./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4412f873965d7271481a31165cef4693811ec350 .............................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:53:28,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:53:28,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:53:28,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:53:28,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:53:28,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:53:28,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:53:28,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:53:28,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:53:28,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:53:28,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:53:28,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:53:28,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:53:28,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:53:28,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:53:28,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:53:28,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:53:28,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:53:28,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:53:28,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:53:28,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:53:28,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:53:28,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:53:28,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:53:28,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:53:28,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:53:28,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:53:28,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:53:28,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:53:28,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:53:28,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:53:28,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:53:28,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:53:28,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:53:28,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:53:28,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:53:28,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:53:28,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:53:28,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:53:28,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:53:28,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:53:28,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-13 04:53:28,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:53:28,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:53:28,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:53:28,272 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:53:28,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:53:28,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:53:28,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:53:28,274 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:53:28,274 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:53:28,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:53:28,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:53:28,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:53:28,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:53:28,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:53:28,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:53:28,284 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:53:28,284 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:53:28,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:53:28,284 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:53:28,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:53:28,285 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:53:28,285 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:53:28,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:53:28,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:53:28,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:53:28,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:53:28,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:53:28,287 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:53:28,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:53:28,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:53:28,289 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_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4412f873965d7271481a31165cef4693811ec350 [2021-10-13 04:53:28,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:53:28,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:53:28,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:53:28,673 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:53:28,674 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:53:28,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-10-13 04:53:28,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/data/41dbf95b9/c13490cd72d54b5fa4bbb73dfdaea3e0/FLAGa549ccb1a [2021-10-13 04:53:29,461 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:53:29,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-10-13 04:53:29,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/data/41dbf95b9/c13490cd72d54b5fa4bbb73dfdaea3e0/FLAGa549ccb1a [2021-10-13 04:53:29,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/data/41dbf95b9/c13490cd72d54b5fa4bbb73dfdaea3e0 [2021-10-13 04:53:29,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:53:29,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:53:29,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:53:29,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:53:29,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:53:29,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:53:29" (1/1) ... [2021-10-13 04:53:29,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187ffaf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:29, skipping insertion in model container [2021-10-13 04:53:29,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:53:29" (1/1) ... [2021-10-13 04:53:29,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:53:29,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:53:30,119 WARN L228 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_2e090cf3-3a83-4196-b080-05e040dd2499/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-10-13 04:53:30,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:53:30,152 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:53:30,209 WARN L228 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_2e090cf3-3a83-4196-b080-05e040dd2499/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-10-13 04:53:30,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:53:30,229 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:53:30,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30 WrapperNode [2021-10-13 04:53:30,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:53:30,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:53:30,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:53:30,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:53:30,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30" (1/1) ... [2021-10-13 04:53:30,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30" (1/1) ... [2021-10-13 04:53:30,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:53:30,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:53:30,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:53:30,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:53:30,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30" (1/1) ... [2021-10-13 04:53:30,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30" (1/1) ... [2021-10-13 04:53:30,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30" (1/1) ... [2021-10-13 04:53:30,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30" (1/1) ... [2021-10-13 04:53:30,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30" (1/1) ... [2021-10-13 04:53:30,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30" (1/1) ... [2021-10-13 04:53:30,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30" (1/1) ... [2021-10-13 04:53:30,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:53:30,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:53:30,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:53:30,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:53:30,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:53:30" (1/1) ... [2021-10-13 04:53:30,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:53:30,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:53:30,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:53:30,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:53:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 04:53:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:53:30,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:53:30,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:53:30,652 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 04:53:31,211 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-13 04:53:31,211 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-13 04:53:31,612 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:53:31,612 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 04:53:31,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:53:31 BoogieIcfgContainer [2021-10-13 04:53:31,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:53:31,616 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:53:31,617 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:53:31,658 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:53:31,659 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:53:31" (1/1) ... [2021-10-13 04:53:31,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:53:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:53:31,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 112 states and 190 transitions. [2021-10-13 04:53:31,736 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2021-10-13 04:53:31,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:53:31,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:53:31,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:53:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:53:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:53:32,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:53:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 96 states and 166 transitions. [2021-10-13 04:53:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 166 transitions. [2021-10-13 04:53:32,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:53:32,028 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-10-13 04:53:32,036 INFO L759 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2021-10-13 04:53:32,120 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,125 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,125 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,125 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,125 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,126 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,126 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,126 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,126 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,126 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,127 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,127 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,127 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,128 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,128 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,128 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,129 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,129 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,129 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,129 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,130 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,130 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,130 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,130 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,131 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,131 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 04:53:32,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:53:32 ImpRootNode [2021-10-13 04:53:32,132 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:53:32,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:53:32,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:53:32,136 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:53:32,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:53:31" (3/4) ... [2021-10-13 04:53:32,141 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:53:32,177 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2021-10-13 04:53:32,179 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 04:53:32,180 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 04:53:32,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:53:32,359 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:53:32,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:53:32,362 INFO L168 Benchmark]: Toolchain (without parser) took 2606.56 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 72.8 MB in the beginning and 93.8 MB in the end (delta: -21.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:53:32,363 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 102.8 MB. Free memory is still 59.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:53:32,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.65 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 72.5 MB in the beginning and 115.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:53:32,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.44 ms. Allocated memory is still 144.7 MB. Free memory was 115.0 MB in the beginning and 112.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 04:53:32,364 INFO L168 Benchmark]: Boogie Preprocessor took 45.66 ms. Allocated memory is still 144.7 MB. Free memory was 112.1 MB in the beginning and 110.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:53:32,365 INFO L168 Benchmark]: RCFGBuilder took 1248.22 ms. Allocated memory is still 144.7 MB. Free memory was 110.0 MB in the beginning and 63.2 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:53:32,366 INFO L168 Benchmark]: CodeCheck took 515.96 ms. Allocated memory is still 144.7 MB. Free memory was 62.6 MB in the beginning and 103.1 MB in the end (delta: -40.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:53:32,366 INFO L168 Benchmark]: Witness Printer took 225.41 ms. Allocated memory is still 144.7 MB. Free memory was 103.1 MB in the beginning and 93.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:53:32,369 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 1 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 328.7ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 22 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 11.0ms SsaConstructionTime, 72.6ms SatisfiabilityAnalysisTime, 106.3ms InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 102.8 MB. Free memory is still 59.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 465.65 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 72.5 MB in the beginning and 115.0 MB in the end (delta: -42.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.44 ms. Allocated memory is still 144.7 MB. Free memory was 115.0 MB in the beginning and 112.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.66 ms. Allocated memory is still 144.7 MB. Free memory was 112.1 MB in the beginning and 110.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1248.22 ms. Allocated memory is still 144.7 MB. Free memory was 110.0 MB in the beginning and 63.2 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * CodeCheck took 515.96 ms. Allocated memory is still 144.7 MB. Free memory was 62.6 MB in the beginning and 103.1 MB in the end (delta: -40.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 225.41 ms. Allocated memory is still 144.7 MB. Free memory was 103.1 MB in the beginning and 93.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 04:53:32,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e090cf3-3a83-4196-b080-05e040dd2499/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...