./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/avg05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/avg05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ --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 02f02b7f59fc1c3b5c77751f648b2e92e85109b700d3d48af7999437b36b94ea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:11:58,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:11:58,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:11:58,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:11:58,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:11:58,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:11:58,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:11:58,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:11:58,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:11:58,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:11:58,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:11:58,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:11:58,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:11:58,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:11:58,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:11:58,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:11:58,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:11:58,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:11:58,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:11:58,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:11:58,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:11:58,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:11:58,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:11:58,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:11:58,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:11:58,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:11:58,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:11:58,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:11:58,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:11:58,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:11:58,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:11:58,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:11:58,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:11:58,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:11:58,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:11:58,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:11:58,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:11:58,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:11:58,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:11:58,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:11:58,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:11:58,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:11:58,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:11:58,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:11:58,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:11:58,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:11:58,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:11:58,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:11:58,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:11:58,304 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:11:58,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:11:58,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:11:58,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:11:58,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:11:58,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:11:58,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:11:58,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:11:58,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:11:58,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:11:58,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:11:58,313 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:11:58,314 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:11:58,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:11:58,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:11:58,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:11:58,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:11:58,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:11:58,315 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:11:58,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:11:58,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:11:58,316 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_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f02b7f59fc1c3b5c77751f648b2e92e85109b700d3d48af7999437b36b94ea [2021-11-23 01:11:58,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:11:58,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:11:58,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:11:58,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:11:58,633 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:11:58,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/reducercommutativity/avg05-1.i [2021-11-23 01:11:58,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/data/c4a07e44d/9dc0b96a00894c59a9e19bf72f6a98ad/FLAG343e76b1c [2021-11-23 01:11:59,261 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:11:59,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/sv-benchmarks/c/reducercommutativity/avg05-1.i [2021-11-23 01:11:59,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/data/c4a07e44d/9dc0b96a00894c59a9e19bf72f6a98ad/FLAG343e76b1c [2021-11-23 01:11:59,640 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/data/c4a07e44d/9dc0b96a00894c59a9e19bf72f6a98ad [2021-11-23 01:11:59,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:11:59,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:11:59,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:11:59,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:11:59,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:11:59,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffd6e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59, skipping insertion in model container [2021-11-23 01:11:59,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:11:59,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:11:59,835 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_8798075e-b414-4d7d-b21b-3366e89b433c/sv-benchmarks/c/reducercommutativity/avg05-1.i[1275,1288] [2021-11-23 01:11:59,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:11:59,845 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:11:59,884 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_8798075e-b414-4d7d-b21b-3366e89b433c/sv-benchmarks/c/reducercommutativity/avg05-1.i[1275,1288] [2021-11-23 01:11:59,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:11:59,897 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:11:59,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59 WrapperNode [2021-11-23 01:11:59,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:11:59,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:11:59,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:11:59,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:11:59,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,935 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2021-11-23 01:11:59,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:11:59,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:11:59,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:11:59,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:11:59,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:11:59,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:11:59,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:11:59,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:11:59,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:59" (1/1) ... [2021-11-23 01:11:59,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:11:59,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:11:59,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:12:00,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:12:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:12:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:12:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2021-11-23 01:12:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2021-11-23 01:12:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:12:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:12:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:12:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:12:00,121 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:12:00,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:12:00,286 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:12:00,318 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:12:00,318 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:12:00,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:00 BoogieIcfgContainer [2021-11-23 01:12:00,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:12:00,322 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:12:00,322 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:12:00,331 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:12:00,331 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:00" (1/1) ... [2021-11-23 01:12:00,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:12:00,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-23 01:12:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-23 01:12:00,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:12:00,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:00,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:00,653 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-23 01:12:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-23 01:12:00,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:12:00,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:00,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:12:00,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-23 01:12:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-23 01:12:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:12:00,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:00,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:12:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:01,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 01:12:01,009 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 01:12:01,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:12:01,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:01,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:12:01,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:01,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 01:12:01,130 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 01:12:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:12:01,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:01,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:12:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-23 01:12:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-23 01:12:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:12:01,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:01,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:01,310 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:12:01,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:01,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-23 01:12:01,366 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-23 01:12:01,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:12:01,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:01,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:12:01,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-23 01:12:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-23 01:12:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:12:01,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:01,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:12:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-23 01:12:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-23 01:12:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:12:01,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:01,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:12:02,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2021-11-23 01:12:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-23 01:12:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:12:02,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:02,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:12:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2021-11-23 01:12:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-11-23 01:12:02,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:12:02,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:02,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-23 01:12:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:02,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-23 01:12:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-23 01:12:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:12:02,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:02,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 01:12:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2021-11-23 01:12:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2021-11-23 01:12:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:12:02,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:02,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-23 01:12:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2021-11-23 01:12:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2021-11-23 01:12:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:12:02,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:02,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-23 01:12:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2021-11-23 01:12:02,934 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-11-23 01:12:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:12:02,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:02,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:24,631 WARN L227 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:12:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 2 proven. 174 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:13:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 71 transitions. [2021-11-23 01:13:01,774 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-11-23 01:13:01,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:13:01,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:01,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 16 proven. 91 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-23 01:13:03,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:03,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 30 transitions. [2021-11-23 01:13:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2021-11-23 01:13:03,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:13:03,008 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2021-11-23 01:13:03,017 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:13:03,957 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:13:03,965 INFO L560 CodeCheckObserver]: Invariant with dag size 91 [2021-11-23 01:13:03,994 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:13:03,994 INFO L560 CodeCheckObserver]: Invariant with dag size 71 [2021-11-23 01:13:04,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:13:04 ImpRootNode [2021-11-23 01:13:04,002 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:13:04,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:13:04,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:13:04,003 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:13:04,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:00" (3/4) ... [2021-11-23 01:13:04,006 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:13:04,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure avg [2021-11-23 01:13:04,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-23 01:13:04,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:13:04,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:13:04,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:13:04,095 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:13:04,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:13:04,096 INFO L158 Benchmark]: Toolchain (without parser) took 64451.64ms. Allocated memory was 96.5MB in the beginning and 331.4MB in the end (delta: 234.9MB). Free memory was 57.4MB in the beginning and 154.7MB in the end (delta: -97.4MB). Peak memory consumption was 139.1MB. Max. memory is 16.1GB. [2021-11-23 01:13:04,099 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:13:04,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.49ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 57.2MB in the beginning and 94.4MB in the end (delta: -37.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 01:13:04,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.46ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 94.1MB in the end (delta: 267.8kB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-23 01:13:04,102 INFO L158 Benchmark]: Boogie Preprocessor took 25.54ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 92.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:13:04,102 INFO L158 Benchmark]: RCFGBuilder took 358.23ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:13:04,103 INFO L158 Benchmark]: CodeCheck took 63680.30ms. Allocated memory was 117.4MB in the beginning and 331.4MB in the end (delta: 213.9MB). Free memory was 81.5MB in the beginning and 157.9MB in the end (delta: -76.4MB). Peak memory consumption was 138.2MB. Max. memory is 16.1GB. [2021-11-23 01:13:04,103 INFO L158 Benchmark]: Witness Printer took 93.07ms. Allocated memory is still 331.4MB. Free memory was 157.9MB in the beginning and 154.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:13:04,105 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 62.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 669 SdHoareTripleChecker+Valid, 8.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 224 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 621 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 987 IncrementalHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 621 mSolverCounterUnsat, 224 mSDtfsCounter, 987 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2895 GetRequests, 2683 SyntacticMatches, 27 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12984 ImplicationChecksByTransitivity, 42.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 33.9s InterpolantComputationTime, 520 NumberOfCodeBlocks, 520 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 504 ConstructedInterpolants, 0 QuantifiedInterpolants, 12755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 887/1322 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: 50]: 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: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((4 < i && ((1 <= x || x + 1 <= 0) || (ret <= unknown-#memory_int-unknown[x][12 + x] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][8 + x] + unknown-#memory_int-unknown[x][16 + x] && unknown-#memory_int-unknown[x][12 + x] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][8 + x] + unknown-#memory_int-unknown[x][16 + x] <= ret))) || (((((16 + x <= 4 * i + x && 3 < i) && ((1 <= x || x + 1 <= 0) || (unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][12 + x] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][8 + x] <= ret && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][12 + x] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][8 + x]))) && x == x) && 4 * i + x <= 16 + x) && i <= 4)) || (((((i <= 3 && 4 * i + x <= 12 + x) && x == x) && 2 < i) && 12 + x <= 4 * i + x) && ((1 <= x || x + 1 <= 0) || (unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][8 + x] <= ret && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][8 + x])))) || (((((x == x && 4 * i + x <= 8 + x) && i <= 2) && 1 < i) && 8 + x <= 4 * i + x) && (((unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] <= ret && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0]) || 1 <= x) || x + 1 <= 0))) || ((((x <= x && 0 == i) && x == x) && x <= x) && (ret == 0 || !(4 * i + x == 0)))) || (((((4 * i + x <= x + 4 && x == x) && 1 <= i) && i <= 1) && ((1 <= x || x + 1 <= 0) || (unknown-#memory_int-unknown[x][0] <= ret && ret <= unknown-#memory_int-unknown[x][0]))) && x + 4 <= 4 * i + x) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((0 <= unknown-#memory_int-unknown[x][4 + x] + 4294967296 + unknown-#memory_int-unknown[x][x] && i <= 2) && x == 0) && unknown-#memory_int-unknown[x][4 + x] + unknown-#memory_int-unknown[x][x] <= 4294967294) && 8 <= 4 * i + x) || ((((0 <= unknown-#memory_int-unknown[x][x] + 2147483648 && unknown-#memory_int-unknown[x][x] <= 2147483647) && x == 0) && 1 <= i) && 4 * i + x <= 4)) || ((((0 <= unknown-#memory_int-unknown[x][8 + x] + unknown-#memory_int-unknown[x][4 + x] + 8589934592 + unknown-#memory_int-unknown[x][12 + x] + unknown-#memory_int-unknown[x][x] && x == 0) && 16 <= 4 * i + x) && i <= 4) && unknown-#memory_int-unknown[x][8 + x] + unknown-#memory_int-unknown[x][4 + x] + unknown-#memory_int-unknown[x][12 + x] + unknown-#memory_int-unknown[x][x] <= 8589934588)) || ((((unknown-#memory_int-unknown[x][8 + x] + unknown-#memory_int-unknown[x][4 + x] + unknown-#memory_int-unknown[x][x] <= 6442450941 && x == 0) && i <= 3) && 3 <= i) && 0 <= unknown-#memory_int-unknown[x][8 + x] + unknown-#memory_int-unknown[x][4 + x] + unknown-#memory_int-unknown[x][x] + 6442450944)) || (((unknown-#memory_int-unknown[x][8 + x] + unknown-#memory_int-unknown[x][4 + x] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][12 + x] + unknown-#memory_int-unknown[x][x] <= 10737418235 && 4 < i) && x == 0) && 0 <= unknown-#memory_int-unknown[x][8 + x] + unknown-#memory_int-unknown[x][4 + x] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][12 + x] + 10737418240 + unknown-#memory_int-unknown[x][x])) || (i == 0 && x == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.49ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 57.2MB in the beginning and 94.4MB in the end (delta: -37.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.46ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 94.1MB in the end (delta: 267.8kB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.54ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 92.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.23ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 63680.30ms. Allocated memory was 117.4MB in the beginning and 331.4MB in the end (delta: 213.9MB). Free memory was 81.5MB in the beginning and 157.9MB in the end (delta: -76.4MB). Peak memory consumption was 138.2MB. Max. memory is 16.1GB. * Witness Printer took 93.07ms. Allocated memory is still 331.4MB. Free memory was 157.9MB in the beginning and 154.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:13:04,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8798075e-b414-4d7d-b21b-3366e89b433c/bin/ukojak-LBtLqBUTdQ/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