./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92296dc205042e203e49a0f508dfdcdcae7c81ca61407e6509b5b78fafc04385 --- 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-dbf71c6-m [2022-10-17 16:34:12,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:34:12,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:34:12,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:34:12,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:34:12,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:34:12,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:34:12,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:34:12,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:34:12,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:34:12,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:34:12,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:34:12,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:34:12,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:34:12,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:34:12,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:34:12,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:34:12,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:34:12,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:34:12,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:34:12,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:34:12,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:34:12,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:34:12,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:34:12,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:34:12,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:34:12,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:34:12,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:34:12,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:34:12,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:34:12,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:34:12,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:34:12,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:34:12,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:34:12,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:34:12,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:34:12,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:34:12,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:34:12,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:34:12,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:34:12,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:34:12,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:34:12,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:34:12,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:34:12,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:34:12,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:34:12,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:34:12,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:34:12,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:34:12,355 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:34:12,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:34:12,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:34:12,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:34:12,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:34:12,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:34:12,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:34:12,357 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:34:12,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:34:12,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:34:12,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:34:12,358 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:34:12,359 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:34:12,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:34:12,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:12,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:34:12,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:34:12,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:34:12,360 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:34:12,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:34:12,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:34:12,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92296dc205042e203e49a0f508dfdcdcae7c81ca61407e6509b5b78fafc04385 [2022-10-17 16:34:12,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:34:12,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:34:12,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:34:12,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:34:12,651 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:34:12,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/while_infinite_loop_3.c [2022-10-17 16:34:12,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/data/1bf5e0308/8e8204d285604b638cd30a7c883418f3/FLAGa2f164b87 [2022-10-17 16:34:13,211 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:34:13,213 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/sv-benchmarks/c/loops/while_infinite_loop_3.c [2022-10-17 16:34:13,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/data/1bf5e0308/8e8204d285604b638cd30a7c883418f3/FLAGa2f164b87 [2022-10-17 16:34:13,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/data/1bf5e0308/8e8204d285604b638cd30a7c883418f3 [2022-10-17 16:34:13,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:34:13,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:34:13,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:13,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:34:13,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:34:13,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bac9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13, skipping insertion in model container [2022-10-17 16:34:13,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:34:13,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:34:13,792 WARN L230 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_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/sv-benchmarks/c/loops/while_infinite_loop_3.c[333,346] [2022-10-17 16:34:13,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:13,816 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:34:13,830 WARN L230 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_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/sv-benchmarks/c/loops/while_infinite_loop_3.c[333,346] [2022-10-17 16:34:13,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:13,846 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:34:13,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13 WrapperNode [2022-10-17 16:34:13,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:13,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:13,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:34:13,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:34:13,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,885 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2022-10-17 16:34:13,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:13,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:34:13,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:34:13,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:34:13,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,914 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:34:13,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:34:13,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:34:13,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:34:13,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:13" (1/1) ... [2022-10-17 16:34:13,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:13,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:34:13,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:34:13,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:34:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:34:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:34:14,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:34:14,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:34:14,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:34:14,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:34:14,092 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:34:14,095 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:34:14,218 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:34:14,246 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:34:14,247 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:34:14,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:14 BoogieIcfgContainer [2022-10-17 16:34:14,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:34:14,251 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:34:14,251 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:34:14,260 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:34:14,260 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:14" (1/1) ... [2022-10-17 16:34:14,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:34:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 16:34:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 16:34:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:34:14,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:14,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:14,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 7 transitions. [2022-10-17 16:34:14,663 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-10-17 16:34:14,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:34:14,663 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2022-10-17 16:34:14,673 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:34:14,687 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:34:14,691 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:34:14,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:34:14 ImpRootNode [2022-10-17 16:34:14,691 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:34:14,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:34:14,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:34:14,693 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:34:14,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:14" (3/4) ... [2022-10-17 16:34:14,697 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:34:14,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 16:34:14,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-10-17 16:34:14,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:34:14,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:34:14,709 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:34:14,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:34:14,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:34:14,752 INFO L158 Benchmark]: Toolchain (without parser) took 1168.49ms. Allocated memory is still 109.1MB. Free memory was 72.9MB in the beginning and 53.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-10-17 16:34:14,753 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:34:14,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.11ms. Allocated memory is still 109.1MB. Free memory was 72.7MB in the beginning and 84.1MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:34:14,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.21ms. Allocated memory is still 109.1MB. Free memory was 84.1MB in the beginning and 82.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:34:14,756 INFO L158 Benchmark]: Boogie Preprocessor took 34.36ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:34:14,757 INFO L158 Benchmark]: RCFGBuilder took 327.57ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 72.2MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:34:14,758 INFO L158 Benchmark]: CodeCheck took 440.53ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 55.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:34:14,759 INFO L158 Benchmark]: Witness Printer took 58.65ms. Allocated memory is still 109.1MB. Free memory was 55.8MB in the beginning and 53.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:34:14,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 6 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.11ms. Allocated memory is still 109.1MB. Free memory was 72.7MB in the beginning and 84.1MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.21ms. Allocated memory is still 109.1MB. Free memory was 84.1MB in the beginning and 82.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.36ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.57ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 72.2MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 440.53ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 55.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 58.65ms. Allocated memory is still 109.1MB. Free memory was 55.8MB in the beginning and 53.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:34:14,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110eaa87-1fc4-4aff-a96b-44ed0eac9f45/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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