./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-sets/test_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed7fc1ee8e8624c54bbfaff1033820d20aa5fb88ac8eae06fb8e7107f72c3762 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:27:56,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:56,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:56,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:56,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:56,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:56,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:56,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:56,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:56,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:56,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:56,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:56,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:56,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:56,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:56,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:56,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:56,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:56,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:56,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:57,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:57,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:57,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:57,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:57,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:57,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:57,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:57,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:57,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:57,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:57,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:57,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:57,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:57,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:57,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:57,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:57,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:57,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:57,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:57,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:57,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:57,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 09:27:57,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:57,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:57,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:57,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:57,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:57,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:57,107 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:57,107 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 09:27:57,108 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 09:27:57,108 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 09:27:57,109 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 09:27:57,110 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 09:27:57,110 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 09:27:57,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:57,110 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:27:57,111 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:27:57,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:57,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:27:57,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:57,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 09:27:57,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 09:27:57,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 09:27:57,112 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:27:57,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:57,113 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 09:27:57,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:57,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 09:27:57,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:57,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:57,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:57,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:57,116 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 09:27:57,116 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed7fc1ee8e8624c54bbfaff1033820d20aa5fb88ac8eae06fb8e7107f72c3762 [2022-11-20 09:27:57,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:57,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:57,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:57,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:57,486 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:57,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-sets/test_add-1.i [2022-11-20 09:28:00,509 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:28:00,806 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:28:00,814 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/sv-benchmarks/c/ldv-sets/test_add-1.i [2022-11-20 09:28:00,828 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/data/4e807fe00/547561dd0aa144c4a29f5f8f542cb378/FLAG3f11151f3 [2022-11-20 09:28:00,843 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/data/4e807fe00/547561dd0aa144c4a29f5f8f542cb378 [2022-11-20 09:28:00,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:28:00,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:28:00,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:28:00,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:28:00,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:28:00,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:28:00" (1/1) ... [2022-11-20 09:28:00,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db071b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:00, skipping insertion in model container [2022-11-20 09:28:00,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:28:00" (1/1) ... [2022-11-20 09:28:00,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:28:00,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:28:01,306 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2022-11-20 09:28:01,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:28:01,324 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:28:01,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2022-11-20 09:28:01,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:28:01,450 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:28:01,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01 WrapperNode [2022-11-20 09:28:01,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:28:01,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:28:01,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:28:01,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:28:01,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,529 INFO L138 Inliner]: procedures = 135, calls = 46, calls flagged for inlining = 15, calls inlined = 10, statements flattened = 105 [2022-11-20 09:28:01,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:28:01,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:28:01,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:28:01,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:28:01,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:28:01,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:28:01,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:28:01,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:28:01,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (1/1) ... [2022-11-20 09:28:01,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:28:01,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:28:01,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:28:01,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 09:28:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:28:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:28:01,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:28:01,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:28:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:28:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:28:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:28:01,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:28:01,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:28:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:28:01,788 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:28:01,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:28:02,320 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:28:02,326 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:28:02,327 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 09:28:02,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:28:02 BoogieIcfgContainer [2022-11-20 09:28:02,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:28:02,330 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 09:28:02,330 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 09:28:02,334 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 09:28:02,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:28:02,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:28:00" (1/3) ... [2022-11-20 09:28:02,337 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ebe3c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:28:02, skipping insertion in model container [2022-11-20 09:28:02,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:28:02,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:01" (2/3) ... [2022-11-20 09:28:02,338 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ebe3c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:28:02, skipping insertion in model container [2022-11-20 09:28:02,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:28:02,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:28:02" (3/3) ... [2022-11-20 09:28:02,340 INFO L332 chiAutomizerObserver]: Analyzing ICFG test_add-1.i [2022-11-20 09:28:02,396 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 09:28:02,397 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 09:28:02,397 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 09:28:02,397 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 09:28:02,397 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 09:28:02,397 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 09:28:02,398 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 09:28:02,398 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 09:28:02,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 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) [2022-11-20 09:28:02,423 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-20 09:28:02,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:28:02,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:28:02,429 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 09:28:02,430 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:28:02,430 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 09:28:02,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 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) [2022-11-20 09:28:02,432 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-20 09:28:02,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:28:02,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:28:02,433 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 09:28:02,433 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:28:02,442 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#s1~0.base, ~#s1~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~nondet27#1, foo_#t~ret28#1, foo_~j~0#1;foo_~j~0#1 := foo_#t~nondet27#1;havoc foo_#t~nondet27#1;assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := foo_~j~0#1, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1 := ldv_set_add_#in~new#1;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1 := ldv_is_in_set_#in~e#1;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 6#L652-3true [2022-11-20 09:28:02,443 INFO L750 eck$LassoCheckResult]: Loop: 6#L652-3true assume !!(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);call ldv_is_in_set_#t~mem25#1 := read~int(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4); 19#L653true assume !(ldv_is_in_set_#t~mem25#1 == ldv_is_in_set_~e#1);havoc ldv_is_in_set_#t~mem25#1; 15#L652-2true call ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, 4 + ldv_is_in_set_~m~1#1.offset, 4);ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset := ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;havoc ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset - 4; 6#L652-3true [2022-11-20 09:28:02,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:02,455 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 09:28:02,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:02,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180199338] [2022-11-20 09:28:02,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:02,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:28:02,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:28:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:28:02,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:28:02,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:02,686 INFO L85 PathProgramCache]: Analyzing trace with hash 39883, now seen corresponding path program 1 times [2022-11-20 09:28:02,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:02,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664410430] [2022-11-20 09:28:02,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:02,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:28:02,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:28:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:28:02,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:28:02,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:02,752 INFO L85 PathProgramCache]: Analyzing trace with hash 28698825, now seen corresponding path program 1 times [2022-11-20 09:28:02,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:02,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167880056] [2022-11-20 09:28:02,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:02,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:28:03,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:03,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167880056] [2022-11-20 09:28:03,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167880056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:03,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:03,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:03,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313730102] [2022-11-20 09:28:03,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:03,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:03,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:28:03,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:28:03,573 INFO L87 Difference]: Start difference. First operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 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 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) [2022-11-20 09:28:03,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:03,698 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2022-11-20 09:28:03,700 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 37 transitions. [2022-11-20 09:28:03,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 09:28:03,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 15 states and 15 transitions. [2022-11-20 09:28:03,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-20 09:28:03,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-20 09:28:03,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 15 transitions. [2022-11-20 09:28:03,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:28:03,711 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-20 09:28:03,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 15 transitions. [2022-11-20 09:28:03,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-20 09:28:03,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.0) internal successors, (15), 14 states have internal predecessors, (15), 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) [2022-11-20 09:28:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-20 09:28:03,742 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-20 09:28:03,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:28:03,750 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-20 09:28:03,755 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 09:28:03,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 15 transitions. [2022-11-20 09:28:03,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 09:28:03,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:28:03,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:28:03,761 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:28:03,761 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:28:03,762 INFO L748 eck$LassoCheckResult]: Stem: 77#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#s1~0.base, ~#s1~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 78#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~nondet27#1, foo_#t~ret28#1, foo_~j~0#1;foo_~j~0#1 := foo_#t~nondet27#1;havoc foo_#t~nondet27#1;assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := foo_~j~0#1, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1 := ldv_set_add_#in~new#1;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1 := ldv_is_in_set_#in~e#1;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 81#L652-3 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 82#L652-4 ldv_is_in_set_#res#1 := 0; 84#L657 ldv_set_add_#t~ret17#1 := ldv_is_in_set_#res#1;assume { :end_inline_ldv_is_in_set } true; 85#L633 assume 0 == ldv_set_add_#t~ret17#1;havoc ldv_set_add_#t~ret17#1;havoc ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 12;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1 % 4294967296);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 75#L565 assume !(0 == assume_abort_if_not_~cond#1); 76#L564 assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 89#L578 ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;assume { :end_inline_ldv_successful_malloc } true;ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset := ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;havoc ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;call write~int(ldv_set_add_~new#1, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, 4);assume { :begin_inline_ldv_list_add } true;ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset, ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset := ldv_set_add_~le~0#1.base, 4 + ldv_set_add_~le~0#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset, ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset;ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset := ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset;ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset := ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset;call ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset := read~$Pointer$(ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, 4);assume { :begin_inline___ldv_list_add } true;__ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset, __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset, __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset := ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset;havoc __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset;__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset := __ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset;__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset := __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset;__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset := __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset;call write~$Pointer$(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~next#1.base, 4 + __ldv_list_add_~next#1.offset, 4);call write~$Pointer$(__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset, __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, 4);call write~$Pointer$(__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~new#1.base, 4 + __ldv_list_add_~new#1.offset, 4);call write~$Pointer$(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, 4); 87#L589 assume { :end_inline___ldv_list_add } true;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset; 88#L603 assume { :end_inline_ldv_list_add } true; 86#L632 assume { :end_inline_ldv_set_add } true;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := foo_~j~0#1, ~#s1~0.base, ~#s1~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem25#1, ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1 := ldv_is_in_set_#in~e#1;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;havoc ldv_is_in_set_#t~mem23#1.base, ldv_is_in_set_#t~mem23#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4; 83#L652-8 [2022-11-20 09:28:03,763 INFO L750 eck$LassoCheckResult]: Loop: 83#L652-8 assume !!(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);call ldv_is_in_set_#t~mem25#1 := read~int(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4); 79#L653-1 assume !(ldv_is_in_set_#t~mem25#1 == ldv_is_in_set_~e#1);havoc ldv_is_in_set_#t~mem25#1; 80#L652-7 call ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, 4 + ldv_is_in_set_~m~1#1.offset, 4);ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset := ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;havoc ldv_is_in_set_#t~mem24#1.base, ldv_is_in_set_#t~mem24#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset - 4; 83#L652-8 [2022-11-20 09:28:03,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:03,766 INFO L85 PathProgramCache]: Analyzing trace with hash -812001189, now seen corresponding path program 1 times [2022-11-20 09:28:03,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:03,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370285845] [2022-11-20 09:28:03,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:03,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:28:03,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:28:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:28:03,946 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:28:03,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:03,947 INFO L85 PathProgramCache]: Analyzing trace with hash 80596, now seen corresponding path program 1 times [2022-11-20 09:28:03,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:03,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313334226] [2022-11-20 09:28:03,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:03,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:28:03,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:28:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:28:03,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:28:03,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:03,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1071559622, now seen corresponding path program 1 times [2022-11-20 09:28:03,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:03,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767788083] [2022-11-20 09:28:03,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:03,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:28:06,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:06,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767788083] [2022-11-20 09:28:06,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767788083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:06,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:06,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:28:06,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90801707] [2022-11-20 09:28:06,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:06,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:06,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:28:06,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:28:06,445 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. cyclomatic complexity: 1 Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2022-11-20 09:28:06,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:06,816 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2022-11-20 09:28:06,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 13 transitions. [2022-11-20 09:28:06,817 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 09:28:06,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2022-11-20 09:28:06,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 09:28:06,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 09:28:06,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 09:28:06,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:28:06,817 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:28:06,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:28:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:28:06,818 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:28:06,818 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 09:28:06,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:28:06,819 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 09:28:06,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 09:28:06,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:28:06 BoogieIcfgContainer [2022-11-20 09:28:06,826 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 09:28:06,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:28:06,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:28:06,827 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:28:06,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:28:02" (3/4) ... [2022-11-20 09:28:06,845 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:28:06,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:28:06,846 INFO L158 Benchmark]: Toolchain (without parser) took 5998.85ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 115.4MB in the beginning and 144.0MB in the end (delta: -28.5MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2022-11-20 09:28:06,847 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 111.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:28:06,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.02ms. Allocated memory is still 144.7MB. Free memory was 114.6MB in the beginning and 96.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 09:28:06,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.95ms. Allocated memory is still 144.7MB. Free memory was 95.7MB in the beginning and 93.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:28:06,849 INFO L158 Benchmark]: Boogie Preprocessor took 34.75ms. Allocated memory is still 144.7MB. Free memory was 93.6MB in the beginning and 92.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:28:06,849 INFO L158 Benchmark]: RCFGBuilder took 763.78ms. Allocated memory is still 144.7MB. Free memory was 92.3MB in the beginning and 73.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 09:28:06,850 INFO L158 Benchmark]: BuchiAutomizer took 4495.56ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 73.5MB in the beginning and 51.7MB in the end (delta: 21.8MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2022-11-20 09:28:06,851 INFO L158 Benchmark]: Witness Printer took 19.10ms. Allocated memory is still 176.2MB. Free memory was 51.7MB in the beginning and 144.0MB in the end (delta: -92.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-11-20 09:28:06,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 111.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.02ms. Allocated memory is still 144.7MB. Free memory was 114.6MB in the beginning and 96.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.95ms. Allocated memory is still 144.7MB. Free memory was 95.7MB in the beginning and 93.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.75ms. Allocated memory is still 144.7MB. Free memory was 93.6MB in the beginning and 92.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 763.78ms. Allocated memory is still 144.7MB. Free memory was 92.3MB in the beginning and 73.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 4495.56ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 73.5MB in the beginning and 51.7MB in the end (delta: 21.8MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Witness Printer took 19.10ms. Allocated memory is still 176.2MB. Free memory was 51.7MB in the beginning and 144.0MB in the end (delta: -92.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 26 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 09:28:06,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13616389-07ba-4773-b1b8-0fc4b73d341a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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