./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ --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 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:09:52,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:09:52,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:09:52,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:09:52,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:09:52,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:09:52,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:09:52,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:09:52,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:09:52,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:09:52,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:09:52,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:09:52,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:09:52,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:09:52,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:09:52,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:09:52,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:09:52,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:09:52,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:09:52,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:09:52,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:09:52,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:09:52,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:09:52,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:09:52,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:09:52,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:09:52,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:09:52,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:09:52,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:09:52,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:09:52,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:09:52,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:09:52,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:09:52,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:09:52,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:09:52,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:09:52,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:09:52,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:09:52,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:09:52,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:09:52,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:09:52,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 01:09:52,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:09:52,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:09:52,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:09:52,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:09:52,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:09:52,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:09:52,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:09:52,903 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:09:52,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:09:52,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:09:52,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:09:52,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:09:52,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:09:52,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:09:52,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:09:52,907 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:09:52,907 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:09:52,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:09:52,907 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:09:52,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:09:52,908 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:09:52,908 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:09:52,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:09:52,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:52,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:09:52,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:09:52,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:09:52,910 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:09:52,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:09:52,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:09:52,912 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_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dfc9f1e1cbceb1807370dcac22a0449d857eff9a54bdefbc84178983a910e84 [2021-11-23 01:09:53,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:09:53,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:09:53,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:09:53,228 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:09:53,229 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:09:53,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/bitvector/byte_add-1.i [2021-11-23 01:09:53,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/data/07d1a5d09/48d3c50d19a14bbbb28479af2d3a892d/FLAG7e41f52f5 [2021-11-23 01:09:53,835 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:09:53,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/sv-benchmarks/c/bitvector/byte_add-1.i [2021-11-23 01:09:53,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/data/07d1a5d09/48d3c50d19a14bbbb28479af2d3a892d/FLAG7e41f52f5 [2021-11-23 01:09:54,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/data/07d1a5d09/48d3c50d19a14bbbb28479af2d3a892d [2021-11-23 01:09:54,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:09:54,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:09:54,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:54,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:09:54,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:09:54,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e503858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54, skipping insertion in model container [2021-11-23 01:09:54,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:09:54,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:09:54,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2021-11-23 01:09:54,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:54,434 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:09:54,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/sv-benchmarks/c/bitvector/byte_add-1.i[1166,1179] [2021-11-23 01:09:54,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:54,483 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:09:54,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54 WrapperNode [2021-11-23 01:09:54,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:54,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:54,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:09:54,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:09:54,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,540 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 160 [2021-11-23 01:09:54,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:54,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:09:54,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:09:54,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:09:54,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:09:54,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:09:54,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:09:54,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:09:54,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:54" (1/1) ... [2021-11-23 01:09:54,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:54,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:09:54,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:09:54,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:09:54,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:09:54,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:09:54,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:09:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:09:54,723 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:09:54,725 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:09:55,015 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:09:55,105 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:09:55,105 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:09:55,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:55 BoogieIcfgContainer [2021-11-23 01:09:55,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:09:55,109 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:09:55,109 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:09:55,120 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:09:55,120 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:55" (1/1) ... [2021-11-23 01:09:55,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:09:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2021-11-23 01:09:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-23 01:09:55,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:09:55,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2021-11-23 01:09:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2021-11-23 01:09:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:09:55,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2021-11-23 01:09:55,445 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-23 01:09:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:09:55,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2021-11-23 01:09:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2021-11-23 01:09:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:09:55,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2021-11-23 01:09:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2021-11-23 01:09:55,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:09:55,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2021-11-23 01:09:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2021-11-23 01:09:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:09:55,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2021-11-23 01:09:55,643 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2021-11-23 01:09:55,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:09:55,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2021-11-23 01:09:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2021-11-23 01:09:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:09:55,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2021-11-23 01:09:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2021-11-23 01:09:55,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:09:55,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2021-11-23 01:09:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2021-11-23 01:09:55,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:09:55,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2021-11-23 01:09:55,844 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2021-11-23 01:09:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:09:55,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2021-11-23 01:09:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2021-11-23 01:09:55,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:09:55,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2021-11-23 01:09:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2021-11-23 01:09:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:09:55,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2021-11-23 01:09:55,940 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2021-11-23 01:09:55,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:09:55,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:55,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2021-11-23 01:09:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2021-11-23 01:09:55,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:09:55,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:55,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2021-11-23 01:09:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2021-11-23 01:09:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:09:56,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2021-11-23 01:09:56,041 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2021-11-23 01:09:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:09:56,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2021-11-23 01:09:56,070 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2021-11-23 01:09:56,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:09:56,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2021-11-23 01:09:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2021-11-23 01:09:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:09:56,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2021-11-23 01:09:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2021-11-23 01:09:56,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:09:56,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2021-11-23 01:09:56,183 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2021-11-23 01:09:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:09:56,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2021-11-23 01:09:56,212 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2021-11-23 01:09:56,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:09:56,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2021-11-23 01:09:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2021-11-23 01:09:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:09:56,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2021-11-23 01:09:56,282 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2021-11-23 01:09:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:09:56,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2021-11-23 01:09:56,311 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2021-11-23 01:09:56,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:09:56,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2021-11-23 01:09:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2021-11-23 01:09:56,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:09:56,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2021-11-23 01:09:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2021-11-23 01:09:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:09:56,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2021-11-23 01:09:56,413 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2021-11-23 01:09:56,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:09:56,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2021-11-23 01:09:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2021-11-23 01:09:56,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:09:56,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2021-11-23 01:09:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-11-23 01:09:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:09:56,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2021-11-23 01:09:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2021-11-23 01:09:56,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:09:56,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2021-11-23 01:09:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-11-23 01:09:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:09:56,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2021-11-23 01:09:56,538 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-11-23 01:09:56,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:09:56,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2021-11-23 01:09:56,560 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2021-11-23 01:09:56,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:09:56,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2021-11-23 01:09:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2021-11-23 01:09:56,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:09:56,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2021-11-23 01:09:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-11-23 01:09:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:09:56,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:56,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:56,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2021-11-23 01:09:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2021-11-23 01:09:56,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:09:56,640 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2021-11-23 01:09:56,654 INFO L754 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2021-11-23 01:09:56,703 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:09:56,708 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:09:56,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:09:56 ImpRootNode [2021-11-23 01:09:56,709 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:09:56,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:09:56,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:09:56,710 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:09:56,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:55" (3/4) ... [2021-11-23 01:09:56,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:09:56,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-23 01:09:56,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 01:09:56,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-23 01:09:56,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:09:56,828 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:09:56,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:09:56,829 INFO L158 Benchmark]: Toolchain (without parser) took 2644.56ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 72.7MB in the beginning and 58.8MB in the end (delta: 13.9MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:56,829 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 57.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:09:56,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.72ms. Allocated memory is still 104.9MB. Free memory was 72.4MB in the beginning and 78.0MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:09:56,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.42ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 75.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:56,830 INFO L158 Benchmark]: Boogie Preprocessor took 28.99ms. Allocated memory is still 104.9MB. Free memory was 75.9MB in the beginning and 74.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:56,831 INFO L158 Benchmark]: RCFGBuilder took 537.54ms. Allocated memory is still 104.9MB. Free memory was 74.6MB in the beginning and 57.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:09:56,831 INFO L158 Benchmark]: CodeCheck took 1599.58ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 57.0MB in the beginning and 63.9MB in the end (delta: -6.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-23 01:09:56,831 INFO L158 Benchmark]: Witness Printer took 118.92ms. Allocated memory is still 125.8MB. Free memory was 63.9MB in the beginning and 58.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:09:56,834 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, 95 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3708 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1548 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1548 mSDtfsCounter, 154 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2510 GetRequests, 2510 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, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 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: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 93]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 57.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.72ms. Allocated memory is still 104.9MB. Free memory was 72.4MB in the beginning and 78.0MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.42ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 75.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.99ms. Allocated memory is still 104.9MB. Free memory was 75.9MB in the beginning and 74.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.54ms. Allocated memory is still 104.9MB. Free memory was 74.6MB in the beginning and 57.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1599.58ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 57.0MB in the beginning and 63.9MB in the end (delta: -6.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 118.92ms. Allocated memory is still 125.8MB. Free memory was 63.9MB in the beginning and 58.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:09:56,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95860c1b-af15-4a5d-b17d-5d238bf4ca7d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE