./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sum05-2.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_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/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_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sum05-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/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_a73867b0-921c-4ca5-9e24-eab373ae9a56/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 11bff2dc480380b1206bedd51506b0437b9af4529e78b5beefb811437146f17f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:09:04,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:09:04,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:09:04,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:09:04,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:09:05,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:09:05,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:09:05,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:09:05,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:09:05,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:09:05,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:09:05,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:09:05,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:09:05,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:09:05,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:09:05,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:09:05,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:09:05,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:09:05,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:09:05,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:09:05,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:09:05,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:09:05,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:09:05,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:09:05,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:09:05,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:09:05,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:09:05,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:09:05,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:09:05,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:09:05,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:09:05,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:09:05,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:09:05,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:09:05,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:09:05,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:09:05,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:09:05,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:09:05,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:09:05,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:09:05,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:09:05,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:09:05,116 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:09:05,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:09:05,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:09:05,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:09:05,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:09:05,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:09:05,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:09:05,119 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:09:05,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:09:05,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:09:05,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:09:05,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:09:05,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:09:05,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:09:05,120 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:09:05,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:09:05,121 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:09:05,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:09:05,121 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:09:05,121 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:09:05,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:09:05,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:05,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:09:05,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:09:05,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:09:05,123 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:09:05,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:09:05,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:09:05,123 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_a73867b0-921c-4ca5-9e24-eab373ae9a56/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11bff2dc480380b1206bedd51506b0437b9af4529e78b5beefb811437146f17f [2021-11-22 23:09:05,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:09:05,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:09:05,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:09:05,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:09:05,432 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:09:05,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/reducercommutativity/sum05-2.i [2021-11-22 23:09:05,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/data/689d6f293/bf16d6c36b944d7dac1cba8bd013d32c/FLAGd1726b674 [2021-11-22 23:09:05,981 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:09:05,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/sv-benchmarks/c/reducercommutativity/sum05-2.i [2021-11-22 23:09:05,988 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/data/689d6f293/bf16d6c36b944d7dac1cba8bd013d32c/FLAGd1726b674 [2021-11-22 23:09:06,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/data/689d6f293/bf16d6c36b944d7dac1cba8bd013d32c [2021-11-22 23:09:06,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:09:06,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:09:06,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:06,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:09:06,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:09:06,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d68ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06, skipping insertion in model container [2021-11-22 23:09:06,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:09:06,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:09:06,249 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_a73867b0-921c-4ca5-9e24-eab373ae9a56/sv-benchmarks/c/reducercommutativity/sum05-2.i[1271,1284] [2021-11-22 23:09:06,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:06,260 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:09:06,285 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_a73867b0-921c-4ca5-9e24-eab373ae9a56/sv-benchmarks/c/reducercommutativity/sum05-2.i[1271,1284] [2021-11-22 23:09:06,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:06,299 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:09:06,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06 WrapperNode [2021-11-22 23:09:06,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:06,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:06,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:09:06,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:09:06,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,336 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2021-11-22 23:09:06,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:06,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:09:06,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:09:06,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:09:06,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:09:06,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:09:06,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:09:06,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:09:06,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:06,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:09:06,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:09:06,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:09:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:09:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-11-22 23:09:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-11-22 23:09:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:09:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:09:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:09:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:09:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:09:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:09:06,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:09:06,533 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:09:06,534 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:09:06,687 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:09:06,719 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:09:06,720 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:09:06,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:06 BoogieIcfgContainer [2021-11-22 23:09:06,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:09:06,742 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:09:06,742 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:09:06,752 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:09:06,767 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:06" (1/1) ... [2021-11-22 23:09:06,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:09:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:06,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-22 23:09:06,844 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-22 23:09:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:09:06,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:06,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:09:07,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-22 23:09:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-22 23:09:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:09:07,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:07,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:09:07,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:07,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-22 23:09:07,250 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-22 23:09:07,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:09:07,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:07,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:09:07,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-22 23:09:07,391 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-22 23:09:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:09:07,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:07,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:09:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-22 23:09:07,560 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-22 23:09:07,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:09:07,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:07,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:09:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-22 23:09:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-22 23:09:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:09:07,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:07,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:09:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-22 23:09:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-22 23:09:07,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:09:07,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:07,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:09:08,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:08,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-22 23:09:08,033 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-22 23:09:08,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:09:08,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:08,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:09:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-22 23:09:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-22 23:09:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:09:08,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:08,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:09:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:08,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2021-11-22 23:09:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-22 23:09:08,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:09:08,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:08,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-22 23:09:08,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2021-11-22 23:09:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-11-22 23:09:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:09:08,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:08,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-22 23:09:08,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:08,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-22 23:09:08,678 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-22 23:09:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:09:08,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:08,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:08,778 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-22 23:09:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:08,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2021-11-22 23:09:08,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2021-11-22 23:09:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:09:08,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:08,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-22 23:09:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:09,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2021-11-22 23:09:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2021-11-22 23:09:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:09:09,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:09,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-22 23:09:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2021-11-22 23:09:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-11-22 23:09:09,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:09:09,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:09,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 4 proven. 168 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:09:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 70 transitions. [2021-11-22 23:09:26,567 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-11-22 23:09:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:09:26,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:26,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:26,802 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 16 proven. 91 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-22 23:09:27,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:27,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 30 transitions. [2021-11-22 23:09:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2021-11-22 23:09:27,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:09:27,502 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2021-11-22 23:09:27,511 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:09:27,742 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:09:27,746 INFO L560 CodeCheckObserver]: Invariant with dag size 92 [2021-11-22 23:09:27,769 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:09:27,769 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2021-11-22 23:09:27,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:09:27 ImpRootNode [2021-11-22 23:09:27,771 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:09:27,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:09:27,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:09:27,772 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:09:27,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:06" (3/4) ... [2021-11-22 23:09:27,775 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:09:27,781 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2021-11-22 23:09:27,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-22 23:09:27,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-22 23:09:27,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-22 23:09:27,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:09:27,837 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:09:27,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:09:27,839 INFO L158 Benchmark]: Toolchain (without parser) took 21826.82ms. Allocated memory was 107.0MB in the beginning and 205.5MB in the end (delta: 98.6MB). Free memory was 74.2MB in the beginning and 109.6MB in the end (delta: -35.4MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2021-11-22 23:09:27,839 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:09:27,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.76ms. Allocated memory is still 107.0MB. Free memory was 73.9MB in the beginning and 81.1MB in the end (delta: -7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 23:09:27,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.55ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 79.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:09:27,841 INFO L158 Benchmark]: Boogie Preprocessor took 24.80ms. Allocated memory is still 107.0MB. Free memory was 79.6MB in the beginning and 78.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:09:27,842 INFO L158 Benchmark]: RCFGBuilder took 367.61ms. Allocated memory is still 107.0MB. Free memory was 78.2MB in the beginning and 66.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:09:27,843 INFO L158 Benchmark]: CodeCheck took 21028.69ms. Allocated memory was 107.0MB in the beginning and 205.5MB in the end (delta: 98.6MB). Free memory was 66.8MB in the beginning and 112.7MB in the end (delta: -45.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2021-11-22 23:09:27,843 INFO L158 Benchmark]: Witness Printer took 66.54ms. Allocated memory is still 205.5MB. Free memory was 112.7MB in the beginning and 109.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:09:27,847 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: 20.7s, 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, 665 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 224 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 631 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 973 IncrementalHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 631 mSolverCounterUnsat, 224 mSDtfsCounter, 973 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2875 GetRequests, 2674 SyntacticMatches, 26 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12174 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 520 NumberOfCodeBlocks, 520 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 504 ConstructedInterpolants, 0 QuantifiedInterpolants, 4383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 893/1322 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: ((((((((x + 4 <= x + 4 * i && i <= 1) && 1 <= i) && ((((unknown-#memory_int-unknown[x][0] <= ret && x == x) && ret <= unknown-#memory_int-unknown[x][0]) || 1 <= x) || x + 1 <= 0)) && x + 4 * i <= x + 4) || ((((1 < i && i <= 2) && x + 8 <= x + 4 * i) && ((1 <= x || x + 1 <= 0) || ((ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] <= ret) && x == x))) && x + 4 * i <= x + 8)) || ((((1 <= x || x + 1 <= 0) || ((((unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12] <= ret && x + 4 * i <= 16 + x) && x == x) && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12]) && 16 + x <= x + 4 * i)) && 3 < i) && i <= 4)) || (((x <= x && i == 0) && (!(x + 4 * i == 0) || (ret == 0 && x == x))) && x <= x)) || (4 < i && ((1 <= x || x + 1 <= 0) || (unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x + 8] <= ret && ret <= unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x + 8])))) || ((i <= 3 && ((1 <= x || x + 1 <= 0) || ((((x + 12 <= x + 4 * i && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] <= ret) && x == x) && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8]) && x + 4 * i <= x + 12))) && 2 < i) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (x == 0 && 1 <= i) || (i == 0 && x == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.76ms. Allocated memory is still 107.0MB. Free memory was 73.9MB in the beginning and 81.1MB in the end (delta: -7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.55ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 79.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.80ms. Allocated memory is still 107.0MB. Free memory was 79.6MB in the beginning and 78.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.61ms. Allocated memory is still 107.0MB. Free memory was 78.2MB in the beginning and 66.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 21028.69ms. Allocated memory was 107.0MB in the beginning and 205.5MB in the end (delta: 98.6MB). Free memory was 66.8MB in the beginning and 112.7MB in the end (delta: -45.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Witness Printer took 66.54ms. Allocated memory is still 205.5MB. Free memory was 112.7MB in the beginning and 109.6MB 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! [2021-11-22 23:09:27,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a73867b0-921c-4ca5-9e24-eab373ae9a56/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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