./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash feb75add31ebc5ab880174a59d6376758f323c6b10b547c6921a4d0c74b13daf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:58:20,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:58:20,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:58:20,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:58:20,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:58:20,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:58:20,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:58:20,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:58:20,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:58:20,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:58:20,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:58:20,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:58:20,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:58:20,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:58:20,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:58:20,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:58:20,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:58:20,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:58:20,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:58:20,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:58:20,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:58:20,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:58:20,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:58:20,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:58:20,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:58:20,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:58:20,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:58:20,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:58:20,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:58:20,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:58:20,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:58:20,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:58:20,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:58:20,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:58:20,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:58:20,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:58:21,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:58:21,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:58:21,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:58:21,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:58:21,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:58:21,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 01:58:21,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:58:21,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:58:21,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:58:21,058 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:58:21,058 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:58:21,059 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:58:21,059 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:58:21,059 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:58:21,059 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:58:21,060 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:58:21,061 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:58:21,061 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:58:21,061 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:58:21,062 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:58:21,062 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:58:21,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:58:21,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:58:21,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:58:21,064 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:58:21,064 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:58:21,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:58:21,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:58:21,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:58:21,065 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:58:21,065 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:58:21,065 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:58:21,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:58:21,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:58:21,066 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:58:21,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:58:21,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:58:21,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:58:21,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:58:21,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:58:21,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:58:21,068 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:58:21,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:58:21,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:58:21,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:58:21,069 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feb75add31ebc5ab880174a59d6376758f323c6b10b547c6921a4d0c74b13daf [2021-11-07 01:58:21,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:58:21,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:58:21,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:58:21,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:58:21,366 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:58:21,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-memsafety/memset2.c [2021-11-07 01:58:21,437 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/data/a95148738/4e781d8a6685435eb2868b71341cb4f1/FLAG588875221 [2021-11-07 01:58:21,899 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:58:21,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/sv-benchmarks/c/ldv-memsafety/memset2.c [2021-11-07 01:58:21,922 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/data/a95148738/4e781d8a6685435eb2868b71341cb4f1/FLAG588875221 [2021-11-07 01:58:22,289 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/data/a95148738/4e781d8a6685435eb2868b71341cb4f1 [2021-11-07 01:58:22,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:58:22,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:58:22,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:58:22,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:58:22,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:58:22,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144a72d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22, skipping insertion in model container [2021-11-07 01:58:22,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:58:22,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:58:22,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:58:22,510 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:58:22,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:58:22,535 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:58:22,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22 WrapperNode [2021-11-07 01:58:22,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:58:22,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:58:22,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:58:22,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:58:22,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:58:22,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:58:22,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:58:22,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:58:22,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:58:22,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:58:22,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:58:22,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:58:22,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (1/1) ... [2021-11-07 01:58:22,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:58:22,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:58:22,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:58:22,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:58:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:58:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:58:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:58:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:58:22,894 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:58:22,894 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 01:58:22,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:58:22 BoogieIcfgContainer [2021-11-07 01:58:22,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:58:22,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:58:22,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:58:22,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:58:22,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:58:22" (1/3) ... [2021-11-07 01:58:22,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153b9b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:58:22, skipping insertion in model container [2021-11-07 01:58:22,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:22" (2/3) ... [2021-11-07 01:58:22,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153b9b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:58:22, skipping insertion in model container [2021-11-07 01:58:22,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:58:22" (3/3) ... [2021-11-07 01:58:22,920 INFO L111 eAbstractionObserver]: Analyzing ICFG memset2.c [2021-11-07 01:58:22,925 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:58:22,928 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:58:23,007 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:58:23,030 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:58:23,031 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:58:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 5 states have (on average 1.8) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-11-07 01:58:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-07 01:58:23,052 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:23,053 INFO L513 BasicCegarLoop]: trace histogram [1, 1] [2021-11-07 01:58:23,054 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-07 01:58:23,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:23,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1553, now seen corresponding path program 1 times [2021-11-07 01:58:23,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:58:23,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59890662] [2021-11-07 01:58:23,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:23,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:58:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:23,209 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:58:23,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59890662] [2021-11-07 01:58:23,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59890662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:23,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:23,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 01:58:23,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465495444] [2021-11-07 01:58:23,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:58:23,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:58:23,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:58:23,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:58:23,235 INFO L87 Difference]: Start difference. First operand has 9 states, 5 states have (on average 1.8) internal successors, (9), 8 states have internal predecessors, (9), 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) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-11-07 01:58:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:23,261 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2021-11-07 01:58:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:58:23,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2021-11-07 01:58:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:23,270 INFO L225 Difference]: With dead ends: 8 [2021-11-07 01:58:23,270 INFO L226 Difference]: Without dead ends: 7 [2021-11-07 01:58:23,272 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:58:23,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-11-07 01:58:23,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-11-07 01:58:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-11-07 01:58:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-11-07 01:58:23,301 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 2 [2021-11-07 01:58:23,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:23,301 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-11-07 01:58:23,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-11-07 01:58:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-11-07 01:58:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:58:23,302 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:23,302 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:58:23,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:58:23,303 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-07 01:58:23,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:23,304 INFO L85 PathProgramCache]: Analyzing trace with hash 48179, now seen corresponding path program 1 times [2021-11-07 01:58:23,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:58:23,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308161287] [2021-11-07 01:58:23,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:23,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:58:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:23,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:58:23,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308161287] [2021-11-07 01:58:23,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308161287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:23,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:23,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 01:58:23,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906951805] [2021-11-07 01:58:23,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:58:23,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:58:23,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:58:23,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:58:23,363 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-07 01:58:23,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:23,372 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2021-11-07 01:58:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:58:23,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-07 01:58:23,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:23,374 INFO L225 Difference]: With dead ends: 6 [2021-11-07 01:58:23,374 INFO L226 Difference]: Without dead ends: 6 [2021-11-07 01:58:23,375 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:58:23,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2021-11-07 01:58:23,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-11-07 01:58:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2021-11-07 01:58:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-11-07 01:58:23,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 3 [2021-11-07 01:58:23,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:23,378 INFO L470 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-11-07 01:58:23,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-07 01:58:23,378 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2021-11-07 01:58:23,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-07 01:58:23,379 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:23,379 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-07 01:58:23,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:58:23,380 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-07 01:58:23,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash 46301616, now seen corresponding path program 1 times [2021-11-07 01:58:23,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:58:23,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162959163] [2021-11-07 01:58:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:23,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:58:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:23,566 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:58:23,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162959163] [2021-11-07 01:58:23,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162959163] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:23,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:23,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:58:23,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272193388] [2021-11-07 01:58:23,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:58:23,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:58:23,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:58:23,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:58:23,580 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-07 01:58:23,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:23,601 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-11-07 01:58:23,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:58:23,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2021-11-07 01:58:23,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:23,603 INFO L225 Difference]: With dead ends: 7 [2021-11-07 01:58:23,603 INFO L226 Difference]: Without dead ends: 7 [2021-11-07 01:58:23,604 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:58:23,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-11-07 01:58:23,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-11-07 01:58:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-11-07 01:58:23,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-11-07 01:58:23,606 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2021-11-07 01:58:23,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:23,607 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-11-07 01:58:23,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-07 01:58:23,607 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-11-07 01:58:23,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:58:23,609 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:23,609 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:58:23,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 01:58:23,610 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-07 01:58:23,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:23,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1435340626, now seen corresponding path program 1 times [2021-11-07 01:58:23,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:58:23,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340963590] [2021-11-07 01:58:23,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:23,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:58:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:23,760 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:58:23,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340963590] [2021-11-07 01:58:23,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340963590] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:58:23,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049493680] [2021-11-07 01:58:23,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:23,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:58:23,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:58:23,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:58:23,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:58:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:23,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:58:23,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:23,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 01:58:24,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:58:24,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:58:24,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049493680] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:24,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:58:24,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [4] total 8 [2021-11-07 01:58:24,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943125943] [2021-11-07 01:58:24,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:58:24,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:58:24,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:58:24,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:58:24,120 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-11-07 01:58:24,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:24,134 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2021-11-07 01:58:24,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:58:24,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 [2021-11-07 01:58:24,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:24,137 INFO L225 Difference]: With dead ends: 6 [2021-11-07 01:58:24,137 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:58:24,138 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:58:24,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:58:24,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:58:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-07 01:58:24,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:58:24,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-11-07 01:58:24,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:24,139 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:58:24,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-11-07 01:58:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:58:24,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:58:24,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-11-07 01:58:24,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-11-07 01:58:24,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK [2021-11-07 01:58:24,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:24,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:58:24,372 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-07 01:58:24,374 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:58:24,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:58:24 BoogieIcfgContainer [2021-11-07 01:58:24,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:58:24,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:58:24,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:58:24,376 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:58:24,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:58:22" (3/4) ... [2021-11-07 01:58:24,379 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:58:24,392 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-07 01:58:24,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 01:58:24,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 01:58:24,418 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:58:24,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:58:24,420 INFO L168 Benchmark]: Toolchain (without parser) took 2123.61 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.8 MB in the beginning and 45.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:24,421 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 60.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:58:24,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.98 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.6 MB in the beginning and 73.7 MB in the end (delta: -29.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:24,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.64 ms. Allocated memory is still 96.5 MB. Free memory was 73.7 MB in the beginning and 72.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:58:24,423 INFO L168 Benchmark]: Boogie Preprocessor took 20.61 ms. Allocated memory is still 96.5 MB. Free memory was 72.4 MB in the beginning and 71.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:24,424 INFO L168 Benchmark]: RCFGBuilder took 300.21 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 61.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:24,424 INFO L168 Benchmark]: TraceAbstraction took 1476.49 ms. Allocated memory is still 96.5 MB. Free memory was 61.1 MB in the beginning and 47.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:24,425 INFO L168 Benchmark]: Witness Printer took 42.64 ms. Allocated memory is still 96.5 MB. Free memory was 47.8 MB in the beginning and 45.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:24,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 60.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 221.98 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.6 MB in the beginning and 73.7 MB in the end (delta: -29.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.64 ms. Allocated memory is still 96.5 MB. Free memory was 73.7 MB in the beginning and 72.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.61 ms. Allocated memory is still 96.5 MB. Free memory was 72.4 MB in the beginning and 71.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 300.21 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 61.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1476.49 ms. Allocated memory is still 96.5 MB. Free memory was 61.1 MB in the beginning and 47.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Witness Printer took 42.64 ms. Allocated memory is still 96.5 MB. Free memory was 47.8 MB in the beginning and 45.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 25 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 1 QuantifiedInterpolants, 212 SizeOfPredicates, 1 NumberOfNonLiveVariables, 44 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 2/3 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-07 01:58:24,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec34a2d-b717-48b1-93ff-823d78fafc6a/bin/utaipan-UUZaoUuFF8/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: TRUE