./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3a877d22 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_test15-2.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 d2e5061cdab54d9faeb4b87debefa6d4cd511c313e4ad95bcaf137fbc78127a3 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:03:34,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:03:34,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:03:34,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:03:34,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:03:34,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:03:34,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:03:34,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:03:34,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:03:34,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:03:34,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:03:34,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:03:34,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:03:34,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:03:34,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:03:34,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:03:34,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:03:34,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:03:34,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:03:34,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:03:34,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:03:34,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:03:34,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:03:34,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:03:34,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:03:34,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:03:34,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:03:34,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:03:34,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:03:34,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:03:34,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:03:34,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:03:34,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:03:34,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:03:34,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:03:34,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:03:34,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:03:34,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:03:34,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:03:34,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:03:34,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:03:34,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-15 14:03:34,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:03:34,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:03:34,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:03:34,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:03:34,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:03:34,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:03:34,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:03:34,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:03:34,214 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:03:34,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:03:34,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:03:34,215 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:03:34,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:03:34,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:03:34,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:03:34,216 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:03:34,216 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:03:34,216 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:03:34,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:03:34,216 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:03:34,217 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:03:34,217 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:03:34,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:03:34,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:03:34,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:03:34,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:03:34,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:03:34,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:03:34,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 14:03:34,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 14:03:34,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:03:34,218 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2e5061cdab54d9faeb4b87debefa6d4cd511c313e4ad95bcaf137fbc78127a3 [2021-12-15 14:03:34,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:03:34,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:03:34,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:03:34,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:03:34,415 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:03:34,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i [2021-12-15 14:03:34,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964d80715/bc51463d521e47d7bc6666cb42a0da41/FLAG292d4457f [2021-12-15 14:03:34,899 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:03:34,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i [2021-12-15 14:03:34,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964d80715/bc51463d521e47d7bc6666cb42a0da41/FLAG292d4457f [2021-12-15 14:03:34,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964d80715/bc51463d521e47d7bc6666cb42a0da41 [2021-12-15 14:03:34,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:03:34,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:03:34,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:34,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:03:34,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:03:34,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:34" (1/1) ... [2021-12-15 14:03:34,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0aeac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:34, skipping insertion in model container [2021-12-15 14:03:34,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:34" (1/1) ... [2021-12-15 14:03:34,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:03:34,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:03:35,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:35,273 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) [2021-12-15 14:03:35,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e620602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:35, skipping insertion in model container [2021-12-15 14:03:35,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:35,274 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 14:03:35,275 INFO L158 Benchmark]: Toolchain (without parser) took 336.88ms. Allocated memory is still 107.0MB. Free memory was 75.5MB in the beginning and 78.2MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:03:35,275 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:03:35,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.08ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 78.2MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:03:35,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.08ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 78.2MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_test15-2.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 d2e5061cdab54d9faeb4b87debefa6d4cd511c313e4ad95bcaf137fbc78127a3 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:03:36,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:03:36,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:03:36,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:03:36,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:03:36,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:03:36,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:03:36,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:03:36,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:03:36,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:03:36,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:03:36,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:03:36,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:03:36,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:03:36,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:03:36,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:03:36,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:03:36,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:03:36,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:03:36,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:03:36,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:03:36,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:03:36,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:03:36,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:03:36,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:03:36,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:03:36,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:03:36,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:03:36,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:03:36,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:03:36,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:03:36,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:03:36,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:03:36,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:03:36,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:03:36,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:03:36,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:03:36,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:03:36,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:03:36,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:03:36,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:03:36,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-15 14:03:36,885 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:03:36,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:03:36,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:03:36,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:03:36,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:03:36,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:03:36,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:03:36,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:03:36,889 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:03:36,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:03:36,890 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:03:36,890 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:03:36,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:03:36,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:03:36,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:03:36,890 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:03:36,891 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:03:36,891 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:03:36,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:03:36,891 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:03:36,891 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 14:03:36,891 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 14:03:36,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:03:36,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:03:36,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:03:36,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:03:36,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:03:36,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:03:36,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:03:36,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:03:36,893 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 14:03:36,893 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 14:03:36,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:03:36,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 14:03:36,894 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2e5061cdab54d9faeb4b87debefa6d4cd511c313e4ad95bcaf137fbc78127a3 [2021-12-15 14:03:37,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:03:37,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:03:37,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:03:37,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:03:37,183 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:03:37,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i [2021-12-15 14:03:37,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d53a98c/e4fe2cb251ec486a9fa1f97123e2870e/FLAGd21d4b032 [2021-12-15 14:03:37,630 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:03:37,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test15-2.i [2021-12-15 14:03:37,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d53a98c/e4fe2cb251ec486a9fa1f97123e2870e/FLAGd21d4b032 [2021-12-15 14:03:37,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d53a98c/e4fe2cb251ec486a9fa1f97123e2870e [2021-12-15 14:03:37,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:03:37,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:03:37,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:37,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:03:37,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:03:37,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:37" (1/1) ... [2021-12-15 14:03:37,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19da4258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:37, skipping insertion in model container [2021-12-15 14:03:37,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:37" (1/1) ... [2021-12-15 14:03:37,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:03:37,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:03:38,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:38,086 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 14:03:38,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:03:38,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:38,156 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 14:03:38,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:38,230 INFO L208 MainTranslator]: Completed translation [2021-12-15 14:03:38,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38 WrapperNode [2021-12-15 14:03:38,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:38,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 14:03:38,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 14:03:38,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 14:03:38,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (1/1) ... [2021-12-15 14:03:38,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (1/1) ... [2021-12-15 14:03:38,273 INFO L137 Inliner]: procedures = 176, calls = 104, calls flagged for inlining = 31, calls inlined = 14, statements flattened = 171 [2021-12-15 14:03:38,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 14:03:38,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 14:03:38,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 14:03:38,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 14:03:38,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (1/1) ... [2021-12-15 14:03:38,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (1/1) ... [2021-12-15 14:03:38,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (1/1) ... [2021-12-15 14:03:38,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (1/1) ... [2021-12-15 14:03:38,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (1/1) ... [2021-12-15 14:03:38,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (1/1) ... [2021-12-15 14:03:38,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (1/1) ... [2021-12-15 14:03:38,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 14:03:38,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 14:03:38,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 14:03:38,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 14:03:38,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (1/1) ... [2021-12-15 14:03:38,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:03:38,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 14:03:38,338 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) [2021-12-15 14:03:38,340 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 [2021-12-15 14:03:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 14:03:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 14:03:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 14:03:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 14:03:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 14:03:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 14:03:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_hid_set_drvdata [2021-12-15 14:03:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_hid_set_drvdata [2021-12-15 14:03:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 14:03:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 14:03:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 14:03:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 14:03:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 14:03:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 14:03:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 14:03:38,450 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 14:03:38,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 14:03:38,926 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 14:03:38,933 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 14:03:38,933 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 14:03:38,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:03:38 BoogieIcfgContainer [2021-12-15 14:03:38,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 14:03:38,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 14:03:38,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 14:03:38,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 14:03:38,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 02:03:37" (1/3) ... [2021-12-15 14:03:38,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bccb338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:03:38, skipping insertion in model container [2021-12-15 14:03:38,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:38" (2/3) ... [2021-12-15 14:03:38,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bccb338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:03:38, skipping insertion in model container [2021-12-15 14:03:38,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:03:38" (3/3) ... [2021-12-15 14:03:38,941 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test15-2.i [2021-12-15 14:03:38,945 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 14:03:38,946 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2021-12-15 14:03:38,983 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 14:03:38,987 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, mAutomataTypeConcurrency=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 [2021-12-15 14:03:38,988 INFO L340 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2021-12-15 14:03:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 127 states have internal predecessors, (138), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-15 14:03:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 14:03:39,004 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 14:03:39,005 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 14:03:39,006 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_LEAK === [ldv_hid_set_drvdataErr0REQUIRES_VIOLATION, ldv_hid_set_drvdataErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION (and 47 more)] === [2021-12-15 14:03:39,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 14:03:39,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1983254393, now seen corresponding path program 1 times [2021-12-15 14:03:39,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 14:03:39,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345076773] [2021-12-15 14:03:39,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 14:03:39,018 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 14:03:39,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 14:03:39,020 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) [2021-12-15 14:03:39,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 14:03:39,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 14:03:39,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 14:03:39,275 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 14:03:39,279 INFO L158 Benchmark]: Toolchain (without parser) took 1622.70ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 43.1MB in the beginning and 38.8MB in the end (delta: 4.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-12-15 14:03:39,280 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:03:39,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.47ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 42.1MB in the end (delta: 774.1kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 14:03:39,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.22ms. Allocated memory is still 65.0MB. Free memory was 42.1MB in the beginning and 39.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 14:03:39,280 INFO L158 Benchmark]: Boogie Preprocessor took 24.73ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 36.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 14:03:39,281 INFO L158 Benchmark]: RCFGBuilder took 636.68ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 36.8MB in the beginning and 48.4MB in the end (delta: -11.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-12-15 14:03:39,281 INFO L158 Benchmark]: TraceAbstraction took 340.28ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 38.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:03:39,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.47ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 42.1MB in the end (delta: 774.1kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.22ms. Allocated memory is still 65.0MB. Free memory was 42.1MB in the beginning and 39.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.73ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 36.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 636.68ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 36.8MB in the beginning and 48.4MB in the end (delta: -11.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * TraceAbstraction took 340.28ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 38.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 14:03:39,312 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable