./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI --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 7fd757c5f0ffc97130fbf2ffab3363825f5b034ba202e55120163a97ab859a7b ...................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:23:05,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:23:05,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:23:05,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:23:05,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:23:05,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:23:05,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:23:05,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:23:05,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:23:05,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:23:05,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:23:05,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:23:05,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:23:05,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:23:05,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:23:05,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:23:05,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:23:05,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:23:05,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:23:05,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:23:05,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:23:05,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:23:05,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:23:05,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:23:05,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:23:05,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:23:05,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:23:05,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:23:05,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:23:05,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:23:05,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:23:05,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:23:05,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:23:05,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:23:05,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:23:05,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:23:05,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:23:05,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:23:05,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:23:05,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:23:05,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:23:05,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-29 03:23:05,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:23:05,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:23:05,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:23:05,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:23:05,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:23:05,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:23:05,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:23:05,605 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:23:05,606 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:23:05,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:23:05,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:23:05,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:23:05,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:23:05,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:23:05,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:23:05,607 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:23:05,607 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:23:05,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:23:05,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:23:05,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:23:05,608 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:23:05,608 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:23:05,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:23:05,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:23:05,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:23:05,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:23:05,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:23:05,609 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:23:05,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:23:05,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:23:05,610 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_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fd757c5f0ffc97130fbf2ffab3363825f5b034ba202e55120163a97ab859a7b [2021-10-29 03:23:05,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:23:05,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:23:05,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:23:05,878 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:23:05,879 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:23:05,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2021-10-29 03:23:05,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/data/7b3bf6ab8/45f8f61f02234b7cad2dceb0e091d79b/FLAGb7173e9b9 [2021-10-29 03:23:06,490 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:23:06,490 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2021-10-29 03:23:06,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/data/7b3bf6ab8/45f8f61f02234b7cad2dceb0e091d79b/FLAGb7173e9b9 [2021-10-29 03:23:06,838 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/data/7b3bf6ab8/45f8f61f02234b7cad2dceb0e091d79b [2021-10-29 03:23:06,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:23:06,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:23:06,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:23:06,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:23:06,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:23:06,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:23:06" (1/1) ... [2021-10-29 03:23:06,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54509967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:06, skipping insertion in model container [2021-10-29 03:23:06,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:23:06" (1/1) ... [2021-10-29 03:23:06,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:23:06,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:23:07,128 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_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c[37478,37491] [2021-10-29 03:23:07,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:23:07,150 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:23:07,210 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_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c[37478,37491] [2021-10-29 03:23:07,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:23:07,227 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:23:07,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07 WrapperNode [2021-10-29 03:23:07,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:23:07,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:23:07,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:23:07,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:23:07,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07" (1/1) ... [2021-10-29 03:23:07,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07" (1/1) ... [2021-10-29 03:23:07,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:23:07,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:23:07,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:23:07,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:23:07,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07" (1/1) ... [2021-10-29 03:23:07,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07" (1/1) ... [2021-10-29 03:23:07,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07" (1/1) ... [2021-10-29 03:23:07,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07" (1/1) ... [2021-10-29 03:23:07,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07" (1/1) ... [2021-10-29 03:23:07,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07" (1/1) ... [2021-10-29 03:23:07,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07" (1/1) ... [2021-10-29 03:23:07,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:23:07,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:23:07,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:23:07,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:23:07,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:07" (1/1) ... [2021-10-29 03:23:07,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:23:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:23:07,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:23:07,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:23:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:23:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:23:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:23:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:23:07,687 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-29 03:23:08,232 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-10-29 03:23:08,232 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-10-29 03:23:08,789 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:23:08,789 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:23:08,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:23:08 BoogieIcfgContainer [2021-10-29 03:23:08,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:23:08,793 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:23:08,793 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:23:08,804 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:23:08,805 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:23:08" (1/1) ... [2021-10-29 03:23:08,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:23:08,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 86 states and 147 transitions. [2021-10-29 03:23:08,862 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2021-10-29 03:23:08,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:23:08,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:08,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:09,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 88 states and 148 transitions. [2021-10-29 03:23:09,146 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 148 transitions. [2021-10-29 03:23:09,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:23:09,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:09,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:23:09,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 87 states and 147 transitions. [2021-10-29 03:23:09,319 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 147 transitions. [2021-10-29 03:23:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:23:09,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:09,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:23:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 86 states and 146 transitions. [2021-10-29 03:23:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 146 transitions. [2021-10-29 03:23:09,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:23:09,485 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-10-29 03:23:09,492 INFO L759 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-10-29 03:23:09,552 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,557 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,557 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,557 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,557 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,558 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,558 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,558 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,558 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,558 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,558 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,558 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,559 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,559 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,559 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,559 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,559 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,559 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,559 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,559 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:23:09,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:23:09 ImpRootNode [2021-10-29 03:23:09,560 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:23:09,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:23:09,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:23:09,561 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:23:09,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:23:08" (3/4) ... [2021-10-29 03:23:09,565 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:23:09,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-10-29 03:23:09,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:23:09,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:23:09,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:23:09,720 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:23:09,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:23:09,722 INFO L168 Benchmark]: Toolchain (without parser) took 2879.37 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 72.3 MB in the beginning and 55.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:09,723 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory is still 59.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:23:09,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.12 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 72.0 MB in the beginning and 96.0 MB in the end (delta: -24.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:09,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.88 ms. Allocated memory is still 125.8 MB. Free memory was 96.0 MB in the beginning and 93.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:09,725 INFO L168 Benchmark]: Boogie Preprocessor took 82.57 ms. Allocated memory is still 125.8 MB. Free memory was 93.7 MB in the beginning and 91.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:09,725 INFO L168 Benchmark]: RCFGBuilder took 1359.19 ms. Allocated memory is still 125.8 MB. Free memory was 91.7 MB in the beginning and 92.0 MB in the end (delta: -285.3 kB). Peak memory consumption was 52.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:09,726 INFO L168 Benchmark]: CodeCheck took 766.88 ms. Allocated memory is still 125.8 MB. Free memory was 92.0 MB in the beginning and 64.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:09,726 INFO L168 Benchmark]: Witness Printer took 159.57 ms. Allocated memory is still 125.8 MB. Free memory was 64.6 MB in the beginning and 55.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:23:09,729 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, 86 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 172 SDtfs, 14 SDslu, 8 SDs, 0 SdLazy, 62 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory is still 59.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.12 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 72.0 MB in the beginning and 96.0 MB in the end (delta: -24.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.88 ms. Allocated memory is still 125.8 MB. Free memory was 96.0 MB in the beginning and 93.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.57 ms. Allocated memory is still 125.8 MB. Free memory was 93.7 MB in the beginning and 91.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1359.19 ms. Allocated memory is still 125.8 MB. Free memory was 91.7 MB in the beginning and 92.0 MB in the end (delta: -285.3 kB). Peak memory consumption was 52.6 MB. Max. memory is 16.1 GB. * CodeCheck took 766.88 ms. Allocated memory is still 125.8 MB. Free memory was 92.0 MB in the beginning and 64.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 159.57 ms. Allocated memory is still 125.8 MB. Free memory was 64.6 MB in the beginning and 55.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:23:09,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fc541f7-c6d8-4ce6-90b2-9c5fea651519/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...