./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/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_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1391bee0bb5d7f50dd16d284fbfd81fef460a2ec12522be9e9c3c85276cf79aa --- 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 19:09:27,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:09:27,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:09:27,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:09:27,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:09:27,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:09:27,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:09:27,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:09:27,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:09:27,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:09:27,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:09:27,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:09:27,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:09:27,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:09:27,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:09:27,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:09:27,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:09:27,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:09:27,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:09:27,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:09:27,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:09:27,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:09:27,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:09:27,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:09:27,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:09:27,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:09:27,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:09:27,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:09:27,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:09:27,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:09:27,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:09:27,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:09:27,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:09:27,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:09:27,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:09:27,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:09:27,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:09:27,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:09:27,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:09:27,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:09:27,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:09:27,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 19:09:27,303 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:09:27,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:09:27,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:09:27,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:09:27,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:09:27,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:09:27,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:09:27,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:09:27,317 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:09:27,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:09:27,317 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:09:27,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:09:27,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:09:27,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:09:27,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:09:27,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:09:27,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:09:27,318 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:09:27,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:09:27,318 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:09:27,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:09:27,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:09:27,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:09:27,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:09:27,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:09:27,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:09:27,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:09:27,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:09:27,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:09:27,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:09:27,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:09:27,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:09:27,320 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:09:27,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:09:27,320 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:09:27,320 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_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1391bee0bb5d7f50dd16d284fbfd81fef460a2ec12522be9e9c3c85276cf79aa [2022-12-13 19:09:27,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:09:27,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:09:27,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:09:27,507 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:09:27,508 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:09:27,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2022-12-13 19:09:30,091 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:09:30,260 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:09:30,260 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2022-12-13 19:09:30,268 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/data/080c74abb/befc7a7ce5f3487ba8c817e1214d2e20/FLAG4c96394f3 [2022-12-13 19:09:30,282 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/data/080c74abb/befc7a7ce5f3487ba8c817e1214d2e20 [2022-12-13 19:09:30,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:09:30,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:09:30,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:09:30,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:09:30,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:09:30,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc887b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30, skipping insertion in model container [2022-12-13 19:09:30,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:09:30,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:09:30,500 WARN L623 FunctionHandler]: Unknown extern function fopen [2022-12-13 19:09:30,502 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_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2022-12-13 19:09:30,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:09:30,512 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:09:30,554 WARN L623 FunctionHandler]: Unknown extern function fopen [2022-12-13 19:09:30,555 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_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2022-12-13 19:09:30,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:09:30,567 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:09:30,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30 WrapperNode [2022-12-13 19:09:30,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:09:30,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:09:30,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:09:30,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:09:30,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,606 INFO L138 Inliner]: procedures = 29, calls = 156, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 447 [2022-12-13 19:09:30,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:09:30,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:09:30,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:09:30,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:09:30,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,637 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:09:30,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:09:30,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:09:30,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:09:30,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (1/1) ... [2022-12-13 19:09:30,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:09:30,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:09:30,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:09:30,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:09:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 19:09:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:09:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-12-13 19:09:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-12-13 19:09:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 19:09:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:09:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:09:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:09:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 19:09:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-12-13 19:09:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:09:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-12-13 19:09:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-12-13 19:09:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 19:09:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:09:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:09:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-12-13 19:09:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-12-13 19:09:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:09:30,814 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:09:30,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:09:31,224 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:09:31,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:09:31,230 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-12-13 19:09:31,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:09:31 BoogieIcfgContainer [2022-12-13 19:09:31,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:09:31,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:09:31,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:09:31,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:09:31,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:09:30" (1/3) ... [2022-12-13 19:09:31,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279baf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:09:31, skipping insertion in model container [2022-12-13 19:09:31,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:09:30" (2/3) ... [2022-12-13 19:09:31,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279baf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:09:31, skipping insertion in model container [2022-12-13 19:09:31,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:09:31" (3/3) ... [2022-12-13 19:09:31,237 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_3.c [2022-12-13 19:09:31,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:09:31,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:09:31,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:09:31,287 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;@1c5c8054, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:09:31,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 19:09:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 88 states have (on average 1.6022727272727273) internal successors, (141), 89 states have internal predecessors, (141), 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 19:09:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-13 19:09:31,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:31,302 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:31,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:31,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:31,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1660204455, now seen corresponding path program 1 times [2022-12-13 19:09:31,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:31,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324335264] [2022-12-13 19:09:31,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:31,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:31,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:31,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324335264] [2022-12-13 19:09:31,502 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 19:09:31,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454341916] [2022-12-13 19:09:31,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:31,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:09:31,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:09:31,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:09:31,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:09:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:31,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 19:09:31,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 19:09:31,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:31,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454341916] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:31,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:31,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:09:31,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241249182] [2022-12-13 19:09:31,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:31,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:09:31,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:31,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:09:31,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:09:31,716 INFO L87 Difference]: Start difference. First operand has 101 states, 88 states have (on average 1.6022727272727273) internal successors, (141), 89 states have internal predecessors, (141), 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, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:31,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:31,748 INFO L93 Difference]: Finished difference Result 197 states and 314 transitions. [2022-12-13 19:09:31,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:09:31,750 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-12-13 19:09:31,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:31,758 INFO L225 Difference]: With dead ends: 197 [2022-12-13 19:09:31,758 INFO L226 Difference]: Without dead ends: 95 [2022-12-13 19:09:31,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 19:09:31,765 INFO L413 NwaCegarLoop]: 148 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, 148 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 19:09:31,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:31,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-13 19:09:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-12-13 19:09:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 83 states have (on average 1.5180722891566265) internal successors, (126), 84 states have internal predecessors, (126), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 19:09:31,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 141 transitions. [2022-12-13 19:09:31,799 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 141 transitions. Word has length 27 [2022-12-13 19:09:31,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:31,800 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 141 transitions. [2022-12-13 19:09:31,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2022-12-13 19:09:31,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 19:09:31,801 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:09:31,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:31,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:09:32,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-13 19:09:32,004 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:09:32,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:32,006 INFO L85 PathProgramCache]: Analyzing trace with hash 39847518, now seen corresponding path program 1 times [2022-12-13 19:09:32,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:32,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009541106] [2022-12-13 19:09:32,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:32,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:32,139 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 19:09:32,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378717033] [2022-12-13 19:09:32,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:32,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:09:32,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:09:32,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:09:32,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:09:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:32,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:09:32,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:09:32,312 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 19:09:32,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:09:32,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:32,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009541106] [2022-12-13 19:09:32,313 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 19:09:32,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378717033] [2022-12-13 19:09:32,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378717033] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:32,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:32,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:09:32,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714938092] [2022-12-13 19:09:32,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:32,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:32,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:32,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:32,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:32,316 INFO L87 Difference]: Start difference. First operand 95 states and 141 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:32,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:09:32,333 INFO L93 Difference]: Finished difference Result 104 states and 153 transitions. [2022-12-13 19:09:32,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:32,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-12-13 19:09:32,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:09:32,334 INFO L225 Difference]: With dead ends: 104 [2022-12-13 19:09:32,334 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 19:09:32,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:32,337 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 8 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:09:32,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 288 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:09:32,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 19:09:32,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 19:09:32,339 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 19:09:32,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:09:32,339 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-12-13 19:09:32,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:09:32,340 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:09:32,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 19:09:32,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:09:32,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 19:09:32,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 19:09:32,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:09:32,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:09:32,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 19:09:32,671 INFO L899 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2022-12-13 19:09:32,671 INFO L899 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2022-12-13 19:09:32,672 INFO L899 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2022-12-13 19:09:32,673 INFO L902 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-12-13 19:09:32,673 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-12-13 19:09:32,673 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-12-13 19:09:32,674 INFO L899 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2022-12-13 19:09:32,674 INFO L899 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2022-12-13 19:09:32,674 INFO L899 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2022-12-13 19:09:32,675 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-12-13 19:09:32,675 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-12-13 19:09:32,676 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-12-13 19:09:32,676 INFO L899 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2022-12-13 19:09:32,676 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-12-13 19:09:32,677 INFO L899 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-12-13 19:09:32,677 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-12-13 19:09:32,677 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2022-12-13 19:09:32,678 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-12-13 19:09:32,678 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-12-13 19:09:32,678 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-12-13 19:09:32,678 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-12-13 19:09:32,679 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-12-13 19:09:32,679 INFO L899 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-12-13 19:09:32,679 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2022-12-13 19:09:32,680 INFO L899 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2022-12-13 19:09:32,680 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2022-12-13 19:09:32,680 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-12-13 19:09:32,680 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-12-13 19:09:32,681 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-12-13 19:09:32,681 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-12-13 19:09:32,681 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-12-13 19:09:32,681 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-12-13 19:09:32,682 INFO L895 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (<= 1 |Id_MCDC_95___VERIFIER_assert_~Id_MCDC_103#1|) [2022-12-13 19:09:32,682 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-12-13 19:09:32,683 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-12-13 19:09:32,683 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-12-13 19:09:32,683 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-12-13 19:09:32,684 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-12-13 19:09:32,684 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-12-13 19:09:32,684 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-12-13 19:09:32,684 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-12-13 19:09:32,684 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_92_returnLabel#1(lines 249 279) the Hoare annotation is: true [2022-12-13 19:09:32,685 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2022-12-13 19:09:32,685 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-12-13 19:09:32,685 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2022-12-13 19:09:32,685 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2022-12-13 19:09:32,686 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-12-13 19:09:32,686 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-12-13 19:09:32,686 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-12-13 19:09:32,686 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2022-12-13 19:09:32,687 INFO L899 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-12-13 19:09:32,687 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-12-13 19:09:32,687 INFO L899 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2022-12-13 19:09:32,687 INFO L899 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2022-12-13 19:09:32,688 INFO L899 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2022-12-13 19:09:32,688 INFO L899 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2022-12-13 19:09:32,688 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-12-13 19:09:32,688 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-12-13 19:09:32,688 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-12-13 19:09:32,689 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2022-12-13 19:09:32,689 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-12-13 19:09:32,689 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 19:09:32,689 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-12-13 19:09:32,690 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-12-13 19:09:32,690 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-12-13 19:09:32,690 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2022-12-13 19:09:32,690 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2022-12-13 19:09:32,690 INFO L899 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2022-12-13 19:09:32,691 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-12-13 19:09:32,691 INFO L899 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2022-12-13 19:09:32,691 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 19:09:32,691 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_96_returnLabel#1(lines 300 330) the Hoare annotation is: true [2022-12-13 19:09:32,691 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2022-12-13 19:09:32,692 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-12-13 19:09:32,692 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-12-13 19:09:32,692 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-12-13 19:09:32,692 INFO L902 garLoopResultBuilder]: At program point L427(lines 427 458) the Hoare annotation is: true [2022-12-13 19:09:32,692 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-12-13 19:09:32,693 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-12-13 19:09:32,693 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-12-13 19:09:32,693 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_99_returnLabel#1(lines 400 419) the Hoare annotation is: true [2022-12-13 19:09:32,693 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-12-13 19:09:32,693 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2022-12-13 19:09:32,693 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-12-13 19:09:32,694 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 19:09:32,694 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-12-13 19:09:32,694 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-12-13 19:09:32,694 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_97_returnLabel#1(lines 331 399) the Hoare annotation is: true [2022-12-13 19:09:32,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 19:09:32,694 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-12-13 19:09:32,695 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_100_returnLabel#1(lines 420 426) the Hoare annotation is: true [2022-12-13 19:09:32,695 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-12-13 19:09:32,695 INFO L899 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2022-12-13 19:09:32,695 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2022-12-13 19:09:32,695 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2022-12-13 19:09:32,695 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-12-13 19:09:32,695 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-12-13 19:09:32,695 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-12-13 19:09:32,695 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-12-13 19:09:32,696 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2022-12-13 19:09:32,696 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-12-13 19:09:32,699 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 19:09:32,701 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:09:32,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:09:32 BoogieIcfgContainer [2022-12-13 19:09:32,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:09:32,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:09:32,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:09:32,712 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:09:32,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:09:31" (3/4) ... [2022-12-13 19:09:32,715 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:09:32,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2022-12-13 19:09:32,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2022-12-13 19:09:32,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2022-12-13 19:09:32,725 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-12-13 19:09:32,725 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-13 19:09:32,725 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 19:09:32,726 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 19:09:32,726 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:09:32,726 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:09:32,770 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:09:32,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:09:32,770 INFO L158 Benchmark]: Toolchain (without parser) took 2485.29ms. Allocated memory is still 151.0MB. Free memory was 112.7MB in the beginning and 96.8MB in the end (delta: 15.9MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-12-13 19:09:32,771 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:09:32,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.30ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 94.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 19:09:32,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.66ms. Allocated memory is still 151.0MB. Free memory was 94.9MB in the beginning and 91.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:09:32,771 INFO L158 Benchmark]: Boogie Preprocessor took 34.60ms. Allocated memory is still 151.0MB. Free memory was 91.7MB in the beginning and 88.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:09:32,771 INFO L158 Benchmark]: RCFGBuilder took 588.79ms. Allocated memory is still 151.0MB. Free memory was 88.5MB in the beginning and 116.6MB in the end (delta: -28.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2022-12-13 19:09:32,772 INFO L158 Benchmark]: TraceAbstraction took 1479.27ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 104.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-12-13 19:09:32,772 INFO L158 Benchmark]: Witness Printer took 57.71ms. Allocated memory is still 151.0MB. Free memory was 104.2MB in the beginning and 96.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 19:09:32,773 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.30ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 94.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.66ms. Allocated memory is still 151.0MB. Free memory was 94.9MB in the beginning and 91.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.60ms. Allocated memory is still 151.0MB. Free memory was 91.7MB in the beginning and 88.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.79ms. Allocated memory is still 151.0MB. Free memory was 88.5MB in the beginning and 116.6MB in the end (delta: -28.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1479.27ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 104.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 57.71ms. Allocated memory is still 151.0MB. Free memory was 104.2MB in the beginning and 96.8MB in the end (delta: 7.4MB). 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: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 436 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 139 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 297 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 73 PreInvPairs, 105 NumberOfFragments, 28 HoareAnnotationTreeSize, 73 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 1 NumberOfNonLiveVariables, 854 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 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 <= Id_MCDC_103 RESULT: Ultimate proved your program to be correct! [2022-12-13 19:09:32,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea87d2a0-40f4-454f-a388-0f0b7b955e5d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE