./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a23a17038467a4b0973e39785173179a6b9a1bb4d9769749cbca92c19670a850 --- 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-2329fc7 [2022-12-13 15:04:56,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:04:56,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:04:56,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:04:56,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:04:56,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:04:56,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:04:56,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:04:56,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:04:56,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:04:56,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:04:56,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:04:56,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:04:56,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:04:56,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:04:56,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:04:56,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:04:56,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:04:56,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:04:56,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:04:56,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:04:56,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:04:56,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:04:56,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:04:56,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:04:56,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:04:56,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:04:56,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:04:56,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:04:56,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:04:56,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:04:56,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:04:56,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:04:56,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:04:56,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:04:56,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:04:56,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:04:56,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:04:56,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:04:56,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:04:56,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:04:56,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 15:04:56,132 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:04:56,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:04:56,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:04:56,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:04:56,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:04:56,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:04:56,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:04:56,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:04:56,135 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:04:56,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:04:56,135 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:04:56,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:04:56,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:04:56,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:04:56,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:04:56,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:04:56,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:04:56,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:04:56,137 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:04:56,137 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:04:56,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:04:56,137 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:04:56,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:04:56,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:04:56,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:04:56,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:04:56,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:04:56,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:04:56,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:04:56,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:04:56,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:04:56,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:04:56,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:04:56,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:04:56,140 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:04:56,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:04:56,140 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:04:56,140 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a23a17038467a4b0973e39785173179a6b9a1bb4d9769749cbca92c19670a850 [2022-12-13 15:04:56,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:04:56,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:04:56,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:04:56,348 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:04:56,349 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:04:56,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2022-12-13 15:04:58,931 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:04:59,113 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:04:59,113 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2022-12-13 15:04:59,120 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/data/176e80b38/06a75624341d41ce853f85a1436afe65/FLAG9b6781334 [2022-12-13 15:04:59,132 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/data/176e80b38/06a75624341d41ce853f85a1436afe65 [2022-12-13 15:04:59,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:04:59,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:04:59,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:04:59,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:04:59,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:04:59,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24010f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59, skipping insertion in model container [2022-12-13 15:04:59,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:04:59,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:04:59,375 WARN L623 FunctionHandler]: Unknown extern function fopen [2022-12-13 15:04:59,378 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_1575ae05-5d39-4f6d-8911-4904b8378bfa/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2022-12-13 15:04:59,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:04:59,389 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:04:59,449 WARN L623 FunctionHandler]: Unknown extern function fopen [2022-12-13 15:04:59,451 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_1575ae05-5d39-4f6d-8911-4904b8378bfa/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c[11342,11355] [2022-12-13 15:04:59,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:04:59,466 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:04:59,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59 WrapperNode [2022-12-13 15:04:59,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:04:59,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:04:59,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:04:59,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:04:59,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,519 INFO L138 Inliner]: procedures = 29, calls = 156, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 451 [2022-12-13 15:04:59,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:04:59,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:04:59,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:04:59,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:04:59,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:04:59,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:04:59,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:04:59,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:04:59,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (1/1) ... [2022-12-13 15:04:59,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:04:59,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:04:59,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:04:59,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:04:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 15:04:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:04:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-12-13 15:04:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-12-13 15:04:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 15:04:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:04:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:04:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:04:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 15:04:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-12-13 15:04:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:04:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-12-13 15:04:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-12-13 15:04:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:04:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:04:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:04:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-12-13 15:04:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-12-13 15:04:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:04:59,742 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:04:59,743 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:05:00,132 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:05:00,137 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:05:00,137 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-12-13 15:05:00,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:05:00 BoogieIcfgContainer [2022-12-13 15:05:00,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:05:00,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:05:00,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:05:00,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:05:00,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:04:59" (1/3) ... [2022-12-13 15:05:00,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4838c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:05:00, skipping insertion in model container [2022-12-13 15:05:00,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:04:59" (2/3) ... [2022-12-13 15:05:00,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4838c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:05:00, skipping insertion in model container [2022-12-13 15:05:00,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:05:00" (3/3) ... [2022-12-13 15:05:00,145 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2022-12-13 15:05:00,158 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:05:00,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 15:05:00,194 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:05:00,198 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e0d206a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:05:00,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 15:05:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 92 states have (on average 1.608695652173913) internal successors, (148), 96 states have internal predecessors, (148), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 15:05:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 15:05:00,206 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:05:00,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 15:05:00,206 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 15:05:00,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:05:00,211 INFO L85 PathProgramCache]: Analyzing trace with hash 189019181, now seen corresponding path program 1 times [2022-12-13 15:05:00,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:05:00,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450234410] [2022-12-13 15:05:00,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:05:00,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:05:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:05:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:05:00,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:05:00,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450234410] [2022-12-13 15:05:00,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450234410] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:05:00,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:05:00,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 15:05:00,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120863797] [2022-12-13 15:05:00,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:05:00,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:05:00,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:05:00,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:05:00,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:05:00,458 INFO L87 Difference]: Start difference. First operand has 108 states, 92 states have (on average 1.608695652173913) internal successors, (148), 96 states have internal predecessors, (148), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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) [2022-12-13 15:05:00,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:05:00,484 INFO L93 Difference]: Finished difference Result 205 states and 324 transitions. [2022-12-13 15:05:00,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:05:00,486 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 15:05:00,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:05:00,489 INFO L225 Difference]: With dead ends: 205 [2022-12-13 15:05:00,489 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 15:05:00,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:05:00,495 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:05:00,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:05:00,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 15:05:00,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 15:05:00,511 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) [2022-12-13 15:05:00,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 15:05:00,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-12-13 15:05:00,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:05:00,512 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:05:00,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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) [2022-12-13 15:05:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:05:00,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 15:05:00,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 15:05:00,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 15:05:00,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 15:05:00,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 15:05:00,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:05:00,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 15:05:00,549 INFO L899 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2022-12-13 15:05:00,549 INFO L899 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2022-12-13 15:05:00,549 INFO L899 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2022-12-13 15:05:00,549 INFO L902 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-12-13 15:05:00,550 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-12-13 15:05:00,550 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-12-13 15:05:00,550 INFO L899 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2022-12-13 15:05:00,550 INFO L899 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2022-12-13 15:05:00,550 INFO L899 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2022-12-13 15:05:00,550 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-12-13 15:05:00,550 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-12-13 15:05:00,550 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-12-13 15:05:00,550 INFO L899 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2022-12-13 15:05:00,550 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-12-13 15:05:00,551 INFO L899 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-12-13 15:05:00,551 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-12-13 15:05:00,551 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2022-12-13 15:05:00,551 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-12-13 15:05:00,551 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-12-13 15:05:00,551 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-12-13 15:05:00,551 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-12-13 15:05:00,551 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-12-13 15:05:00,552 INFO L899 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-12-13 15:05:00,552 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2022-12-13 15:05:00,552 INFO L899 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2022-12-13 15:05:00,552 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2022-12-13 15:05:00,552 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-12-13 15:05:00,552 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-12-13 15:05:00,552 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-12-13 15:05:00,552 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-12-13 15:05:00,553 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-12-13 15:05:00,553 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_92_returnLabel#1(lines 249 279) the Hoare annotation is: true [2022-12-13 15:05:00,553 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2022-12-13 15:05:00,553 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-12-13 15:05:00,553 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-12-13 15:05:00,553 INFO L902 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: true [2022-12-13 15:05:00,553 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2022-12-13 15:05:00,553 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-12-13 15:05:00,554 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-12-13 15:05:00,554 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-12-13 15:05:00,554 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-12-13 15:05:00,554 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-12-13 15:05:00,554 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-12-13 15:05:00,554 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-12-13 15:05:00,554 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-12-13 15:05:00,554 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-12-13 15:05:00,555 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2022-12-13 15:05:00,555 INFO L899 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-12-13 15:05:00,555 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-12-13 15:05:00,555 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-12-13 15:05:00,555 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-12-13 15:05:00,555 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 378) no Hoare annotation was computed. [2022-12-13 15:05:00,555 INFO L899 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2022-12-13 15:05:00,556 INFO L899 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2022-12-13 15:05:00,556 INFO L899 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2022-12-13 15:05:00,556 INFO L899 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2022-12-13 15:05:00,556 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-12-13 15:05:00,556 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-12-13 15:05:00,556 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-12-13 15:05:00,556 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2022-12-13 15:05:00,556 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-12-13 15:05:00,557 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 354) no Hoare annotation was computed. [2022-12-13 15:05:00,557 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 15:05:00,557 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-12-13 15:05:00,557 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-12-13 15:05:00,557 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 354) no Hoare annotation was computed. [2022-12-13 15:05:00,557 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-12-13 15:05:00,557 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2022-12-13 15:05:00,557 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2022-12-13 15:05:00,557 INFO L899 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2022-12-13 15:05:00,558 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-12-13 15:05:00,558 INFO L899 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2022-12-13 15:05:00,558 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 15:05:00,558 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_96_returnLabel#1(lines 300 330) the Hoare annotation is: true [2022-12-13 15:05:00,558 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2022-12-13 15:05:00,558 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-12-13 15:05:00,558 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-12-13 15:05:00,558 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-12-13 15:05:00,558 INFO L902 garLoopResultBuilder]: At program point L427(lines 427 458) the Hoare annotation is: true [2022-12-13 15:05:00,559 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-12-13 15:05:00,559 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-12-13 15:05:00,559 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-12-13 15:05:00,559 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_99_returnLabel#1(lines 400 419) the Hoare annotation is: true [2022-12-13 15:05:00,559 INFO L899 garLoopResultBuilder]: For program point L378(line 378) no Hoare annotation was computed. [2022-12-13 15:05:00,559 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2022-12-13 15:05:00,559 INFO L902 garLoopResultBuilder]: At program point L378-2(line 378) the Hoare annotation is: true [2022-12-13 15:05:00,560 INFO L899 garLoopResultBuilder]: For program point L378-3(lines 378 381) no Hoare annotation was computed. [2022-12-13 15:05:00,560 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-12-13 15:05:00,560 INFO L899 garLoopResultBuilder]: For program point L354(line 354) no Hoare annotation was computed. [2022-12-13 15:05:00,560 INFO L899 garLoopResultBuilder]: For program point L354-1(line 354) no Hoare annotation was computed. [2022-12-13 15:05:00,560 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 15:05:00,560 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-12-13 15:05:00,560 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-12-13 15:05:00,560 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_97_returnLabel#1(lines 331 399) the Hoare annotation is: true [2022-12-13 15:05:00,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 15:05:00,561 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-12-13 15:05:00,561 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_100_returnLabel#1(lines 420 426) the Hoare annotation is: true [2022-12-13 15:05:00,561 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-12-13 15:05:00,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 378) no Hoare annotation was computed. [2022-12-13 15:05:00,561 INFO L899 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2022-12-13 15:05:00,561 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2022-12-13 15:05:00,561 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2022-12-13 15:05:00,562 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-12-13 15:05:00,562 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-12-13 15:05:00,562 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-12-13 15:05:00,562 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-12-13 15:05:00,562 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2022-12-13 15:05:00,562 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-12-13 15:05:00,565 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 15:05:00,567 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:05:00,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:05:00 BoogieIcfgContainer [2022-12-13 15:05:00,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:05:00,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:05:00,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:05:00,574 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:05:00,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:05:00" (3/4) ... [2022-12-13 15:05:00,576 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:05:00,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2022-12-13 15:05:00,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2022-12-13 15:05:00,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2022-12-13 15:05:00,585 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-12-13 15:05:00,586 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-13 15:05:00,586 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 15:05:00,587 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 15:05:00,587 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:05:00,587 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:05:00,638 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:05:00,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:05:00,638 INFO L158 Benchmark]: Toolchain (without parser) took 1502.84ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 80.9MB in the beginning and 75.8MB in the end (delta: 5.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-12-13 15:05:00,638 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 86.3MB in the end (delta: 128.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:05:00,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.45ms. Allocated memory is still 111.1MB. Free memory was 80.6MB in the beginning and 63.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 15:05:00,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.48ms. Allocated memory is still 111.1MB. Free memory was 63.5MB in the beginning and 59.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:05:00,639 INFO L158 Benchmark]: Boogie Preprocessor took 46.30ms. Allocated memory is still 111.1MB. Free memory was 59.9MB in the beginning and 56.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:05:00,639 INFO L158 Benchmark]: RCFGBuilder took 571.61ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 56.7MB in the beginning and 77.1MB in the end (delta: -20.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-12-13 15:05:00,640 INFO L158 Benchmark]: TraceAbstraction took 432.46ms. Allocated memory is still 134.2MB. Free memory was 76.4MB in the beginning and 84.2MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:05:00,640 INFO L158 Benchmark]: Witness Printer took 64.52ms. Allocated memory is still 134.2MB. Free memory was 84.2MB in the beginning and 75.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 15:05:00,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 86.3MB in the end (delta: 128.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.45ms. Allocated memory is still 111.1MB. Free memory was 80.6MB in the beginning and 63.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.48ms. Allocated memory is still 111.1MB. Free memory was 63.5MB in the beginning and 59.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.30ms. Allocated memory is still 111.1MB. Free memory was 59.9MB in the beginning and 56.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.61ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 56.7MB in the beginning and 77.1MB in the end (delta: -20.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * TraceAbstraction took 432.46ms. Allocated memory is still 134.2MB. Free memory was 76.4MB in the beginning and 84.2MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.52ms. Allocated memory is still 134.2MB. Free memory was 84.2MB in the beginning and 75.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 354]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 354]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 378]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 378]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 151 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 151 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 71 PreInvPairs, 95 NumberOfFragments, 26 HoareAnnotationTreeSize, 71 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 15:05:00,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1575ae05-5d39-4f6d-8911-4904b8378bfa/bin/uautomizer-uyxdKDjOR8/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