./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a31fd051 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_test16_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 13:08:52,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:08:52,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:08:52,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:08:52,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:08:52,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:08:52,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:08:52,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:08:52,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:08:52,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:08:52,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:08:52,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:08:52,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:08:52,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:08:52,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:08:52,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:08:52,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:08:52,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:08:52,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:08:52,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:08:52,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:08:52,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:08:52,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:08:52,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:08:52,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:08:52,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:08:52,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:08:52,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:08:52,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:08:52,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:08:52,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:08:52,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:08:52,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:08:52,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:08:52,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:08:52,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:08:52,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:08:52,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:08:52,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:08:52,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:08:52,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:08:52,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-02-15 13:08:52,619 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:08:52,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:08:52,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:08:52,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:08:52,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:08:52,621 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:08:52,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:08:52,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:08:52,622 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:08:52,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:08:52,623 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 13:08:52,623 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:08:52,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:08:52,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 13:08:52,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:08:52,624 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 13:08:52,624 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 13:08:52,625 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 13:08:52,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:08:52,625 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 13:08:52,625 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 13:08:52,625 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:08:52,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:08:52,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:08:52,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:08:52,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:08:52,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:08:52,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:08:52,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 13:08:52,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 13:08:52,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:08:52,628 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:08:52,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:08:52,628 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:08:52,628 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2023-02-15 13:08:52,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:08:52,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:08:52,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:08:52,930 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:08:52,931 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:08:52,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-02-15 13:08:54,059 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:08:54,327 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:08:54,327 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-02-15 13:08:54,339 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/797861466/922cd17f3a764388b99a0a7358774b8a/FLAG0f96dbf2a [2023-02-15 13:08:54,648 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/797861466/922cd17f3a764388b99a0a7358774b8a [2023-02-15 13:08:54,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:08:54,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:08:54,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:08:54,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:08:54,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:08:54,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:08:54" (1/1) ... [2023-02-15 13:08:54,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72285306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:54, skipping insertion in model container [2023-02-15 13:08:54,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:08:54" (1/1) ... [2023-02-15 13:08:54,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:08:54,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:08:55,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:08:55,061 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-02-15 13:08:55,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6abd41c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:55, skipping insertion in model container [2023-02-15 13:08:55,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:08:55,063 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 13:08:55,065 INFO L158 Benchmark]: Toolchain (without parser) took 412.32ms. Allocated memory is still 132.1MB. Free memory was 99.2MB in the beginning and 85.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-15 13:08:55,065 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:08:55,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.49ms. Allocated memory is still 132.1MB. Free memory was 98.8MB in the beginning and 85.5MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-15 13:08:55,068 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 132.1MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.49ms. Allocated memory is still 132.1MB. Free memory was 98.8MB in the beginning and 85.5MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. 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 of different sizes 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_test16_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 13:08:56,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:08:56,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:08:57,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:08:57,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:08:57,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:08:57,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:08:57,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:08:57,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:08:57,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:08:57,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:08:57,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:08:57,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:08:57,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:08:57,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:08:57,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:08:57,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:08:57,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:08:57,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:08:57,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:08:57,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:08:57,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:08:57,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:08:57,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:08:57,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:08:57,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:08:57,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:08:57,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:08:57,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:08:57,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:08:57,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:08:57,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:08:57,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:08:57,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:08:57,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:08:57,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:08:57,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:08:57,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:08:57,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:08:57,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:08:57,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:08:57,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-02-15 13:08:57,115 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:08:57,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:08:57,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:08:57,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:08:57,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:08:57,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:08:57,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:08:57,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:08:57,118 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:08:57,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:08:57,119 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 13:08:57,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:08:57,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:08:57,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 13:08:57,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:08:57,120 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 13:08:57,121 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 13:08:57,121 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 13:08:57,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:08:57,121 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 13:08:57,121 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-15 13:08:57,121 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-15 13:08:57,122 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 13:08:57,122 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:08:57,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:08:57,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:08:57,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:08:57,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:08:57,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:08:57,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:08:57,123 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-15 13:08:57,123 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-15 13:08:57,124 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:08:57,124 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:08:57,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:08:57,124 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-15 13:08:57,125 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:08:57,125 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e995adc4290f6ed38266d5ac06bc9f3b7fb296b9c0b399f410984e5db4f4543 [2023-02-15 13:08:57,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:08:57,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:08:57,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:08:57,493 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:08:57,494 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:08:57,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-02-15 13:08:58,756 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:08:59,089 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:08:59,090 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2023-02-15 13:08:59,107 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57251c019/01a279c2ab2143eb8fc74b2cc6255349/FLAG06e2df97d [2023-02-15 13:08:59,120 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57251c019/01a279c2ab2143eb8fc74b2cc6255349 [2023-02-15 13:08:59,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:08:59,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:08:59,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:08:59,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:08:59,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:08:59,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d06aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59, skipping insertion in model container [2023-02-15 13:08:59,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:08:59,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:08:59,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:08:59,547 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-02-15 13:08:59,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:08:59,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:08:59,634 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 13:08:59,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 13:08:59,717 INFO L208 MainTranslator]: Completed translation [2023-02-15 13:08:59,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59 WrapperNode [2023-02-15 13:08:59,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:08:59,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 13:08:59,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 13:08:59,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 13:08:59,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,769 INFO L138 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 25 [2023-02-15 13:08:59,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 13:08:59,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 13:08:59,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 13:08:59,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 13:08:59,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,790 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 13:08:59,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 13:08:59,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 13:08:59,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 13:08:59,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (1/1) ... [2023-02-15 13:08:59,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:08:59,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 13:08:59,843 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) [2023-02-15 13:08:59,852 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 [2023-02-15 13:08:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-02-15 13:08:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-02-15 13:08:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-15 13:08:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 13:08:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-15 13:08:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 13:08:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 13:08:59,973 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 13:08:59,974 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 13:09:00,053 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 13:09:00,058 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 13:09:00,058 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-15 13:09:00,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:09:00 BoogieIcfgContainer [2023-02-15 13:09:00,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 13:09:00,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 13:09:00,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 13:09:00,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 13:09:00,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 01:08:59" (1/3) ... [2023-02-15 13:09:00,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329b89da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:09:00, skipping insertion in model container [2023-02-15 13:09:00,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:08:59" (2/3) ... [2023-02-15 13:09:00,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329b89da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:09:00, skipping insertion in model container [2023-02-15 13:09:00,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:09:00" (3/3) ... [2023-02-15 13:09:00,068 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2023-02-15 13:09:00,084 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 13:09:00,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 13:09:00,131 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 13:09:00,150 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12d00b5f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 13:09:00,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 13:09:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-02-15 13:09:00,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-15 13:09:00,175 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:09:00,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-15 13:09:00,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-15 13:09:00,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:09:00,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1067130567, now seen corresponding path program 1 times [2023-02-15 13:09:00,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-15 13:09:00,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217510412] [2023-02-15 13:09:00,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:09:00,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-15 13:09:00,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-15 13:09:00,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-15 13:09:00,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-02-15 13:09:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 13:09:00,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 13:09:00,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 13:09:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 13:09:00,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 13:09:00,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-15 13:09:00,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217510412] [2023-02-15 13:09:00,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217510412] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 13:09:00,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 13:09:00,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 13:09:00,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280140748] [2023-02-15 13:09:00,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 13:09:00,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 13:09:00,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-15 13:09:00,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 13:09:00,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:09:00,438 INFO L87 Difference]: Start difference. First operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:09:00,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 13:09:00,470 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2023-02-15 13:09:00,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 13:09:00,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-15 13:09:00,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 13:09:00,477 INFO L225 Difference]: With dead ends: 18 [2023-02-15 13:09:00,477 INFO L226 Difference]: Without dead ends: 13 [2023-02-15 13:09:00,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 13:09:00,484 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 13:09:00,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 13:09:00,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-15 13:09:00,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-15 13:09:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 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) [2023-02-15 13:09:00,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-02-15 13:09:00,509 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 6 [2023-02-15 13:09:00,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 13:09:00,509 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-02-15 13:09:00,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 13:09:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-02-15 13:09:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-15 13:09:00,510 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 13:09:00,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 13:09:00,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-02-15 13:09:00,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-15 13:09:00,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-02-15 13:09:00,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 13:09:00,713 INFO L85 PathProgramCache]: Analyzing trace with hash -771349331, now seen corresponding path program 1 times [2023-02-15 13:09:00,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-15 13:09:00,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768308055] [2023-02-15 13:09:00,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 13:09:00,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-15 13:09:00,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-15 13:09:00,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-15 13:09:00,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-02-15 13:09:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 13:09:00,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 13:09:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 13:09:00,842 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-15 13:09:00,843 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 13:09:00,844 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2023-02-15 13:09:00,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-02-15 13:09:01,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-15 13:09:01,058 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-02-15 13:09:01,061 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 13:09:01,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 01:09:01 BoogieIcfgContainer [2023-02-15 13:09:01,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 13:09:01,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 13:09:01,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 13:09:01,082 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 13:09:01,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:09:00" (3/4) ... [2023-02-15 13:09:01,086 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 13:09:01,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 13:09:01,091 INFO L158 Benchmark]: Toolchain (without parser) took 1965.60ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 61.0MB in the end (delta: 15.9MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-02-15 13:09:01,092 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 75.5MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:09:01,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.11ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 74.2MB in the end (delta: 2.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-02-15 13:09:01,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.44ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 72.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:09:01,094 INFO L158 Benchmark]: Boogie Preprocessor took 31.87ms. Allocated memory is still 100.7MB. Free memory was 72.2MB in the beginning and 70.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:09:01,096 INFO L158 Benchmark]: RCFGBuilder took 256.84ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 59.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-15 13:09:01,099 INFO L158 Benchmark]: TraceAbstraction took 1019.33ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 61.5MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:09:01,099 INFO L158 Benchmark]: Witness Printer took 7.08ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 61.0MB in the end (delta: 458.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 13:09:01,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 75.5MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.11ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 74.2MB in the end (delta: 2.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.44ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 72.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.87ms. Allocated memory is still 100.7MB. Free memory was 72.2MB in the beginning and 70.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.84ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 59.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1019.33ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 61.5MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.08ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 61.0MB in the end (delta: 458.6kB). Peak memory consumption was 2.1MB. 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: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. 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}] [L772] CALL entry_point() [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) [L761] COND TRUE \read(condition) VAL [\old(condition)=-2147483648, condition=-2147483648, ldv_global_msg_list={1:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=-2147483648, condition=-2147483648, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A16))={2:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=-2147483648, \result={2:0}, condition=-2147483648, ldv_global_msg_list={1:0}, p={2:0}] [L769] RET, EXPR alloc_16(condition) [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 15 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2023-02-15 13:09:01,125 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