./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:05:09,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:05:09,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:05:09,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:05:09,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:05:09,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:05:09,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:05:09,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:05:09,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:05:09,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:05:09,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:05:09,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:05:09,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:05:09,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:05:09,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:05:09,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:05:09,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:05:09,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:05:09,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:05:09,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:05:09,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:05:09,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:05:09,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:05:09,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:05:09,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:05:09,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:05:09,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:05:09,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:05:09,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:05:09,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:05:09,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:05:09,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:05:09,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:05:09,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:05:09,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:05:09,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:05:09,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:05:09,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:05:09,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:05:09,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:05:09,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:05:09,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-23 02:05:09,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:05:09,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:05:09,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:05:09,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:05:09,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:05:09,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:05:09,296 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:05:09,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:05:09,296 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:05:09,297 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:05:09,298 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:05:09,299 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:05:09,299 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:05:09,299 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:05:09,300 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:05:09,300 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:05:09,300 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:05:09,301 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:05:09,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:05:09,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:05:09,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:05:09,303 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:05:09,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:05:09,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:05:09,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:05:09,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:05:09,304 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 02:05:09,305 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 02:05:09,305 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 02:05:09,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:05:09,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:05:09,306 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:05:09,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:05:09,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:05:09,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:05:09,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:05:09,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:05:09,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:05:09,308 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:05:09,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:05:09,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:05:09,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:05:09,311 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 [2021-11-23 02:05:09,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:05:09,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:05:09,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:05:09,704 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:05:09,705 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:05:09,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-11-23 02:05:09,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/data/924b4375e/40c8b064bdaa4a729632b93eb6f7bf02/FLAG2199719fd [2021-11-23 02:05:10,349 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:05:10,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-11-23 02:05:10,368 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/data/924b4375e/40c8b064bdaa4a729632b93eb6f7bf02/FLAG2199719fd [2021-11-23 02:05:10,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/data/924b4375e/40c8b064bdaa4a729632b93eb6f7bf02 [2021-11-23 02:05:10,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:05:10,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:05:10,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:05:10,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:05:10,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:05:10,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:10" (1/1) ... [2021-11-23 02:05:10,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696b71b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:10, skipping insertion in model container [2021-11-23 02:05:10,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:10" (1/1) ... [2021-11-23 02:05:10,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:05:10,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:05:11,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:05:11,285 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) [2021-11-23 02:05:11,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ea04adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:11, skipping insertion in model container [2021-11-23 02:05:11,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:05:11,286 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:05:11,291 INFO L158 Benchmark]: Toolchain (without parser) took 651.02ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 70.8MB in the end (delta: -12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:05:11,291 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:05:11,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.34ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 70.9MB in the end (delta: -12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:05:11,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.34ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 70.9MB in the end (delta: -12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:05:13,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:05:13,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:05:13,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:05:13,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:05:13,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:05:13,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:05:13,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:05:13,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:05:13,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:05:13,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:05:13,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:05:13,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:05:13,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:05:13,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:05:13,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:05:13,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:05:13,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:05:13,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:05:13,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:05:13,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:05:13,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:05:13,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:05:13,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:05:13,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:05:13,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:05:13,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:05:13,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:05:13,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:05:13,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:05:13,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:05:13,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:05:13,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:05:13,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:05:13,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:05:13,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:05:13,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:05:13,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:05:13,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:05:13,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:05:13,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:05:13,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-23 02:05:13,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:05:13,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:05:13,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:05:13,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:05:13,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:05:13,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:05:13,913 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:05:13,914 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:05:13,914 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:05:13,914 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:05:13,915 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:05:13,916 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:05:13,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:05:13,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:05:13,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:05:13,918 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:05:13,919 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:05:13,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:05:13,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:05:13,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:05:13,920 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 02:05:13,920 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 02:05:13,920 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 02:05:13,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:05:13,921 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:05:13,921 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:05:13,921 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:05:13,921 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:05:13,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:05:13,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:05:13,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:05:13,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:05:13,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:05:13,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:05:13,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:05:13,924 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:05:13,925 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:05:13,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:05:13,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:05:13,925 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 [2021-11-23 02:05:14,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:05:14,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:05:14,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:05:14,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:05:14,404 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:05:14,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-11-23 02:05:14,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/data/ec9a3ac3d/2548aa9dc29f4c5ca607ddaeee45a50b/FLAG6cdbd0cfa [2021-11-23 02:05:15,164 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:05:15,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-11-23 02:05:15,192 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/data/ec9a3ac3d/2548aa9dc29f4c5ca607ddaeee45a50b/FLAG6cdbd0cfa [2021-11-23 02:05:15,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/data/ec9a3ac3d/2548aa9dc29f4c5ca607ddaeee45a50b [2021-11-23 02:05:15,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:05:15,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:05:15,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:05:15,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:05:15,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:05:15,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:15" (1/1) ... [2021-11-23 02:05:15,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9cd70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:15, skipping insertion in model container [2021-11-23 02:05:15,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:15" (1/1) ... [2021-11-23 02:05:15,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:05:15,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:05:16,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:05:16,047 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 02:05:16,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:05:16,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:05:16,178 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:05:16,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:05:16,304 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:05:16,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16 WrapperNode [2021-11-23 02:05:16,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:05:16,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:05:16,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:05:16,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:05:16,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (1/1) ... [2021-11-23 02:05:16,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (1/1) ... [2021-11-23 02:05:16,373 INFO L137 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 26 [2021-11-23 02:05:16,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:05:16,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:05:16,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:05:16,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:05:16,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (1/1) ... [2021-11-23 02:05:16,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (1/1) ... [2021-11-23 02:05:16,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (1/1) ... [2021-11-23 02:05:16,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (1/1) ... [2021-11-23 02:05:16,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (1/1) ... [2021-11-23 02:05:16,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (1/1) ... [2021-11-23 02:05:16,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (1/1) ... [2021-11-23 02:05:16,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:05:16,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:05:16,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:05:16,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:05:16,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (1/1) ... [2021-11-23 02:05:16,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:05:16,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:05:16,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:05:16,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:05:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:05:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:05:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:05:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:05:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:05:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:05:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:05:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:05:16,706 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:05:16,708 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:05:16,896 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:05:16,903 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:05:16,903 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:05:16,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:16 BoogieIcfgContainer [2021-11-23 02:05:16,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:05:16,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:05:16,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:05:16,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:05:16,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:05:15" (1/3) ... [2021-11-23 02:05:16,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea7c10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:05:16, skipping insertion in model container [2021-11-23 02:05:16,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:16" (2/3) ... [2021-11-23 02:05:16,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea7c10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:05:16, skipping insertion in model container [2021-11-23 02:05:16,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:16" (3/3) ... [2021-11-23 02:05:16,920 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2021-11-23 02:05:16,928 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:05:16,928 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-23 02:05:17,009 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:05:17,019 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 [2021-11-23 02:05:17,020 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-23 02:05:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.4) internal successors, (21), 19 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:05:17,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:05:17,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:05:17,065 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:05:17,066 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-11-23 02:05:17,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:05:17,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1492643359, now seen corresponding path program 1 times [2021-11-23 02:05:17,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:05:17,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426279926] [2021-11-23 02:05:17,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:05:17,091 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:05:17,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:05:17,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:05:17,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 02:05:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:05:17,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 02:05:17,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:05:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:05:17,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:05:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:05:17,509 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:05:17,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426279926] [2021-11-23 02:05:17,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426279926] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:05:17,511 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:05:17,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-23 02:05:17,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435060991] [2021-11-23 02:05:17,514 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:05:17,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:05:17,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:05:17,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:05:17,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:05:17,562 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.4) internal successors, (21), 19 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:05:17,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:05:17,601 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-11-23 02:05:17,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:05:17,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-23 02:05:17,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:05:17,611 INFO L225 Difference]: With dead ends: 16 [2021-11-23 02:05:17,612 INFO L226 Difference]: Without dead ends: 14 [2021-11-23 02:05:17,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:05:17,618 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:05:17,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:05:17,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-23 02:05:17,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-23 02:05:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:05:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-11-23 02:05:17,655 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2021-11-23 02:05:17,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:05:17,656 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-11-23 02:05:17,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:05:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-11-23 02:05:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 02:05:17,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:05:17,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:05:17,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:05:17,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:05:17,871 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-11-23 02:05:17,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:05:17,874 INFO L85 PathProgramCache]: Analyzing trace with hash -88561022, now seen corresponding path program 1 times [2021-11-23 02:05:17,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:05:17,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789660856] [2021-11-23 02:05:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:05:17,878 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:05:17,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:05:17,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:05:17,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 02:05:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:05:17,955 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:05:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:05:18,011 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-23 02:05:18,011 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:05:18,013 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2021-11-23 02:05:18,015 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2021-11-23 02:05:18,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2021-11-23 02:05:18,016 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (0 of 4 remaining) [2021-11-23 02:05:18,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:05:18,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:05:18,229 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 02:05:18,232 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:05:18,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:05:18 BoogieIcfgContainer [2021-11-23 02:05:18,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:05:18,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:05:18,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:05:18,272 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:05:18,272 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:05:16" (3/4) ... [2021-11-23 02:05:18,275 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:05:18,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:05:18,278 INFO L158 Benchmark]: Toolchain (without parser) took 2873.93ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 39.0MB in the beginning and 50.4MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:05:18,279 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:05:18,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 900.14ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 27.7MB in the end (delta: 11.2MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 02:05:18,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.57ms. Allocated memory is still 60.8MB. Free memory was 27.7MB in the beginning and 25.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:05:18,289 INFO L158 Benchmark]: Boogie Preprocessor took 31.23ms. Allocated memory is still 60.8MB. Free memory was 25.5MB in the beginning and 24.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:05:18,292 INFO L158 Benchmark]: RCFGBuilder took 499.01ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 24.2MB in the beginning and 57.3MB in the end (delta: -33.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 02:05:18,294 INFO L158 Benchmark]: TraceAbstraction took 1362.52ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 50.5MB in the end (delta: 6.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 02:05:18,297 INFO L158 Benchmark]: Witness Printer took 6.13ms. Allocated memory is still 81.8MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 108.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:05:18,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 900.14ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 27.7MB in the end (delta: 11.2MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.57ms. Allocated memory is still 60.8MB. Free memory was 27.7MB in the beginning and 25.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.23ms. Allocated memory is still 60.8MB. Free memory was 25.5MB in the beginning and 24.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 499.01ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 24.2MB in the beginning and 57.3MB in the end (delta: -33.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1362.52ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 50.5MB in the end (delta: 6.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 6.13ms. Allocated memory is still 81.8MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 108.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L771] CALL entry_point() [L767] CALL, EXPR f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return 0; VAL [\result={0:0}, ldv_global_msg_list={1:0}, p={2:0}] [L767] RET, EXPR f5() [L767] int *p = f5(); [L768] CALL g5(p) [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={1:0}, p={0:0}, p={0:0}] [L768] RET g5(p) [L771] RET entry_point() - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 6 NumberOfNonLiveVariables, 44 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 02:05:18,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b46c26-e0de-4df3-b32c-37d5f25fe018/bin/utaipan-EQgc7hIp5V/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: UNKNOWN: Overapproximated counterexample