./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c3fed411 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_test20-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 21:13:16,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 21:13:16,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 21:13:16,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 21:13:16,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 21:13:16,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 21:13:16,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 21:13:16,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 21:13:16,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 21:13:16,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 21:13:16,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 21:13:16,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 21:13:16,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 21:13:16,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 21:13:16,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 21:13:16,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 21:13:16,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 21:13:16,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 21:13:16,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 21:13:16,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 21:13:16,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 21:13:16,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 21:13:16,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 21:13:16,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 21:13:16,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 21:13:16,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 21:13:16,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 21:13:16,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 21:13:16,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 21:13:16,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 21:13:16,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 21:13:16,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 21:13:16,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 21:13:16,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 21:13:16,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 21:13:16,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 21:13:16,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 21:13:16,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 21:13:16,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 21:13:16,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 21:13:16,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 21:13:16,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-18 21:13:16,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 21:13:16,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 21:13:16,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 21:13:16,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 21:13:16,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 21:13:16,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 21:13:16,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 21:13:16,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 21:13:16,341 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 21:13:16,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 21:13:16,342 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-18 21:13:16,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-18 21:13:16,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 21:13:16,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-18 21:13:16,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 21:13:16,343 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-18 21:13:16,343 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-18 21:13:16,343 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-18 21:13:16,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 21:13:16,344 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 21:13:16,344 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-18 21:13:16,344 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 21:13:16,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 21:13:16,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 21:13:16,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 21:13:16,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:13:16,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 21:13:16,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 21:13:16,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 21:13:16,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 21:13:16,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 21:13:16,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2021-12-18 21:13:16,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 21:13:16,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 21:13:16,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 21:13:16,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 21:13:16,574 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 21:13:16,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-12-18 21:13:16,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0187d1130/69b5f0fe6b7f46b2a297121fa97dba74/FLAG61e4b01c4 [2021-12-18 21:13:17,095 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 21:13:17,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-12-18 21:13:17,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0187d1130/69b5f0fe6b7f46b2a297121fa97dba74/FLAG61e4b01c4 [2021-12-18 21:13:17,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0187d1130/69b5f0fe6b7f46b2a297121fa97dba74 [2021-12-18 21:13:17,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 21:13:17,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 21:13:17,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 21:13:17,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 21:13:17,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 21:13:17,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:13:17" (1/1) ... [2021-12-18 21:13:17,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac2a623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:17, skipping insertion in model container [2021-12-18 21:13:17,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:13:17" (1/1) ... [2021-12-18 21:13:17,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 21:13:17,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:13:17,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:13:17,734 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) [2021-12-18 21:13:17,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4eee92e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:17, skipping insertion in model container [2021-12-18 21:13:17,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 21:13:17,735 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-18 21:13:17,737 INFO L158 Benchmark]: Toolchain (without parser) took 347.32ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 56.2MB in the beginning and 93.9MB in the end (delta: -37.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-18 21:13:17,738 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 38.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:13:17,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.14ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 56.0MB in the beginning and 93.9MB in the end (delta: -37.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 21:13:17,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 38.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.14ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 56.0MB in the beginning and 93.9MB in the end (delta: -37.8MB). 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=/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_test20-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 21:13:19,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 21:13:19,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 21:13:19,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 21:13:19,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 21:13:19,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 21:13:19,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 21:13:19,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 21:13:19,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 21:13:19,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 21:13:19,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 21:13:19,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 21:13:19,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 21:13:19,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 21:13:19,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 21:13:19,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 21:13:19,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 21:13:19,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 21:13:19,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 21:13:19,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 21:13:19,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 21:13:19,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 21:13:19,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 21:13:19,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 21:13:19,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 21:13:19,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 21:13:19,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 21:13:19,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 21:13:19,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 21:13:19,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 21:13:19,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 21:13:19,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 21:13:19,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 21:13:19,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 21:13:19,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 21:13:19,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 21:13:19,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 21:13:19,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 21:13:19,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 21:13:19,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 21:13:19,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 21:13:19,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-18 21:13:19,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 21:13:19,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 21:13:19,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 21:13:19,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 21:13:19,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 21:13:19,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 21:13:19,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 21:13:19,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 21:13:19,668 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 21:13:19,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 21:13:19,669 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-18 21:13:19,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-18 21:13:19,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 21:13:19,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-18 21:13:19,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 21:13:19,670 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-18 21:13:19,670 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-18 21:13:19,670 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-18 21:13:19,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 21:13:19,671 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 21:13:19,671 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 21:13:19,671 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 21:13:19,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-18 21:13:19,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 21:13:19,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 21:13:19,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 21:13:19,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 21:13:19,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:13:19,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 21:13:19,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 21:13:19,673 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 21:13:19,673 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 21:13:19,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 21:13:19,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 21:13:19,674 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2021-12-18 21:13:19,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 21:13:19,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 21:13:20,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 21:13:20,002 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 21:13:20,003 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 21:13:20,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-12-18 21:13:20,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7961c36/ad8bf5c682c04a77996b6cbc6bee1d2d/FLAG92cecd1b9 [2021-12-18 21:13:20,562 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 21:13:20,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-12-18 21:13:20,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7961c36/ad8bf5c682c04a77996b6cbc6bee1d2d/FLAG92cecd1b9 [2021-12-18 21:13:21,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7961c36/ad8bf5c682c04a77996b6cbc6bee1d2d [2021-12-18 21:13:21,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 21:13:21,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 21:13:21,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 21:13:21,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 21:13:21,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 21:13:21,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6380a699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21, skipping insertion in model container [2021-12-18 21:13:21,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 21:13:21,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:13:21,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:13:21,489 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 21:13:21,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 21:13:21,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:13:21,570 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 21:13:21,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 21:13:21,664 INFO L208 MainTranslator]: Completed translation [2021-12-18 21:13:21,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21 WrapperNode [2021-12-18 21:13:21,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 21:13:21,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 21:13:21,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 21:13:21,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 21:13:21,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,709 INFO L137 Inliner]: procedures = 169, calls = 70, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 21 [2021-12-18 21:13:21,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 21:13:21,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 21:13:21,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 21:13:21,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 21:13:21,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 21:13:21,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 21:13:21,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 21:13:21,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 21:13:21,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (1/1) ... [2021-12-18 21:13:21,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 21:13:21,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 21:13:21,764 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) [2021-12-18 21:13:21,775 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 [2021-12-18 21:13:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 21:13:21,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 21:13:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 21:13:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 21:13:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 21:13:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 21:13:21,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 21:13:21,885 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 21:13:21,886 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 21:13:22,002 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 21:13:22,007 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 21:13:22,023 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 21:13:22,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:13:22 BoogieIcfgContainer [2021-12-18 21:13:22,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 21:13:22,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 21:13:22,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 21:13:22,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 21:13:22,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:13:21" (1/3) ... [2021-12-18 21:13:22,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4426de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:13:22, skipping insertion in model container [2021-12-18 21:13:22,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:13:21" (2/3) ... [2021-12-18 21:13:22,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4426de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:13:22, skipping insertion in model container [2021-12-18 21:13:22,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:13:22" (3/3) ... [2021-12-18 21:13:22,032 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2021-12-18 21:13:22,036 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 21:13:22,037 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 21:13:22,106 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 21:13:22,112 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 [2021-12-18 21:13:22,112 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 21:13:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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) [2021-12-18 21:13:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-18 21:13:22,156 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 21:13:22,157 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 21:13:22,157 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-18 21:13:22,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 21:13:22,166 INFO L85 PathProgramCache]: Analyzing trace with hash 34762974, now seen corresponding path program 1 times [2021-12-18 21:13:22,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 21:13:22,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496131342] [2021-12-18 21:13:22,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 21:13:22,178 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 21:13:22,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 21:13:22,181 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) [2021-12-18 21:13:22,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 21:13:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 21:13:22,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 21:13:22,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 21:13:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 21:13:22,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 21:13:22,362 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 21:13:22,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496131342] [2021-12-18 21:13:22,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496131342] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 21:13:22,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 21:13:22,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 21:13:22,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620264425] [2021-12-18 21:13:22,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 21:13:22,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 21:13:22,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 21:13:22,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 21:13:22,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 21:13:22,393 INFO L87 Difference]: Start difference. First operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-12-18 21:13:22,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 21:13:22,421 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2021-12-18 21:13:22,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 21:13:22,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 12 [2021-12-18 21:13:22,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 21:13:22,430 INFO L225 Difference]: With dead ends: 27 [2021-12-18 21:13:22,430 INFO L226 Difference]: Without dead ends: 23 [2021-12-18 21:13:22,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 21:13:22,434 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 21:13:22,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 70 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 21:13:22,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-12-18 21:13:22,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2021-12-18 21:13:22,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-18 21:13:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-12-18 21:13:22,463 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 12 [2021-12-18 21:13:22,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 21:13:22,464 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-12-18 21:13:22,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-12-18 21:13:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-12-18 21:13:22,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-18 21:13:22,465 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 21:13:22,465 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 21:13:22,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 21:13:22,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 21:13:22,668 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-18 21:13:22,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 21:13:22,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1777573309, now seen corresponding path program 1 times [2021-12-18 21:13:22,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 21:13:22,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864239619] [2021-12-18 21:13:22,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 21:13:22,670 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 21:13:22,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 21:13:22,671 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 21:13:22,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 21:13:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 21:13:22,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 21:13:22,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 21:13:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 21:13:22,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 21:13:22,778 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 21:13:22,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864239619] [2021-12-18 21:13:22,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864239619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 21:13:22,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 21:13:22,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 21:13:22,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871174311] [2021-12-18 21:13:22,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 21:13:22,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 21:13:22,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 21:13:22,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 21:13:22,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 21:13:22,783 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-12-18 21:13:22,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 21:13:22,807 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2021-12-18 21:13:22,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 21:13:22,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 12 [2021-12-18 21:13:22,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 21:13:22,809 INFO L225 Difference]: With dead ends: 22 [2021-12-18 21:13:22,810 INFO L226 Difference]: Without dead ends: 14 [2021-12-18 21:13:22,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 21:13:22,811 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 21:13:22,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 21:13:22,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-12-18 21:13:22,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-12-18 21:13:22,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 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) [2021-12-18 21:13:22,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2021-12-18 21:13:22,815 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2021-12-18 21:13:22,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 21:13:22,816 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2021-12-18 21:13:22,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-12-18 21:13:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2021-12-18 21:13:22,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-18 21:13:22,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 21:13:22,816 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 21:13:22,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-18 21:13:23,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 21:13:23,017 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-18 21:13:23,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 21:13:23,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1073836985, now seen corresponding path program 1 times [2021-12-18 21:13:23,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 21:13:23,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843146119] [2021-12-18 21:13:23,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 21:13:23,019 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 21:13:23,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 21:13:23,020 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 21:13:23,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-18 21:13:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 21:13:23,069 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 21:13:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 21:13:23,124 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-18 21:13:23,125 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 21:13:23,125 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2021-12-18 21:13:23,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-18 21:13:23,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 21:13:23,339 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-18 21:13:23,341 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 21:13:23,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 09:13:23 BoogieIcfgContainer [2021-12-18 21:13:23,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 21:13:23,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 21:13:23,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 21:13:23,364 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 21:13:23,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:13:22" (3/4) ... [2021-12-18 21:13:23,367 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 21:13:23,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 21:13:23,368 INFO L158 Benchmark]: Toolchain (without parser) took 2327.42ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 43.3MB in the beginning and 63.8MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:13:23,368 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:13:23,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.76ms. Allocated memory is still 65.0MB. Free memory was 43.2MB in the beginning and 29.8MB in the end (delta: 13.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 21:13:23,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.58ms. Allocated memory is still 65.0MB. Free memory was 29.8MB in the beginning and 27.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-18 21:13:23,369 INFO L158 Benchmark]: Boogie Preprocessor took 26.95ms. Allocated memory is still 65.0MB. Free memory was 27.6MB in the beginning and 46.7MB in the end (delta: -19.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-12-18 21:13:23,370 INFO L158 Benchmark]: RCFGBuilder took 287.88ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 36.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 21:13:23,370 INFO L158 Benchmark]: TraceAbstraction took 1336.27ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 36.2MB in the beginning and 64.2MB in the end (delta: -28.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-18 21:13:23,370 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 21:13:23,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.76ms. Allocated memory is still 65.0MB. Free memory was 43.2MB in the beginning and 29.8MB in the end (delta: 13.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.58ms. Allocated memory is still 65.0MB. Free memory was 29.8MB in the beginning and 27.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.95ms. Allocated memory is still 65.0MB. Free memory was 27.6MB in the beginning and 46.7MB in the end (delta: -19.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * RCFGBuilder took 287.88ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 36.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1336.27ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 36.2MB in the beginning and 64.2MB in the end (delta: -28.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. 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: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; VAL [ldv_global_msg_list={1:0}, saved_device_20={0:0}] [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(size)=16, ldv_global_msg_list={1:0}, saved_device_20={0:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A20))={2:0}, saved_device_20={0:0}] [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev VAL [dev={2:4}, dev={2:4}, ldv_global_msg_list={1:0}, saved_device_20={2:4}] [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 VAL [ldv_global_msg_list={1:0}, saved_device_20={0:0}] [L782] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 38 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=1, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 82 ConjunctsInSsa, 8 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 [2021-12-18 21:13:23,401 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: UNKNOWN: Overapproximated counterexample