./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU --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 b5a281f9631a62a08c6928334ef6ea60eabb7bbadcb2bd7487e60124ebe01585 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:34:12,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:34:12,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:34:12,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:34:12,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:34:12,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:34:12,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:34:12,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:34:12,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:34:12,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:34:12,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:34:12,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:34:12,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:34:12,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:34:12,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:34:12,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:34:12,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:34:12,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:34:12,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:34:12,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:34:12,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:34:12,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:34:12,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:34:12,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:34:12,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:34:12,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:34:12,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:34:12,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:34:12,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:34:12,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:34:12,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:34:12,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:34:12,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:34:12,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:34:12,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:34:12,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:34:12,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:34:12,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:34:12,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:34:12,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:34:12,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:34:12,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-02 22:34:12,959 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:34:12,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:34:12,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:34:12,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:34:12,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:34:12,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:34:12,973 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:34:12,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:34:12,974 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:34:12,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:34:12,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:34:12,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:34:12,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:34:12,977 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-02 22:34:12,977 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-02 22:34:12,978 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-02 22:34:12,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:34:12,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-02 22:34:12,978 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:34:12,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:34:12,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:34:12,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:34:12,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:34:12,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:34:12,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:34:12,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:34:12,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:34:12,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:34:12,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:34:12,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5a281f9631a62a08c6928334ef6ea60eabb7bbadcb2bd7487e60124ebe01585 [2021-11-02 22:34:13,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:34:13,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:34:13,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:34:13,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:34:13,396 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:34:13,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2021-11-02 22:34:13,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/data/269429b1c/aa035eff92564d0e8a7b7551effb2433/FLAGb995f3aa6 [2021-11-02 22:34:14,099 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:34:14,101 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/sv-benchmarks/c/ldv-memsafety/StructInitialization1.c [2021-11-02 22:34:14,115 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/data/269429b1c/aa035eff92564d0e8a7b7551effb2433/FLAGb995f3aa6 [2021-11-02 22:34:14,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/data/269429b1c/aa035eff92564d0e8a7b7551effb2433 [2021-11-02 22:34:14,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:34:14,415 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-02 22:34:14,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:34:14,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:34:14,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:34:14,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:34:14" (1/1) ... [2021-11-02 22:34:14,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f68683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14, skipping insertion in model container [2021-11-02 22:34:14,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:34:14" (1/1) ... [2021-11-02 22:34:14,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:34:14,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:34:14,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:34:14,689 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:34:14,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:34:14,786 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:34:14,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14 WrapperNode [2021-11-02 22:34:14,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:34:14,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:34:14,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:34:14,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:34:14,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14" (1/1) ... [2021-11-02 22:34:14,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14" (1/1) ... [2021-11-02 22:34:14,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14" (1/1) ... [2021-11-02 22:34:14,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14" (1/1) ... [2021-11-02 22:34:14,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14" (1/1) ... [2021-11-02 22:34:14,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14" (1/1) ... [2021-11-02 22:34:14,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14" (1/1) ... [2021-11-02 22:34:14,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:34:14,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:34:14,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:34:14,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:34:14,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14" (1/1) ... [2021-11-02 22:34:14,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:34:14,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:34:14,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:34:14,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:34:14,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-02 22:34:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:34:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-02 22:34:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:34:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-02 22:34:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:34:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:34:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-02 22:34:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:34:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 22:34:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:34:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:34:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:34:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:34:16,141 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:34:16,141 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-02 22:34:16,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:34:16 BoogieIcfgContainer [2021-11-02 22:34:16,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:34:16,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:34:16,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:34:16,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:34:16,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:34:14" (1/3) ... [2021-11-02 22:34:16,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410fff05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:34:16, skipping insertion in model container [2021-11-02 22:34:16,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:34:14" (2/3) ... [2021-11-02 22:34:16,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410fff05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:34:16, skipping insertion in model container [2021-11-02 22:34:16,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:34:16" (3/3) ... [2021-11-02 22:34:16,157 INFO L111 eAbstractionObserver]: Analyzing ICFG StructInitialization1.c [2021-11-02 22:34:16,169 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:34:16,169 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2021-11-02 22:34:16,247 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:34:16,255 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 [2021-11-02 22:34:16,255 INFO L340 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2021-11-02 22:34:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 73 states have (on average 2.1095890410958904) internal successors, (154), 154 states have internal predecessors, (154), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-02 22:34:16,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-02 22:34:16,289 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:34:16,289 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:34:16,290 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 76 more)] === [2021-11-02 22:34:16,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:34:16,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1058869513, now seen corresponding path program 1 times [2021-11-02 22:34:16,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:34:16,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565730604] [2021-11-02 22:34:16,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:34:16,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:34:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:34:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-02 22:34:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:34:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:34:17,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:34:17,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565730604] [2021-11-02 22:34:17,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565730604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:34:17,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:34:17,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:34:17,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361409044] [2021-11-02 22:34:17,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:34:17,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:34:17,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:34:17,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:34:17,240 INFO L87 Difference]: Start difference. First operand has 159 states, 73 states have (on average 2.1095890410958904) internal successors, (154), 154 states have internal predecessors, (154), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 22:34:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:34:18,161 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2021-11-02 22:34:18,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:34:18,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2021-11-02 22:34:18,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:34:18,175 INFO L225 Difference]: With dead ends: 118 [2021-11-02 22:34:18,175 INFO L226 Difference]: Without dead ends: 113 [2021-11-02 22:34:18,177 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:34:18,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-02 22:34:18,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-11-02 22:34:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 109 states have internal predecessors, (109), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 22:34:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2021-11-02 22:34:18,232 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 6 [2021-11-02 22:34:18,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:34:18,233 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2021-11-02 22:34:18,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 22:34:18,233 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2021-11-02 22:34:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-02 22:34:18,234 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:34:18,234 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:34:18,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:34:18,235 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION (and 76 more)] === [2021-11-02 22:34:18,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:34:18,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1058869514, now seen corresponding path program 1 times [2021-11-02 22:34:18,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:34:18,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769262587] [2021-11-02 22:34:18,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:34:18,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:34:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:34:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-02 22:34:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:34:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:34:18,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:34:18,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769262587] [2021-11-02 22:34:18,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769262587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:34:18,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:34:18,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:34:18,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883372736] [2021-11-02 22:34:18,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:34:18,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:34:18,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:34:18,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:34:18,678 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 22:34:19,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:34:19,295 INFO L93 Difference]: Finished difference Result 73 states and 72 transitions. [2021-11-02 22:34:19,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:34:19,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2021-11-02 22:34:19,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:34:19,297 INFO L225 Difference]: With dead ends: 73 [2021-11-02 22:34:19,297 INFO L226 Difference]: Without dead ends: 0 [2021-11-02 22:34:19,298 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:34:19,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-02 22:34:19,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-02 22:34:19,299 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) [2021-11-02 22:34:19,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 22:34:19,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-11-02 22:34:19,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:34:19,300 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:34:19,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 22:34:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:34:19,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-02 22:34:19,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0REQUIRES_VIOLATION [2021-11-02 22:34:19,304 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr1REQUIRES_VIOLATION [2021-11-02 22:34:19,304 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr2REQUIRES_VIOLATION [2021-11-02 22:34:19,305 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr3REQUIRES_VIOLATION [2021-11-02 22:34:19,305 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr4REQUIRES_VIOLATION [2021-11-02 22:34:19,305 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr5REQUIRES_VIOLATION [2021-11-02 22:34:19,306 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr6REQUIRES_VIOLATION [2021-11-02 22:34:19,306 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr7REQUIRES_VIOLATION [2021-11-02 22:34:19,306 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr8REQUIRES_VIOLATION [2021-11-02 22:34:19,306 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr9REQUIRES_VIOLATION [2021-11-02 22:34:19,307 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr10REQUIRES_VIOLATION [2021-11-02 22:34:19,307 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr11REQUIRES_VIOLATION [2021-11-02 22:34:19,307 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr12REQUIRES_VIOLATION [2021-11-02 22:34:19,308 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr13REQUIRES_VIOLATION [2021-11-02 22:34:19,320 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr14REQUIRES_VIOLATION [2021-11-02 22:34:19,321 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr15REQUIRES_VIOLATION [2021-11-02 22:34:19,322 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr16REQUIRES_VIOLATION [2021-11-02 22:34:19,322 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr17REQUIRES_VIOLATION [2021-11-02 22:34:19,323 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr18REQUIRES_VIOLATION [2021-11-02 22:34:19,323 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr19REQUIRES_VIOLATION [2021-11-02 22:34:19,331 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr20REQUIRES_VIOLATION [2021-11-02 22:34:19,332 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr21REQUIRES_VIOLATION [2021-11-02 22:34:19,332 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr22REQUIRES_VIOLATION [2021-11-02 22:34:19,333 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr23REQUIRES_VIOLATION [2021-11-02 22:34:19,333 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr24REQUIRES_VIOLATION [2021-11-02 22:34:19,334 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr25REQUIRES_VIOLATION [2021-11-02 22:34:19,334 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr26REQUIRES_VIOLATION [2021-11-02 22:34:19,334 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr27REQUIRES_VIOLATION [2021-11-02 22:34:19,335 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr28REQUIRES_VIOLATION [2021-11-02 22:34:19,335 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr29REQUIRES_VIOLATION [2021-11-02 22:34:19,336 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr30REQUIRES_VIOLATION [2021-11-02 22:34:19,336 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr31REQUIRES_VIOLATION [2021-11-02 22:34:19,336 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr32REQUIRES_VIOLATION [2021-11-02 22:34:19,338 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr33REQUIRES_VIOLATION [2021-11-02 22:34:19,342 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr34REQUIRES_VIOLATION [2021-11-02 22:34:19,344 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr35REQUIRES_VIOLATION [2021-11-02 22:34:19,344 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr36REQUIRES_VIOLATION [2021-11-02 22:34:19,345 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr37REQUIRES_VIOLATION [2021-11-02 22:34:19,345 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr38REQUIRES_VIOLATION [2021-11-02 22:34:19,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr39REQUIRES_VIOLATION [2021-11-02 22:34:19,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr40REQUIRES_VIOLATION [2021-11-02 22:34:19,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr41REQUIRES_VIOLATION [2021-11-02 22:34:19,347 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr42REQUIRES_VIOLATION [2021-11-02 22:34:19,349 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr43REQUIRES_VIOLATION [2021-11-02 22:34:19,349 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr44REQUIRES_VIOLATION [2021-11-02 22:34:19,350 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr45REQUIRES_VIOLATION [2021-11-02 22:34:19,350 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr46REQUIRES_VIOLATION [2021-11-02 22:34:19,351 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr47REQUIRES_VIOLATION [2021-11-02 22:34:19,351 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr48REQUIRES_VIOLATION [2021-11-02 22:34:19,351 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr49REQUIRES_VIOLATION [2021-11-02 22:34:19,352 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr50REQUIRES_VIOLATION [2021-11-02 22:34:19,352 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr51REQUIRES_VIOLATION [2021-11-02 22:34:19,352 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr52REQUIRES_VIOLATION [2021-11-02 22:34:19,353 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr53REQUIRES_VIOLATION [2021-11-02 22:34:19,353 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr54REQUIRES_VIOLATION [2021-11-02 22:34:19,353 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr55REQUIRES_VIOLATION [2021-11-02 22:34:19,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr56REQUIRES_VIOLATION [2021-11-02 22:34:19,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr57REQUIRES_VIOLATION [2021-11-02 22:34:19,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr58REQUIRES_VIOLATION [2021-11-02 22:34:19,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr59REQUIRES_VIOLATION [2021-11-02 22:34:19,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr60REQUIRES_VIOLATION [2021-11-02 22:34:19,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr61REQUIRES_VIOLATION [2021-11-02 22:34:19,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr62REQUIRES_VIOLATION [2021-11-02 22:34:19,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr63REQUIRES_VIOLATION [2021-11-02 22:34:19,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr64REQUIRES_VIOLATION [2021-11-02 22:34:19,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr65REQUIRES_VIOLATION [2021-11-02 22:34:19,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr66REQUIRES_VIOLATION [2021-11-02 22:34:19,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr67REQUIRES_VIOLATION [2021-11-02 22:34:19,358 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr68REQUIRES_VIOLATION [2021-11-02 22:34:19,358 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr69REQUIRES_VIOLATION [2021-11-02 22:34:19,358 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr70REQUIRES_VIOLATION [2021-11-02 22:34:19,359 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr71REQUIRES_VIOLATION [2021-11-02 22:34:19,359 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr72REQUIRES_VIOLATION [2021-11-02 22:34:19,359 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr73REQUIRES_VIOLATION [2021-11-02 22:34:19,360 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr74REQUIRES_VIOLATION [2021-11-02 22:34:19,360 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr75REQUIRES_VIOLATION [2021-11-02 22:34:19,361 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr76REQUIRES_VIOLATION [2021-11-02 22:34:19,361 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr77REQUIRES_VIOLATION [2021-11-02 22:34:19,361 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr78REQUIRES_VIOLATION [2021-11-02 22:34:19,362 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr79REQUIRES_VIOLATION [2021-11-02 22:34:19,362 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr80ENSURES_VIOLATIONMEMORY_LEAK [2021-11-02 22:34:19,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:34:19,370 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-02 22:34:19,375 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:34:19,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:34:19 BoogieIcfgContainer [2021-11-02 22:34:19,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:34:19,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:34:19,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:34:19,388 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:34:19,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:34:16" (3/4) ... [2021-11-02 22:34:19,393 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 22:34:19,401 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-11-02 22:34:19,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-11-02 22:34:19,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 106 nodes and edges [2021-11-02 22:34:19,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2021-11-02 22:34:19,432 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-02 22:34:19,433 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-02 22:34:19,433 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-02 22:34:19,434 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-02 22:34:19,541 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 22:34:19,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:34:19,544 INFO L168 Benchmark]: Toolchain (without parser) took 5126.65 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 74.3 MB in the beginning and 120.1 MB in the end (delta: -45.8 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:34:19,544 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 107.0 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:34:19,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.35 ms. Allocated memory is still 107.0 MB. Free memory was 74.1 MB in the beginning and 79.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:34:19,546 INFO L168 Benchmark]: Boogie Preprocessor took 80.55 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 75.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:34:19,547 INFO L168 Benchmark]: RCFGBuilder took 1273.93 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 75.6 MB in the beginning and 101.9 MB in the end (delta: -26.4 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:34:19,548 INFO L168 Benchmark]: TraceAbstraction took 3238.08 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 101.3 MB in the beginning and 125.3 MB in the end (delta: -24.1 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:34:19,548 INFO L168 Benchmark]: Witness Printer took 154.36 ms. Allocated memory is still 157.3 MB. Free memory was 125.3 MB in the beginning and 120.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:34:19,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 107.0 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 370.35 ms. Allocated memory is still 107.0 MB. Free memory was 74.1 MB in the beginning and 79.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.55 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 75.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1273.93 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 75.6 MB in the beginning and 101.9 MB in the end (delta: -26.4 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3238.08 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 101.3 MB in the beginning and 125.3 MB in the end (delta: -24.1 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. * Witness Printer took 154.36 ms. Allocated memory is still 157.3 MB. Free memory was 125.3 MB in the beginning and 120.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 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: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 129]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 128]: 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 3 procedures, 159 locations, 81 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 68 SDtfs, 354 SDslu, 5 SDs, 0 SdLazy, 128 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 370 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-02 22:34:19,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a0d0914-b2a2-4c7a-991c-118fe9eb072d/bin/uautomizer-tBqnrhUYjU/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