./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/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_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/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_42f77594-1348-4914-a02a-65b6e322c977/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_42f77594-1348-4914-a02a-65b6e322c977/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 9706e6f03a7a08ee2ace68e27b9d145a84eb01747db13487f9afd6047dbef73b .............................................................................................................................................................................................................................................................................................................. 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 03:06:27,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:06:27,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:06:27,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:06:27,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:06:27,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:06:27,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:06:27,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:06:27,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:06:27,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:06:27,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:06:27,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:06:27,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:06:27,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:06:27,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:06:27,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:06:27,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:06:27,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:06:27,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:06:27,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:06:27,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:06:27,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:06:27,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:06:27,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:06:27,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:06:27,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:06:27,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:06:27,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:06:27,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:06:27,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:06:27,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:06:27,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:06:27,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:06:27,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:06:27,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:06:27,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:06:27,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:06:27,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:06:27,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:06:27,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:06:27,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:06:27,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-29 03:06:27,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:06:27,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:06:27,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:06:27,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:06:27,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:06:27,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:06:27,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:06:27,749 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:06:27,753 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:06:27,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:06:27,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:06:27,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:06:27,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:06:27,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:06:27,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:06:27,756 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:06:27,756 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:06:27,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:06:27,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:06:27,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:06:27,757 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:06:27,758 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:06:27,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:06:27,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:06:27,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:06:27,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:06:27,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:06:27,759 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:06:27,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:06:27,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:06:27,760 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_42f77594-1348-4914-a02a-65b6e322c977/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9706e6f03a7a08ee2ace68e27b9d145a84eb01747db13487f9afd6047dbef73b [2021-10-29 03:06:28,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:06:28,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:06:28,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:06:28,138 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:06:28,138 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:06:28,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-10-29 03:06:28,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/data/54a87381c/5da9d21035034c4696593b338cd30036/FLAG91ddf9fa4 [2021-10-29 03:06:28,779 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:06:28,779 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-10-29 03:06:28,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/data/54a87381c/5da9d21035034c4696593b338cd30036/FLAG91ddf9fa4 [2021-10-29 03:06:29,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/data/54a87381c/5da9d21035034c4696593b338cd30036 [2021-10-29 03:06:29,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:06:29,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:06:29,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:06:29,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:06:29,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:06:29,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393d41fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29, skipping insertion in model container [2021-10-29 03:06:29,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:06:29,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:06:29,458 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_42f77594-1348-4914-a02a-65b6e322c977/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-10-29 03:06:29,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:06:29,487 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:06:29,574 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_42f77594-1348-4914-a02a-65b6e322c977/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-10-29 03:06:29,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:06:29,591 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:06:29,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29 WrapperNode [2021-10-29 03:06:29,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:06:29,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:06:29,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:06:29,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:06:29,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:06:29,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:06:29,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:06:29,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:06:29,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:06:29,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:06:29,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:06:29,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:06:29,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:29" (1/1) ... [2021-10-29 03:06:29,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:06:29,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:06:29,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:06:29,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:06:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:06:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:06:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:06:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:06:30,032 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-29 03:06:30,512 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-29 03:06:30,513 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-29 03:06:30,897 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:06:30,897 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:06:30,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:30 BoogieIcfgContainer [2021-10-29 03:06:30,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:06:30,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:06:30,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:06:30,912 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:06:30,913 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:30" (1/1) ... [2021-10-29 03:06:30,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:06:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 112 states and 190 transitions. [2021-10-29 03:06:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2021-10-29 03:06:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:06:30,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:30,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:31,187 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 03:06:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:31,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 96 states and 166 transitions. [2021-10-29 03:06:31,197 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 166 transitions. [2021-10-29 03:06:31,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:06:31,201 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-10-29 03:06:31,207 INFO L759 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2021-10-29 03:06:31,291 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,295 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,296 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,296 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,296 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,296 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,296 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,297 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,297 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,297 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,298 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,298 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,298 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,298 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,298 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,299 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,299 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,299 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,299 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,300 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,300 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,300 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,301 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,301 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,301 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,302 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:06:31,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:06:31 ImpRootNode [2021-10-29 03:06:31,302 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:06:31,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:06:31,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:06:31,305 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:06:31,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:30" (3/4) ... [2021-10-29 03:06:31,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:06:31,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2021-10-29 03:06:31,348 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:06:31,349 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:06:31,350 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:06:31,503 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:06:31,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:06:31,506 INFO L168 Benchmark]: Toolchain (without parser) took 2371.90 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 59.2 MB in the beginning and 87.0 MB in the end (delta: -27.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:31,506 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 67.6 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:06:31,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.56 ms. Allocated memory is still 94.4 MB. Free memory was 58.9 MB in the beginning and 65.1 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:31,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.06 ms. Allocated memory is still 94.4 MB. Free memory was 65.1 MB in the beginning and 62.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:31,508 INFO L168 Benchmark]: Boogie Preprocessor took 80.98 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 60.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:31,508 INFO L168 Benchmark]: RCFGBuilder took 1151.34 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 60.0 MB in the beginning and 73.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:31,509 INFO L168 Benchmark]: CodeCheck took 401.38 ms. Allocated memory is still 121.6 MB. Free memory was 73.7 MB in the beginning and 57.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:31,509 INFO L168 Benchmark]: Witness Printer took 200.22 ms. Allocated memory is still 121.6 MB. Free memory was 57.5 MB in the beginning and 87.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:31,512 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: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s 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, 0.0s 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 0.29 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 67.6 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 456.56 ms. Allocated memory is still 94.4 MB. Free memory was 58.9 MB in the beginning and 65.1 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.06 ms. Allocated memory is still 94.4 MB. Free memory was 65.1 MB in the beginning and 62.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.98 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 60.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1151.34 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 60.0 MB in the beginning and 73.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * CodeCheck took 401.38 ms. Allocated memory is still 121.6 MB. Free memory was 73.7 MB in the beginning and 57.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 200.22 ms. Allocated memory is still 121.6 MB. Free memory was 57.5 MB in the beginning and 87.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:06:31,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f77594-1348-4914-a02a-65b6e322c977/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...