./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_test17_3.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 e59f2f76b5af05872fc34d1a817e9a82cf3c6006 ............................................................................................................................. 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_test17_3.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 e59f2f76b5af05872fc34d1a817e9a82cf3c6006 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:08:45,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:08:45,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:08:45,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:08:45,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:08:45,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:08:45,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:08:45,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:08:45,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:08:45,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:08:45,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:08:45,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:08:45,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:08:45,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:08:45,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:08:45,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:08:45,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:08:45,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:08:45,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:08:45,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:08:45,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:08:45,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:08:45,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:08:45,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:08:45,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:08:45,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:08:45,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:08:45,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:08:45,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:08:45,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:08:45,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:08:45,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:08:45,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:08:45,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:08:45,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:08:45,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:08:45,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:08:45,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:08:45,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:08:45,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:08:45,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:08:45,229 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:08:45,260 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:08:45,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:08:45,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:08:45,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:08:45,262 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:08:45,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:08:45,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:08:45,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:08:45,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:08:45,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:08:45,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:08:45,264 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:08:45,265 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:08:45,265 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:08:45,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:08:45,266 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:08:45,266 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:08:45,266 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:08:45,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:08:45,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:08:45,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:08:45,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:08:45,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:08:45,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:08:45,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:08:45,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:08:45,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:08:45,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:08:45,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> e59f2f76b5af05872fc34d1a817e9a82cf3c6006 [2020-10-19 18:08:45,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:08:45,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:08:45,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:08:45,640 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:08:45,641 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:08:45,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2020-10-19 18:08:45,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f88cbe5/f03e95014b214088aa7d3ecdb5c36dfa/FLAGceca5ef28 [2020-10-19 18:08:46,246 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:08:46,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2020-10-19 18:08:46,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f88cbe5/f03e95014b214088aa7d3ecdb5c36dfa/FLAGceca5ef28 [2020-10-19 18:08:46,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f88cbe5/f03e95014b214088aa7d3ecdb5c36dfa [2020-10-19 18:08:46,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:08:46,588 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:08:46,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:46,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:08:46,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:08:46,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:46" (1/1) ... [2020-10-19 18:08:46,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a14673a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:46, skipping insertion in model container [2020-10-19 18:08:46,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:46" (1/1) ... [2020-10-19 18:08:46,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:08:46,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:08:47,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:47,156 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) [2020-10-19 18:08:47,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@184ed8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:47, skipping insertion in model container [2020-10-19 18:08:47,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:47,157 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:08:47,160 INFO L168 Benchmark]: Toolchain (without parser) took 576.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:47,161 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:47,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:47,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 568.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 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 0.1.25-906a4fb [2020-10-19 18:08:49,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:08:49,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:08:49,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:08:49,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:08:49,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:08:49,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:08:49,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:08:49,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:08:49,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:08:49,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:08:49,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:08:49,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:08:49,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:08:49,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:08:49,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:08:49,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:08:49,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:08:49,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:08:49,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:08:49,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:08:49,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:08:49,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:08:49,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:08:49,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:08:49,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:08:49,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:08:49,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:08:49,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:08:49,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:08:49,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:08:49,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:08:49,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:08:49,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:08:49,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:08:49,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:08:49,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:08:49,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:08:49,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:08:49,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:08:49,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:08:49,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:08:49,182 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:08:49,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:08:49,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:08:49,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:08:49,185 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:08:49,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:08:49,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:08:49,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:08:49,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:08:49,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:08:49,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:08:49,187 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:08:49,187 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:08:49,188 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:08:49,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:08:49,188 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:08:49,189 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:08:49,189 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:08:49,189 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:08:49,189 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:08:49,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:08:49,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:08:49,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:08:49,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:08:49,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:08:49,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:08:49,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:08:49,191 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:08:49,191 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:08:49,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:08:49,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:08:49,192 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> e59f2f76b5af05872fc34d1a817e9a82cf3c6006 [2020-10-19 18:08:49,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:08:49,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:08:49,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:08:49,522 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:08:49,523 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:08:49,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2020-10-19 18:08:49,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7b49355/10d41b472b5a458a8256b9f83672c443/FLAGaa808a347 [2020-10-19 18:08:50,145 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:08:50,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2020-10-19 18:08:50,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7b49355/10d41b472b5a458a8256b9f83672c443/FLAGaa808a347 [2020-10-19 18:08:50,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7b49355/10d41b472b5a458a8256b9f83672c443 [2020-10-19 18:08:50,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:08:50,355 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:08:50,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:50,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:08:50,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:08:50,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:50" (1/1) ... [2020-10-19 18:08:50,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc6536f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:50, skipping insertion in model container [2020-10-19 18:08:50,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:08:50" (1/1) ... [2020-10-19 18:08:50,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:08:50,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:08:50,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:50,951 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:08:50,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:08:51,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:51,050 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:08:51,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:08:51,190 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:08:51,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:51 WrapperNode [2020-10-19 18:08:51,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:08:51,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:08:51,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:08:51,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:08:51,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:51" (1/1) ... [2020-10-19 18:08:51,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:51" (1/1) ... [2020-10-19 18:08:51,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:51" (1/1) ... [2020-10-19 18:08:51,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:51" (1/1) ... [2020-10-19 18:08:51,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:51" (1/1) ... [2020-10-19 18:08:51,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:51" (1/1) ... [2020-10-19 18:08:51,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:51" (1/1) ... [2020-10-19 18:08:51,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:08:51,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:08:51,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:08:51,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:08:51,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:08:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:08:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:08:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:08:51,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:08:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:08:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:08:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:08:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:08:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:08:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:08:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:08:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:08:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:08:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:08:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:08:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:08:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:08:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:08:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:08:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:08:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:08:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:08:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:08:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:08:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:08:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:08:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:08:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:08:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:08:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:08:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:08:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:08:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:08:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:08:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:08:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:08:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:08:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:08:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:08:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:08:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:08:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:08:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2020-10-19 18:08:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:08:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:08:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:08:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:08:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:08:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:08:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:08:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:08:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:08:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:08:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:08:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:08:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:08:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:08:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:08:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:08:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:08:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:08:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:08:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:08:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:08:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:08:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:08:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:08:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:08:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:08:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:08:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:08:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:08:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:08:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:08:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:08:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:08:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:08:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:08:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:08:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:08:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:08:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:08:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:08:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:08:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:08:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:08:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:08:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:08:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:08:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:08:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:08:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:08:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:08:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:08:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:08:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:08:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:08:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:08:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:08:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:08:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:08:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:08:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:08:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:08:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:08:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:08:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:08:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:08:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:08:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:08:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:08:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:08:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:08:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:08:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:08:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:08:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:08:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:08:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:08:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:08:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:08:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:08:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:08:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:08:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:08:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:08:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:08:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:08:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:08:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:08:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:08:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:08:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:08:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:08:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:08:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:08:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:08:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:08:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:08:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:08:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:08:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:08:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:08:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:08:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:08:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:08:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:08:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:08:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:08:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:08:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:08:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:08:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:08:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:08:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:08:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:08:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:08:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:08:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:08:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:08:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:08:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:08:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:08:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:08:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:08:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:08:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:08:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:08:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:08:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:08:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:08:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:08:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:08:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:08:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:08:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:08:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:08:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:08:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:08:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:08:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:08:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:08:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:08:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:08:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:08:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:08:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:08:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:08:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:08:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:08:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:08:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:08:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:08:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:08:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2020-10-19 18:08:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:08:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:08:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:08:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:08:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:08:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:08:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:08:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:08:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:08:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:08:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:08:51,980 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:08:52,330 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:08:52,741 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:08:52,741 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-19 18:08:52,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:08:52 BoogieIcfgContainer [2020-10-19 18:08:52,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:08:52,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:08:52,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:08:52,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:08:52,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:08:50" (1/3) ... [2020-10-19 18:08:52,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a12079b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:08:52, skipping insertion in model container [2020-10-19 18:08:52,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:08:51" (2/3) ... [2020-10-19 18:08:52,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a12079b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:08:52, skipping insertion in model container [2020-10-19 18:08:52,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:08:52" (3/3) ... [2020-10-19 18:08:52,752 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test17_3.i [2020-10-19 18:08:52,764 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:08:52,772 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 85 error locations. [2020-10-19 18:08:52,787 INFO L253 AbstractCegarLoop]: Starting to check reachability of 85 error locations. [2020-10-19 18:08:52,809 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:08:52,809 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:08:52,809 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:08:52,809 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:08:52,809 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:08:52,810 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:08:52,810 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:08:52,810 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:08:52,830 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-10-19 18:08:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-19 18:08:52,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:08:52,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:08:52,845 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:08:52,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:08:52,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1287330039, now seen corresponding path program 1 times [2020-10-19 18:08:52,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:08:52,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962229603] [2020-10-19 18:08:52,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-19 18:08:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:53,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 18:08:53,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:53,166 INFO L384 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 [2020-10-19 18:08:53,166 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:08:53,182 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:08:53,182 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:08:53,182 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:08:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:53,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:08:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:53,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962229603] [2020-10-19 18:08:53,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:08:53,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-19 18:08:53,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088888043] [2020-10-19 18:08:53,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 18:08:53,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:08:53,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 18:08:53,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:08:53,336 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 5 states. [2020-10-19 18:08:53,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:08:53,552 INFO L93 Difference]: Finished difference Result 72 states and 82 transitions. [2020-10-19 18:08:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 18:08:53,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-19 18:08:53,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:08:53,567 INFO L225 Difference]: With dead ends: 72 [2020-10-19 18:08:53,567 INFO L226 Difference]: Without dead ends: 69 [2020-10-19 18:08:53,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 18:08:53,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-19 18:08:53,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2020-10-19 18:08:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-19 18:08:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2020-10-19 18:08:53,620 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 16 [2020-10-19 18:08:53,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:08:53,621 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2020-10-19 18:08:53,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 18:08:53,622 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2020-10-19 18:08:53,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-19 18:08:53,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:08:53,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:08:53,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:08:53,838 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-19 18:08:53,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:08:53,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1287330040, now seen corresponding path program 1 times [2020-10-19 18:08:53,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:08:53,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853703456] [2020-10-19 18:08:53,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-19 18:08:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:53,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-19 18:08:53,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:54,006 INFO L384 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 [2020-10-19 18:08:54,006 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:08:54,014 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:08:54,014 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:08:54,014 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-19 18:08:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:54,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:08:54,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853703456] [2020-10-19 18:08:54,763 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:08:54,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [606427052] [2020-10-19 18:08:54,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-19 18:08:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:55,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-19 18:08:55,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:55,119 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:08:55,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463994863] [2020-10-19 18:08:55,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:08:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:08:55,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-19 18:08:55,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:08:55,250 INFO L384 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 [2020-10-19 18:08:55,251 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:08:55,257 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:08:55,258 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:08:55,258 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-19 18:08:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:08:55,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:08:55,478 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-19 18:08:55,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:08:55,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-19 18:08:55,478 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-19 18:08:55,478 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-19 18:08:56,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk,3 mathsat -unsat_core_generation=3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 18:08:56,100 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-19 18:08:56,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:08:56 BoogieIcfgContainer [2020-10-19 18:08:56,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:08:56,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:08:56,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:08:56,102 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:08:56,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:08:52" (3/4) ... [2020-10-19 18:08:56,106 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:08:56,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:08:56,108 INFO L168 Benchmark]: Toolchain (without parser) took 5757.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.8 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:56,109 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:56,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:56,110 INFO L168 Benchmark]: Boogie Preprocessor took 112.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:56,111 INFO L168 Benchmark]: RCFGBuilder took 1439.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.6 MB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:08:56,112 INFO L168 Benchmark]: TraceAbstraction took 3355.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.5 MB). Free memory was 964.6 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:56,112 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:08:56,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 835.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1439.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.6 MB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3355.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.5 MB). Free memory was 964.6 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.77 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 783]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L790] CALL entry_point() [L778] int i; [L779] int len = 10; [L780] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L780] RET, EXPR ldv_malloc(sizeof(struct A17*)*len) [L780] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L781] COND TRUE \read(**array) [L782] i=0 [L782] COND TRUE i