./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak --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 04feb5c83918fd751a112898fdf968c7fd7558ae .......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:36:34,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:36:34,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:36:34,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:36:34,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:36:34,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:36:34,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:36:34,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:36:34,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:36:34,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:36:34,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:36:34,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:36:34,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:36:34,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:36:34,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:36:34,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:36:34,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:36:34,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:36:34,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:36:34,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:36:34,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:36:34,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:36:34,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:36:34,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:36:34,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:36:34,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:36:34,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:36:34,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:36:34,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:36:34,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:36:34,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:36:34,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:36:34,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:36:34,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:36:34,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:36:34,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:36:34,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:36:34,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:36:34,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:36:34,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:36:34,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:36:34,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-30 00:36:34,878 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:36:34,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:36:34,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:36:34,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:36:34,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:36:34,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:36:34,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:36:34,882 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:36:34,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:36:34,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:36:34,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:36:34,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:36:34,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:36:34,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:36:34,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:36:34,885 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 00:36:34,885 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:36:34,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:36:34,886 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:36:34,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:36:34,887 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:36:34,887 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:36:34,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:36:34,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:36:34,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:36:34,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:36:34,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:36:34,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:36:34,889 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:36:34,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:36:34,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:36:34,892 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-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04feb5c83918fd751a112898fdf968c7fd7558ae [2020-11-30 00:36:35,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:36:35,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:36:35,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:36:35,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:36:35,200 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:36:35,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-11-30 00:36:35,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/data/1a5d5f5df/502ca65599684d4887c2f350d90bff1a/FLAG67b212a57 [2020-11-30 00:36:35,828 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:36:35,829 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-11-30 00:36:35,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/data/1a5d5f5df/502ca65599684d4887c2f350d90bff1a/FLAG67b212a57 [2020-11-30 00:36:36,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/data/1a5d5f5df/502ca65599684d4887c2f350d90bff1a [2020-11-30 00:36:36,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:36:36,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:36:36,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:36:36,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:36:36,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:36:36,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426d2568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36, skipping insertion in model container [2020-11-30 00:36:36,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:36:36,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:36:36,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:36:36,598 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:36:36,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:36:36,739 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:36:36,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36 WrapperNode [2020-11-30 00:36:36,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:36:36,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:36:36,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:36:36,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:36:36,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:36:36,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:36:36,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:36:36,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:36:36,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36" (1/1) ... [2020-11-30 00:36:36,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:36:36,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:36:36,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:36:36,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:36:36,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:36:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:36:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:36:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:36:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:36:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:36:37,122 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:36:37,992 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-30 00:36:37,993 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-30 00:36:38,493 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:36:38,494 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:36:38,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:36:38 BoogieIcfgContainer [2020-11-30 00:36:38,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:36:38,498 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:36:38,498 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:36:38,512 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:36:38,513 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:36:38" (1/1) ... [2020-11-30 00:36:38,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:36:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 112 states and 190 transitions. [2020-11-30 00:36:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2020-11-30 00:36:38,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:36:38,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:36:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:36:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:36:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:36:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 96 states and 166 transitions. [2020-11-30 00:36:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 166 transitions. [2020-11-30 00:36:38,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:36:38,815 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2020-11-30 00:36:38,825 INFO L765 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2020-11-30 00:36:38,995 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,000 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,000 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,000 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,000 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,001 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,001 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,001 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,001 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,001 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,002 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,002 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,002 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,002 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,002 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,003 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,003 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,003 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,003 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,004 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,004 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,004 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,004 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,005 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,006 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,006 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:36:39,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:36:39 ImpRootNode [2020-11-30 00:36:39,007 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:36:39,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:36:39,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:36:39,012 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:36:39,013 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:36:38" (3/4) ... [2020-11-30 00:36:39,020 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:36:39,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2020-11-30 00:36:39,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:36:39,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:36:39,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:36:39,230 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6f77fde8-efab-4ee0-b22e-6c33012ab355/bin/ukojak/witness.graphml [2020-11-30 00:36:39,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:36:39,237 INFO L168 Benchmark]: Toolchain (without parser) took 3086.87 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 89.2 MB in the beginning and 111.3 MB in the end (delta: -22.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:39,238 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 77.6 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:36:39,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.30 ms. Allocated memory is still 121.6 MB. Free memory was 89.0 MB in the beginning and 94.2 MB in the end (delta: -5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:39,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.59 ms. Allocated memory is still 121.6 MB. Free memory was 94.2 MB in the beginning and 91.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:39,240 INFO L168 Benchmark]: Boogie Preprocessor took 77.34 ms. Allocated memory is still 121.6 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:36:39,240 INFO L168 Benchmark]: RCFGBuilder took 1605.56 ms. Allocated memory is still 121.6 MB. Free memory was 88.6 MB in the beginning and 61.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:39,241 INFO L168 Benchmark]: CodeCheck took 509.29 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 61.7 MB in the beginning and 121.8 MB in the end (delta: -60.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:39,241 INFO L168 Benchmark]: Witness Printer took 222.66 ms. Allocated memory is still 151.0 MB. Free memory was 121.8 MB in the beginning and 111.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:36:39,244 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. VerificationResult: SAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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: 269]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 269]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 266]: 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: 407]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 77.6 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 590.30 ms. Allocated memory is still 121.6 MB. Free memory was 89.0 MB in the beginning and 94.2 MB in the end (delta: -5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.59 ms. Allocated memory is still 121.6 MB. Free memory was 94.2 MB in the beginning and 91.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.34 ms. Allocated memory is still 121.6 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1605.56 ms. Allocated memory is still 121.6 MB. Free memory was 88.6 MB in the beginning and 61.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. * CodeCheck took 509.29 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 61.7 MB in the beginning and 121.8 MB in the end (delta: -60.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * Witness Printer took 222.66 ms. Allocated memory is still 151.0 MB. Free memory was 121.8 MB in the beginning and 111.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...