./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-2.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_test22_1-2.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 11cd0b9da22b48a523bf90b6f5cbc98a0e4e6a8f70a83fae3d817f12f25f212c --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:03:48,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:03:48,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:03:48,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:03:48,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:03:48,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:03:48,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:03:48,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:03:48,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:03:49,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:03:49,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:03:49,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:03:49,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:03:49,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:03:49,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:03:49,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:03:49,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:03:49,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:03:49,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:03:49,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:03:49,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:03:49,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:03:49,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:03:49,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:03:49,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:03:49,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:03:49,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:03:49,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:03:49,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:03:49,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:03:49,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:03:49,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:03:49,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:03:49,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:03:49,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:03:49,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:03:49,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:03:49,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:03:49,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:03:49,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:03:49,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:03:49,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-15 14:03:49,035 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:03:49,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:03:49,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:03:49,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:03:49,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:03:49,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:03:49,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:03:49,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:03:49,038 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:03:49,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:03:49,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:03:49,038 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:03:49,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:03:49,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:03:49,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:03:49,039 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:03:49,039 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:03:49,039 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:03:49,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:03:49,039 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:03:49,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:03:49,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:03:49,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:03:49,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:03:49,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:03:49,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:03:49,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:03:49,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:03:49,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 14:03:49,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 14:03:49,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:03:49,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd0b9da22b48a523bf90b6f5cbc98a0e4e6a8f70a83fae3d817f12f25f212c [2021-12-15 14:03:49,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:03:49,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:03:49,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:03:49,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:03:49,212 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:03:49,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-2.i [2021-12-15 14:03:49,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7a39c4f1/4f142c0a8e8b4c178b83eab94c553741/FLAGf38958c9e [2021-12-15 14:03:49,672 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:03:49,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-2.i [2021-12-15 14:03:49,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7a39c4f1/4f142c0a8e8b4c178b83eab94c553741/FLAGf38958c9e [2021-12-15 14:03:50,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7a39c4f1/4f142c0a8e8b4c178b83eab94c553741 [2021-12-15 14:03:50,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:03:50,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:03:50,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:50,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:03:50,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:03:50,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:50" (1/1) ... [2021-12-15 14:03:50,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c0c120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:50, skipping insertion in model container [2021-12-15 14:03:50,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:50" (1/1) ... [2021-12-15 14:03:50,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:03:50,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:03:50,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:50,426 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 14:03:50,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4677e155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:50, skipping insertion in model container [2021-12-15 14:03:50,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:50,427 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 14:03:50,430 INFO L158 Benchmark]: Toolchain (without parser) took 389.02ms. Allocated memory is still 100.7MB. Free memory was 71.0MB in the beginning and 73.5MB in the end (delta: -2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:03:50,431 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:03:50,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.50ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 73.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:03:50,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.50ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 73.5MB in the end (delta: -2.9MB). 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_test22_1-2.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 11cd0b9da22b48a523bf90b6f5cbc98a0e4e6a8f70a83fae3d817f12f25f212c --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:03:52,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:03:52,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:03:52,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:03:52,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:03:52,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:03:52,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:03:52,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:03:52,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:03:52,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:03:52,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:03:52,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:03:52,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:03:52,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:03:52,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:03:52,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:03:52,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:03:52,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:03:52,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:03:52,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:03:52,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:03:52,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:03:52,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:03:52,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:03:52,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:03:52,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:03:52,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:03:52,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:03:52,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:03:52,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:03:52,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:03:52,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:03:52,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:03:52,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:03:52,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:03:52,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:03:52,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:03:52,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:03:52,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:03:52,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:03:52,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:03:52,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-15 14:03:52,174 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:03:52,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:03:52,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:03:52,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:03:52,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:03:52,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:03:52,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:03:52,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:03:52,178 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:03:52,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:03:52,179 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:03:52,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:03:52,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:03:52,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:03:52,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:03:52,180 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:03:52,180 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:03:52,180 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:03:52,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:03:52,180 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:03:52,180 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 14:03:52,180 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 14:03:52,181 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:03:52,181 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:03:52,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:03:52,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:03:52,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:03:52,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:03:52,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:03:52,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:03:52,182 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 14:03:52,182 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 14:03:52,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:03:52,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 14:03:52,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd0b9da22b48a523bf90b6f5cbc98a0e4e6a8f70a83fae3d817f12f25f212c [2021-12-15 14:03:52,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:03:52,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:03:52,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:03:52,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:03:52,477 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:03:52,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-2.i [2021-12-15 14:03:52,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d1c1834d/be79589166224b95a118e7b3a1818122/FLAG810f0d524 [2021-12-15 14:03:53,043 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:03:53,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test22_1-2.i [2021-12-15 14:03:53,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d1c1834d/be79589166224b95a118e7b3a1818122/FLAG810f0d524 [2021-12-15 14:03:53,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d1c1834d/be79589166224b95a118e7b3a1818122 [2021-12-15 14:03:53,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:03:53,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:03:53,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:53,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:03:53,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:03:53,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:53" (1/1) ... [2021-12-15 14:03:53,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6911d45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:53, skipping insertion in model container [2021-12-15 14:03:53,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:03:53" (1/1) ... [2021-12-15 14:03:53,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:03:53,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:03:53,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:53,952 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 14:03:53,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:03:54,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:54,024 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 14:03:54,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 14:03:54,111 INFO L208 MainTranslator]: Completed translation [2021-12-15 14:03:54,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54 WrapperNode [2021-12-15 14:03:54,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:03:54,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 14:03:54,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 14:03:54,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 14:03:54,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,154 INFO L137 Inliner]: procedures = 165, calls = 69, calls flagged for inlining = 23, calls inlined = 15, statements flattened = 99 [2021-12-15 14:03:54,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 14:03:54,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 14:03:54,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 14:03:54,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 14:03:54,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 14:03:54,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 14:03:54,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 14:03:54,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 14:03:54,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (1/1) ... [2021-12-15 14:03:54,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:03:54,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 14:03:54,228 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 14:03:54,245 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 14:03:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 14:03:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-12-15 14:03:54,265 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-12-15 14:03:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 14:03:54,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 14:03:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 14:03:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 14:03:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 14:03:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 14:03:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 14:03:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 14:03:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 14:03:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 14:03:54,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 14:03:54,360 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 14:03:54,361 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 14:03:54,613 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 14:03:54,617 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 14:03:54,618 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 14:03:54,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:03:54 BoogieIcfgContainer [2021-12-15 14:03:54,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 14:03:54,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 14:03:54,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 14:03:54,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 14:03:54,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 02:03:53" (1/3) ... [2021-12-15 14:03:54,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3bff62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:03:54, skipping insertion in model container [2021-12-15 14:03:54,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:03:54" (2/3) ... [2021-12-15 14:03:54,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3bff62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 02:03:54, skipping insertion in model container [2021-12-15 14:03:54,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:03:54" (3/3) ... [2021-12-15 14:03:54,624 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test22_1-2.i [2021-12-15 14:03:54,627 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 14:03:54,627 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2021-12-15 14:03:54,653 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 14:03:54,657 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 14:03:54,657 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2021-12-15 14:03:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 47 states have (on average 1.6170212765957446) internal successors, (76), 69 states have internal predecessors, (76), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-15 14:03:54,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-15 14:03:54,671 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 14:03:54,671 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 14:03:54,672 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATION (and 18 more)] === [2021-12-15 14:03:54,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 14:03:54,675 INFO L85 PathProgramCache]: Analyzing trace with hash -668549309, now seen corresponding path program 1 times [2021-12-15 14:03:54,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 14:03:54,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275898877] [2021-12-15 14:03:54,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 14:03:54,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 14:03:54,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 14:03:54,686 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 14:03:54,697 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 14:03:54,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 14:03:54,957 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 14:03:54,958 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 14:03:54,964 INFO L158 Benchmark]: Toolchain (without parser) took 1401.51ms. Allocated memory is still 65.0MB. Free memory was 49.0MB in the beginning and 30.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-12-15 14:03:54,964 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 31.3MB in the beginning and 31.3MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:03:54,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.43ms. Allocated memory is still 65.0MB. Free memory was 48.8MB in the beginning and 43.9MB in the end (delta: 4.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-12-15 14:03:54,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.46ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 41.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 14:03:54,966 INFO L158 Benchmark]: Boogie Preprocessor took 40.05ms. Allocated memory is still 65.0MB. Free memory was 41.3MB in the beginning and 39.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 14:03:54,966 INFO L158 Benchmark]: RCFGBuilder took 423.50ms. Allocated memory is still 65.0MB. Free memory was 39.2MB in the beginning and 39.9MB in the end (delta: -791.5kB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-12-15 14:03:54,966 INFO L158 Benchmark]: TraceAbstraction took 342.55ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 30.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 14:03:54,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 31.3MB in the beginning and 31.3MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.43ms. Allocated memory is still 65.0MB. Free memory was 48.8MB in the beginning and 43.9MB in the end (delta: 4.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.46ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 41.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.05ms. Allocated memory is still 65.0MB. Free memory was 41.3MB in the beginning and 39.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.50ms. Allocated memory is still 65.0MB. Free memory was 39.2MB in the beginning and 39.9MB in the end (delta: -791.5kB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 342.55ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 30.4MB in the end (delta: 8.9MB). 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 14:03:55,005 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