./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 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test11_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-dev-20ed64e [2021-08-27 06:04:24,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:04:24,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:04:24,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:04:24,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:04:24,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:04:24,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:04:24,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:04:24,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:04:24,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:04:24,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:04:24,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:04:24,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:04:24,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:04:24,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:04:24,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:04:24,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:04:24,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:04:24,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:04:24,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:04:24,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:04:24,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:04:24,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:04:24,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:04:24,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:04:24,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:04:24,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:04:24,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:04:24,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:04:24,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:04:24,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:04:24,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:04:24,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:04:24,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:04:24,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:04:24,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:04:24,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:04:24,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:04:24,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:04:24,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:04:24,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:04:24,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 06:04:24,623 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:04:24,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:04:24,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:04:24,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:04:24,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:04:24,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:04:24,627 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:04:24,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:04:24,627 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:04:24,628 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:04:24,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:04:24,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:04:24,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:04:24,629 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:04:24,629 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:04:24,630 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:04:24,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:04:24,630 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:04:24,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:04:24,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:04:24,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:04:24,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:04:24,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:04:24,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:04:24,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:04:24,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:04:24,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 06:04:24,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 06:04:24,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:04:24,633 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58cec473cb766e48ec31cf93ef2517d91aaecb5 [2021-08-27 06:04:24,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:04:24,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:04:25,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:04:25,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:04:25,001 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:04:25,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-08-27 06:04:25,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff061c9d/17298e08823449ec8b1da9183259cc8c/FLAGa29a38092 [2021-08-27 06:04:25,575 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:04:25,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-08-27 06:04:25,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff061c9d/17298e08823449ec8b1da9183259cc8c/FLAGa29a38092 [2021-08-27 06:04:26,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff061c9d/17298e08823449ec8b1da9183259cc8c [2021-08-27 06:04:26,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:04:26,040 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:04:26,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:04:26,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:04:26,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:04:26,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:04:26" (1/1) ... [2021-08-27 06:04:26,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542ba36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:26, skipping insertion in model container [2021-08-27 06:04:26,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:04:26" (1/1) ... [2021-08-27 06:04:26,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:04:26,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:04:26,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:04:26,451 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-08-27 06:04:26,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42ac07b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:26, skipping insertion in model container [2021-08-27 06:04:26,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:04:26,453 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 06:04:26,455 INFO L168 Benchmark]: Toolchain (without parser) took 413.34 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.9 MB in the beginning and 42.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:04:26,455 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:04:26,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.58 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 42.8 MB in the end (delta: -15.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:04:26,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 409.58 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 27.8 MB in the beginning and 42.8 MB in the end (delta: -15.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:04:28,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:04:28,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:04:28,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:04:28,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:04:28,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:04:28,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:04:28,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:04:28,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:04:28,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:04:28,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:04:28,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:04:28,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:04:28,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:04:28,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:04:28,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:04:28,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:04:28,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:04:28,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:04:28,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:04:28,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:04:28,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:04:28,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:04:28,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:04:28,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:04:28,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:04:28,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:04:28,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:04:28,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:04:28,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:04:28,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:04:28,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:04:28,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:04:28,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:04:28,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:04:28,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:04:28,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:04:28,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:04:28,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:04:28,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:04:28,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:04:28,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 06:04:28,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:04:28,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:04:28,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:04:28,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:04:28,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:04:28,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:04:28,206 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:04:28,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:04:28,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:04:28,207 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:04:28,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:04:28,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:04:28,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:04:28,208 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:04:28,208 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:04:28,208 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:04:28,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:04:28,209 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:04:28,209 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 06:04:28,209 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 06:04:28,209 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:04:28,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:04:28,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:04:28,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:04:28,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:04:28,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:04:28,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:04:28,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:04:28,211 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 06:04:28,211 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 06:04:28,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:04:28,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 06:04:28,212 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58cec473cb766e48ec31cf93ef2517d91aaecb5 [2021-08-27 06:04:28,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:04:28,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:04:28,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:04:28,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:04:28,564 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:04:28,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-08-27 06:04:28,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1567492d/d94c72d2d2034a3f92f0b01bb6a30c2e/FLAG34b2128fd [2021-08-27 06:04:29,192 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:04:29,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test11_1.i [2021-08-27 06:04:29,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1567492d/d94c72d2d2034a3f92f0b01bb6a30c2e/FLAG34b2128fd [2021-08-27 06:04:29,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1567492d/d94c72d2d2034a3f92f0b01bb6a30c2e [2021-08-27 06:04:29,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:04:29,480 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:04:29,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:04:29,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:04:29,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:04:29,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:04:29" (1/1) ... [2021-08-27 06:04:29,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d07fa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:29, skipping insertion in model container [2021-08-27 06:04:29,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:04:29" (1/1) ... [2021-08-27 06:04:29,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:04:29,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:04:29,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:04:29,919 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 06:04:29,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:04:29,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:04:29,979 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 06:04:30,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:04:30,057 INFO L208 MainTranslator]: Completed translation [2021-08-27 06:04:30,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:30 WrapperNode [2021-08-27 06:04:30,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:04:30,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 06:04:30,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 06:04:30,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 06:04:30,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:30" (1/1) ... [2021-08-27 06:04:30,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:30" (1/1) ... [2021-08-27 06:04:30,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:30" (1/1) ... [2021-08-27 06:04:30,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:30" (1/1) ... [2021-08-27 06:04:30,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:30" (1/1) ... [2021-08-27 06:04:30,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:30" (1/1) ... [2021-08-27 06:04:30,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:30" (1/1) ... [2021-08-27 06:04:30,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 06:04:30,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 06:04:30,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 06:04:30,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 06:04:30,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:30" (1/1) ... [2021-08-27 06:04:30,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:04:30,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:04:30,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-27 06:04:30,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-27 06:04:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 06:04:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 06:04:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:04:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:04:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 06:04:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 06:04:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-27 06:04:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-27 06:04:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-27 06:04:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-27 06:04:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-27 06:04:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-27 06:04:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-27 06:04:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:04:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-27 06:04:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-27 06:04:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-27 06:04:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-27 06:04:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-27 06:04:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-27 06:04:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-27 06:04:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-27 06:04:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-27 06:04:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-27 06:04:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-27 06:04:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-27 06:04:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-27 06:04:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-27 06:04:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-27 06:04:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-27 06:04:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-27 06:04:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-27 06:04:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-27 06:04:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-27 06:04:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-27 06:04:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-27 06:04:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-27 06:04:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-27 06:04:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-27 06:04:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-27 06:04:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-27 06:04:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-27 06:04:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-08-27 06:04:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-08-27 06:04:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_2_11 [2021-08-27 06:04:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-08-27 06:04:30,237 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-27 06:04:30,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 06:04:30,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-27 06:04:30,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-27 06:04:30,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-27 06:04:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 06:04:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 06:04:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 06:04:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 06:04:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 06:04:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 06:04:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 06:04:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 06:04:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 06:04:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 06:04:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 06:04:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 06:04:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 06:04:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 06:04:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 06:04:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 06:04:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 06:04:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 06:04:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-27 06:04:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-27 06:04:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-27 06:04:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 06:04:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 06:04:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 06:04:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 06:04:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 06:04:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 06:04:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 06:04:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 06:04:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 06:04:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 06:04:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 06:04:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 06:04:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 06:04:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 06:04:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 06:04:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 06:04:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 06:04:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 06:04:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 06:04:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 06:04:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 06:04:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 06:04:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 06:04:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 06:04:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 06:04:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 06:04:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 06:04:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 06:04:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 06:04:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 06:04:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 06:04:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 06:04:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 06:04:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 06:04:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 06:04:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 06:04:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 06:04:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 06:04:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 06:04:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 06:04:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 06:04:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 06:04:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 06:04:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 06:04:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 06:04:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 06:04:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 06:04:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 06:04:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 06:04:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 06:04:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 06:04:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 06:04:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 06:04:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 06:04:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 06:04:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 06:04:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 06:04:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 06:04:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 06:04:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 06:04:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 06:04:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 06:04:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 06:04:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 06:04:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 06:04:30,262 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 06:04:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 06:04:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 06:04:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 06:04:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 06:04:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 06:04:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 06:04:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 06:04:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 06:04:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 06:04:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 06:04:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 06:04:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 06:04:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 06:04:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 06:04:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 06:04:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 06:04:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 06:04:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 06:04:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 06:04:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 06:04:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-27 06:04:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 06:04:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-27 06:04:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-27 06:04:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 06:04:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 06:04:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-27 06:04:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 06:04:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-27 06:04:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-27 06:04:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:04:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 06:04:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-27 06:04:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-27 06:04:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-27 06:04:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 06:04:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-27 06:04:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-27 06:04:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-27 06:04:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-27 06:04:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-27 06:04:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-27 06:04:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 06:04:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-27 06:04:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-27 06:04:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-27 06:04:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-27 06:04:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-27 06:04:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 06:04:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 06:04:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-27 06:04:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-27 06:04:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:04:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-27 06:04:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-27 06:04:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-27 06:04:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-27 06:04:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-27 06:04:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-27 06:04:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-27 06:04:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-27 06:04:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-27 06:04:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-27 06:04:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-27 06:04:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-27 06:04:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-27 06:04:30,271 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-27 06:04:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-08-27 06:04:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-08-27 06:04:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_2_11 [2021-08-27 06:04:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-08-27 06:04:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-27 06:04:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 06:04:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 06:04:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 06:04:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-27 06:04:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 06:04:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:04:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-27 06:04:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-27 06:04:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-27 06:04:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-27 06:04:30,900 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:04:31,221 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:04:31,581 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 06:04:31,582 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 06:04:31,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:04:31 BoogieIcfgContainer [2021-08-27 06:04:31,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 06:04:31,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 06:04:31,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 06:04:31,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 06:04:31,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:04:29" (1/3) ... [2021-08-27 06:04:31,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c888f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:04:31, skipping insertion in model container [2021-08-27 06:04:31,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:04:30" (2/3) ... [2021-08-27 06:04:31,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c888f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:04:31, skipping insertion in model container [2021-08-27 06:04:31,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:04:31" (3/3) ... [2021-08-27 06:04:31,594 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11_1.i [2021-08-27 06:04:31,599 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 06:04:31,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 96 error locations. [2021-08-27 06:04:31,644 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 06:04:31,650 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-27 06:04:31,650 INFO L340 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2021-08-27 06:04:31,669 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) [2021-08-27 06:04:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-27 06:04:31,690 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:04:31,691 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:04:31,691 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)] === [2021-08-27 06:04:31,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:04:31,696 INFO L82 PathProgramCache]: Analyzing trace with hash 2088463859, now seen corresponding path program 1 times [2021-08-27 06:04:31,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:04:31,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916381794] [2021-08-27 06:04:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:04:31,708 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:04:31,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:04:31,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:04:31,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 06:04:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:04:31,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 06:04:31,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:04:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:04:32,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:04:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:04:32,228 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:04:32,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916381794] [2021-08-27 06:04:32,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1916381794] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:04:32,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:04:32,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-08-27 06:04:32,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785365445] [2021-08-27 06:04:32,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 06:04:32,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:04:32,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 06:04:32,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:04:32,247 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) [2021-08-27 06:04:32,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:04:32,323 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2021-08-27 06:04:32,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:04:32,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2021-08-27 06:04:32,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:04:32,333 INFO L225 Difference]: With dead ends: 151 [2021-08-27 06:04:32,333 INFO L226 Difference]: Without dead ends: 148 [2021-08-27 06:04:32,334 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.3ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:04:32,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-08-27 06:04:32,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2021-08-27 06:04:32,368 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) [2021-08-27 06:04:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 126 transitions. [2021-08-27 06:04:32,371 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 126 transitions. Word has length 16 [2021-08-27 06:04:32,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:04:32,372 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 126 transitions. [2021-08-27 06:04:32,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:04:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2021-08-27 06:04:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-27 06:04:32,373 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:04:32,373 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:04:32,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 06:04:32,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:04:32,583 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)] === [2021-08-27 06:04:32,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:04:32,585 INFO L82 PathProgramCache]: Analyzing trace with hash -463693102, now seen corresponding path program 1 times [2021-08-27 06:04:32,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:04:32,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875992829] [2021-08-27 06:04:32,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:04:32,588 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:04:32,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:04:32,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:04:32,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 06:04:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:04:32,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 06:04:32,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:04:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:04:32,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:04:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:04:33,017 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:04:33,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875992829] [2021-08-27 06:04:33,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875992829] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:04:33,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:04:33,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 06:04:33,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559267174] [2021-08-27 06:04:33,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 06:04:33,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:04:33,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 06:04:33,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:04:33,020 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) [2021-08-27 06:04:33,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:04:33,214 INFO L93 Difference]: Finished difference Result 168 states and 192 transitions. [2021-08-27 06:04:33,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 06:04:33,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-08-27 06:04:33,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:04:33,217 INFO L225 Difference]: With dead ends: 168 [2021-08-27 06:04:33,217 INFO L226 Difference]: Without dead ends: 165 [2021-08-27 06:04:33,217 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:04:33,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-08-27 06:04:33,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 110. [2021-08-27 06:04:33,226 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) [2021-08-27 06:04:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2021-08-27 06:04:33,228 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 16 [2021-08-27 06:04:33,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:04:33,228 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2021-08-27 06:04:33,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:04:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2021-08-27 06:04:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-27 06:04:33,229 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:04:33,229 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:04:33,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-27 06:04:33,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:04:33,439 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)] === [2021-08-27 06:04:33,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:04:33,439 INFO L82 PathProgramCache]: Analyzing trace with hash -914027467, now seen corresponding path program 1 times [2021-08-27 06:04:33,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:04:33,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973385484] [2021-08-27 06:04:33,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:04:33,440 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:04:33,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:04:33,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:04:33,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-27 06:04:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:04:33,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 06:04:33,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:04:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:04:33,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:04:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:04:33,798 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:04:33,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973385484] [2021-08-27 06:04:33,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973385484] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:04:33,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:04:33,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-08-27 06:04:33,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480046696] [2021-08-27 06:04:33,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 06:04:33,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:04:33,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 06:04:33,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:04:33,800 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) [2021-08-27 06:04:33,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:04:33,875 INFO L93 Difference]: Finished difference Result 145 states and 162 transitions. [2021-08-27 06:04:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:04:33,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-08-27 06:04:33,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:04:33,877 INFO L225 Difference]: With dead ends: 145 [2021-08-27 06:04:33,877 INFO L226 Difference]: Without dead ends: 145 [2021-08-27 06:04:33,877 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.9ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:04:33,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-08-27 06:04:33,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 114. [2021-08-27 06:04:33,894 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) [2021-08-27 06:04:33,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 125 transitions. [2021-08-27 06:04:33,896 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 125 transitions. Word has length 21 [2021-08-27 06:04:33,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:04:33,897 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 125 transitions. [2021-08-27 06:04:33,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:04:33,897 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 125 transitions. [2021-08-27 06:04:33,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-27 06:04:33,898 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:04:33,898 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:04:33,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-27 06:04:34,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:04:34,108 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)] === [2021-08-27 06:04:34,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:04:34,109 INFO L82 PathProgramCache]: Analyzing trace with hash -914027434, now seen corresponding path program 1 times [2021-08-27 06:04:34,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:04:34,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445418058] [2021-08-27 06:04:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:04:34,110 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:04:34,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:04:34,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:04:34,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-27 06:04:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:04:34,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 06:04:34,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:04:34,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-27 06:04:34,496 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-08-27 06:04:34,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-08-27 06:04:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:04:34,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:04:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:04:34,779 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:04:34,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445418058] [2021-08-27 06:04:34,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445418058] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:04:34,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:04:34,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-08-27 06:04:34,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495147782] [2021-08-27 06:04:34,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 06:04:34,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:04:34,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 06:04:34,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-27 06:04:34,784 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) [2021-08-27 06:04:35,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:04:35,795 INFO L93 Difference]: Finished difference Result 227 states and 264 transitions. [2021-08-27 06:04:35,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 06:04:35,796 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2021-08-27 06:04:35,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:04:35,799 INFO L225 Difference]: With dead ends: 227 [2021-08-27 06:04:35,799 INFO L226 Difference]: Without dead ends: 227 [2021-08-27 06:04:35,799 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 186.9ms TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-08-27 06:04:35,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-08-27 06:04:35,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 129. [2021-08-27 06:04:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 100 states have internal predecessors, (112), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (19), 17 states have call predecessors, (19), 14 states have call successors, (19) [2021-08-27 06:04:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2021-08-27 06:04:35,816 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 21 [2021-08-27 06:04:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:04:35,816 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2021-08-27 06:04:35,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-08-27 06:04:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2021-08-27 06:04:35,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-27 06:04:35,818 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:04:35,818 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:04:35,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-27 06:04:36,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:04:36,028 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)] === [2021-08-27 06:04:36,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:04:36,028 INFO L82 PathProgramCache]: Analyzing trace with hash -914027433, now seen corresponding path program 1 times [2021-08-27 06:04:36,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:04:36,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049954420] [2021-08-27 06:04:36,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:04:36,029 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:04:36,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:04:36,030 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:04:36,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-27 06:04:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:04:36,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 06:04:36,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:04:36,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-27 06:04:36,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-27 06:04:38,559 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-08-27 06:04:38,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2021-08-27 06:04:38,572 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 06:04:38,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2021-08-27 06:04:38,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:04:38,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:04:44,688 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 [2021-08-27 06:04:47,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2021-08-27 06:04:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-08-27 06:04:47,925 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:04:47,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049954420] [2021-08-27 06:04:47,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049954420] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:04:47,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:04:47,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-08-27 06:04:47,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496376491] [2021-08-27 06:04:47,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-27 06:04:47,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:04:47,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-27 06:04:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=4, NotChecked=26, Total=240 [2021-08-27 06:04:47,927 INFO L87 Difference]: Start difference. First operand 129 states and 146 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 06:05:30,973 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv4 32) c_entry_point_~c11~0.offset))) (and (bvule c_entry_point_~c11~0.offset .cse0) (forall ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (or (and (bvule c_entry_point_~c11~0.offset (bvadd (_ bv4 32) c_entry_point_~c11~0.offset)) (forall ((v_ldv_malloc_~size_31 (_ BitVec 32))) (bvule (bvadd (_ bv4 32) c_entry_point_~c11~0.offset) (select (store |c_#length| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) c_entry_point_~c11~0.base)))) (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_35|)))))))) (= |c_old(#valid)| |c_#valid|) (= |c_#length| |c_old(#length)|) (bvule .cse0 (select |c_#length| c_entry_point_~c11~0.base)))) is different from false [2021-08-27 06:07:05,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:07:05,803 INFO L93 Difference]: Finished difference Result 327 states and 379 transitions. [2021-08-27 06:07:05,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-27 06:07:05,804 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 21 [2021-08-27 06:07:05,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:07:05,807 INFO L225 Difference]: With dead ends: 327 [2021-08-27 06:07:05,807 INFO L226 Difference]: Without dead ends: 327 [2021-08-27 06:07:05,807 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 53075.0ms TimeCoverageRelationStatistics Valid=118, Invalid=576, Unknown=16, NotChecked=102, Total=812 [2021-08-27 06:07:05,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-08-27 06:07:05,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 166. [2021-08-27 06:07:05,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 100 states have (on average 1.58) internal successors, (158), 129 states have internal predecessors, (158), 22 states have call successors, (22), 12 states have call predecessors, (22), 14 states have return successors, (33), 24 states have call predecessors, (33), 21 states have call successors, (33) [2021-08-27 06:07:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 213 transitions. [2021-08-27 06:07:05,818 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 213 transitions. Word has length 21 [2021-08-27 06:07:05,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:07:05,818 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 213 transitions. [2021-08-27 06:07:05,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-08-27 06:07:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 213 transitions. [2021-08-27 06:07:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-27 06:07:05,820 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:07:05,820 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:07:05,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-27 06:07:06,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:07:06,021 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)] === [2021-08-27 06:07:06,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:07:06,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1207430441, now seen corresponding path program 1 times [2021-08-27 06:07:06,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:07:06,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193032716] [2021-08-27 06:07:06,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:07:06,022 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:07:06,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:07:06,025 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:07:06,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-27 06:07:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:07:06,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 06:07:06,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:07:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:07:06,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:07:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:06,477 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:07:06,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193032716] [2021-08-27 06:07:06,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193032716] provided 1 perfect and 1 imperfect interpolant sequences [2021-08-27 06:07:06,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-27 06:07:06,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-08-27 06:07:06,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121050573] [2021-08-27 06:07:06,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-27 06:07:06,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:07:06,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 06:07:06,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:07:06,481 INFO L87 Difference]: Start difference. First operand 166 states and 213 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:07:06,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:07:06,519 INFO L93 Difference]: Finished difference Result 147 states and 179 transitions. [2021-08-27 06:07:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 06:07:06,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2021-08-27 06:07:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:07:06,521 INFO L225 Difference]: With dead ends: 147 [2021-08-27 06:07:06,521 INFO L226 Difference]: Without dead ends: 143 [2021-08-27 06:07:06,522 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.9ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 06:07:06,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-08-27 06:07:06,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2021-08-27 06:07:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 85 states have (on average 1.5647058823529412) internal successors, (133), 111 states have internal predecessors, (133), 18 states have call successors, (18), 11 states have call predecessors, (18), 12 states have return successors, (24), 20 states have call predecessors, (24), 17 states have call successors, (24) [2021-08-27 06:07:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 175 transitions. [2021-08-27 06:07:06,528 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 175 transitions. Word has length 21 [2021-08-27 06:07:06,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:07:06,529 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 175 transitions. [2021-08-27 06:07:06,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:07:06,529 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2021-08-27 06:07:06,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-27 06:07:06,530 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:07:06,530 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:07:06,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-27 06:07:06,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:07:06,742 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)] === [2021-08-27 06:07:06,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:07:06,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1677543537, now seen corresponding path program 1 times [2021-08-27 06:07:06,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:07:06,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178390287] [2021-08-27 06:07:06,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:07:06,743 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:07:06,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:07:06,744 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:07:06,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-08-27 06:07:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:07:06,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 06:07:06,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:07:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:07:07,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:07:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:07,457 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:07:07,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178390287] [2021-08-27 06:07:07,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178390287] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 06:07:07,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 06:07:07,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-08-27 06:07:07,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114318291] [2021-08-27 06:07:07,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 06:07:07,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:07:07,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 06:07:07,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-08-27 06:07:07,459 INFO L87 Difference]: Start difference. First operand 143 states and 175 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-27 06:07:07,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:07:07,842 INFO L93 Difference]: Finished difference Result 142 states and 173 transitions. [2021-08-27 06:07:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 06:07:07,842 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 22 [2021-08-27 06:07:07,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:07:07,843 INFO L225 Difference]: With dead ends: 142 [2021-08-27 06:07:07,843 INFO L226 Difference]: Without dead ends: 142 [2021-08-27 06:07:07,844 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 172.7ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-08-27 06:07:07,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-08-27 06:07:07,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-08-27 06:07:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 85 states have (on average 1.5411764705882354) internal successors, (131), 110 states have internal predecessors, (131), 18 states have call successors, (18), 11 states have call predecessors, (18), 12 states have return successors, (24), 20 states have call predecessors, (24), 17 states have call successors, (24) [2021-08-27 06:07:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 173 transitions. [2021-08-27 06:07:07,849 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 173 transitions. Word has length 22 [2021-08-27 06:07:07,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:07:07,849 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 173 transitions. [2021-08-27 06:07:07,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-08-27 06:07:07,849 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 173 transitions. [2021-08-27 06:07:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-27 06:07:07,850 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:07:07,850 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:07:07,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-08-27 06:07:08,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:07:08,051 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)] === [2021-08-27 06:07:08,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:07:08,051 INFO L82 PathProgramCache]: Analyzing trace with hash -426625510, now seen corresponding path program 1 times [2021-08-27 06:07:08,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:07:08,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089408762] [2021-08-27 06:07:08,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:07:08,052 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:07:08,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:07:08,053 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 06:07:08,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-08-27 06:07:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:07:08,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-27 06:07:08,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:07:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:08,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:07:14,756 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:07:14,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089408762] [2021-08-27 06:07:14,757 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:07:14,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1429564396] [2021-08-27 06:07:14,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:07:14,758 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-27 06:07:14,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-27 06:07:14,759 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-27 06:07:14,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-08-27 06:07:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:07:15,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 06:07:15,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:07:15,146 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-08-27 06:07:15,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-08-27 06:07:19,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:19,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:07:23,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:07:23,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868863433] [2021-08-27 06:07:23,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:07:23,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 06:07:23,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:07:23,720 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 06:07:23,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-27 06:07:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:07:24,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-27 06:07:24,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:07:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-27 06:07:24,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:07:28,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 06:07:28,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:07:28,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-08-27 06:07:28,378 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-08-27 06:07:28,378 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-08-27 06:07:28,382 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 06:07:28,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-08-27 06:07:28,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-08-27 06:07:28,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,385 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-08-27 06:07:28,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-08-27 06:07:28,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-08-27 06:07:28,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-08-27 06:07:28,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-08-27 06:07:28,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-08-27 06:07:28,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-08-27 06:07:28,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-08-27 06:07:28,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:07:28,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:07:28,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-08-27 06:07:28,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-08-27 06:07:28,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-08-27 06:07:28,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-08-27 06:07:28,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-08-27 06:07:28,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-08-27 06:07:28,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,391 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,391 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,391 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,391 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,391 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-08-27 06:07:28,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-08-27 06:07:28,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-08-27 06:07:28,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-08-27 06:07:28,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,395 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:07:28,395 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:07:28,395 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err0REQUIRES_VIOLATION [2021-08-27 06:07:28,395 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err1REQUIRES_VIOLATION [2021-08-27 06:07:28,395 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err2REQUIRES_VIOLATION [2021-08-27 06:07:28,395 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err3REQUIRES_VIOLATION [2021-08-27 06:07:28,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err4REQUIRES_VIOLATION [2021-08-27 06:07:28,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err5REQUIRES_VIOLATION [2021-08-27 06:07:28,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_2_11Err8ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-08-27 06:07:28,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-08-27 06:07:28,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-08-27 06:07:28,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-08-27 06:07:28,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:07:28,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-27 06:07:28,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-08-27 06:07:28,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2021-08-27 06:07:29,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2021-08-27 06:07:29,022 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 06:07:29,025 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-27 06:07:29,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 06:07:29 BoogieIcfgContainer [2021-08-27 06:07:29,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 06:07:29,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 06:07:29,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 06:07:29,033 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 06:07:29,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:04:31" (3/4) ... [2021-08-27 06:07:29,035 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 06:07:29,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 06:07:29,036 INFO L168 Benchmark]: Toolchain (without parser) took 179556.61 ms. Allocated memory was 67.1 MB in the beginning and 176.2 MB in the end (delta: 109.1 MB). Free memory was 45.5 MB in the beginning and 75.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 77.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:07:29,037 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 67.1 MB. Free memory was 47.8 MB in the beginning and 47.8 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:07:29,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.07 ms. Allocated memory is still 67.1 MB. Free memory was 45.3 MB in the beginning and 31.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:07:29,037 INFO L168 Benchmark]: Boogie Preprocessor took 83.10 ms. Allocated memory is still 67.1 MB. Free memory was 31.0 MB in the beginning and 45.7 MB in the end (delta: -14.8 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-08-27 06:07:29,038 INFO L168 Benchmark]: RCFGBuilder took 1441.85 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 45.7 MB in the beginning and 49.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2021-08-27 06:07:29,038 INFO L168 Benchmark]: TraceAbstraction took 177443.41 ms. Allocated memory was 83.9 MB in the beginning and 176.2 MB in the end (delta: 92.3 MB). Free memory was 48.6 MB in the beginning and 75.5 MB in the end (delta: -26.9 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:07:29,038 INFO L168 Benchmark]: Witness Printer took 3.53 ms. Allocated memory is still 176.2 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:07:29,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 67.1 MB. Free memory was 47.8 MB in the beginning and 47.8 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 577.07 ms. Allocated memory is still 67.1 MB. Free memory was 45.3 MB in the beginning and 31.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.10 ms. Allocated memory is still 67.1 MB. Free memory was 31.0 MB in the beginning and 45.7 MB in the end (delta: -14.8 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1441.85 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 45.7 MB in the beginning and 49.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 177443.41 ms. Allocated memory was 83.9 MB in the beginning and 176.2 MB in the end (delta: 92.3 MB). Free memory was 48.6 MB in the beginning and 75.5 MB in the end (delta: -26.9 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.53 ms. Allocated memory is still 176.2 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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: 177377.8ms, OverallIterations: 8, TraceHistogramMax: 2, EmptinessCheckTime: 30.1ms, AutomataDifference: 139700.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 897 SDtfs, 1076 SDslu, 2497 SDs, 0 SdLazy, 2012 SolverSat, 323 SolverUnsat, 44 SolverUnknown, 0 SolverNotchecked, 93719.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 291 GetRequests, 227 SyntacticMatches, 6 SemanticMatches, 58 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 53501.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=0, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 94.3ms AutomataMinimizationTime, 7 MinimizatonAttempts, 379 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 87.8ms SsaConstructionTime, 139.4ms SatisfiabilityAnalysisTime, 13469.5ms InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 262 ConstructedInterpolants, 21 QuantifiedInterpolants, 1277 SizeOfPredicates, 7 NumberOfNonLiveVariables, 617 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 24/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-27 06:07:29,118 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...