./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 409f93cc3fb27e0335e986593862ddeb482b815c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:29:53,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:29:53,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:29:53,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:29:53,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:29:53,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:29:53,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:29:53,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:29:53,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:29:53,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:29:53,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:29:53,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:29:53,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:29:53,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:29:53,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:29:53,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:29:53,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:29:54,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:29:54,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:29:54,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:29:54,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:29:54,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:29:54,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:29:54,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:29:54,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:29:54,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:29:54,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:29:54,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:29:54,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:29:54,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:29:54,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:29:54,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:29:54,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:29:54,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:29:54,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:29:54,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:29:54,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:29:54,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:29:54,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:29:54,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:29:54,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:29:54,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-13 03:29:54,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:29:54,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:29:54,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:29:54,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:29:54,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:29:54,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:29:54,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:29:54,081 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:29:54,088 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 03:29:54,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:29:54,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:29:54,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:29:54,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:29:54,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:29:54,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:29:54,090 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 03:29:54,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:29:54,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:29:54,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:29:54,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:29:54,091 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:29:54,091 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:29:54,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:29:54,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:29:54,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:29:54,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:29:54,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:29:54,093 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:29:54,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:29:54,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:29:54,095 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_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 409f93cc3fb27e0335e986593862ddeb482b815c [2021-10-13 03:29:54,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:29:54,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:29:54,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:29:54,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:29:54,418 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:29:54,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/bitvector/byte_add-1.i [2021-10-13 03:29:54,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/data/37ef40895/fef00cb483814744ae1bc19b9ab75122/FLAGc018b1ae3 [2021-10-13 03:29:54,949 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:29:54,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/sv-benchmarks/c/bitvector/byte_add-1.i [2021-10-13 03:29:54,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/data/37ef40895/fef00cb483814744ae1bc19b9ab75122/FLAGc018b1ae3 [2021-10-13 03:29:55,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/data/37ef40895/fef00cb483814744ae1bc19b9ab75122 [2021-10-13 03:29:55,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:29:55,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:29:55,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:29:55,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:29:55,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:29:55,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff51053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55, skipping insertion in model container [2021-10-13 03:29:55,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:29:55,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:29:55,511 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/sv-benchmarks/c/bitvector/byte_add-1.i[861,874] [2021-10-13 03:29:55,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:29:55,560 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:29:55,572 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/sv-benchmarks/c/bitvector/byte_add-1.i[861,874] [2021-10-13 03:29:55,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:29:55,609 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:29:55,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55 WrapperNode [2021-10-13 03:29:55,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:29:55,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:29:55,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:29:55,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:29:55,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:29:55,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:29:55,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:29:55,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:29:55,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:29:55,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:29:55,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:29:55,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:29:55,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:55" (1/1) ... [2021-10-13 03:29:55,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:29:55,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:29:55,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:29:55,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:29:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:29:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:29:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:29:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:29:56,377 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:29:56,377 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 03:29:56,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:29:56 BoogieIcfgContainer [2021-10-13 03:29:56,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:29:56,381 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:29:56,381 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:29:56,394 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:29:56,394 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:29:56" (1/1) ... [2021-10-13 03:29:56,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:29:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2021-10-13 03:29:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-10-13 03:29:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 03:29:56,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:56,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:56,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:56,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2021-10-13 03:29:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2021-10-13 03:29:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 03:29:56,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:56,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:56,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2021-10-13 03:29:56,624 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-10-13 03:29:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:29:56,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:56,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:56,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:56,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:56,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2021-10-13 03:29:56,672 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2021-10-13 03:29:56,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:29:56,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:56,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2021-10-13 03:29:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2021-10-13 03:29:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:29:56,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:56,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2021-10-13 03:29:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2021-10-13 03:29:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 03:29:56,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:56,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:56,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2021-10-13 03:29:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2021-10-13 03:29:56,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:29:56,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:56,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:56,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2021-10-13 03:29:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2021-10-13 03:29:56,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:29:56,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:56,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2021-10-13 03:29:56,993 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2021-10-13 03:29:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:29:56,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:56,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2021-10-13 03:29:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2021-10-13 03:29:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:29:57,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2021-10-13 03:29:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2021-10-13 03:29:57,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:29:57,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2021-10-13 03:29:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2021-10-13 03:29:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:29:57,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2021-10-13 03:29:57,197 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2021-10-13 03:29:57,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:29:57,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2021-10-13 03:29:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2021-10-13 03:29:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:29:57,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2021-10-13 03:29:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2021-10-13 03:29:57,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:29:57,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2021-10-13 03:29:57,300 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2021-10-13 03:29:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:29:57,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2021-10-13 03:29:57,342 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2021-10-13 03:29:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:29:57,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2021-10-13 03:29:57,371 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2021-10-13 03:29:57,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:29:57,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2021-10-13 03:29:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2021-10-13 03:29:57,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:29:57,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2021-10-13 03:29:57,439 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2021-10-13 03:29:57,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:29:57,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2021-10-13 03:29:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2021-10-13 03:29:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:29:57,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2021-10-13 03:29:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2021-10-13 03:29:57,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:29:57,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2021-10-13 03:29:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2021-10-13 03:29:57,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:29:57,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2021-10-13 03:29:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2021-10-13 03:29:57,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:29:57,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2021-10-13 03:29:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2021-10-13 03:29:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:29:57,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2021-10-13 03:29:57,579 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2021-10-13 03:29:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:29:57,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2021-10-13 03:29:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2021-10-13 03:29:57,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:29:57,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2021-10-13 03:29:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2021-10-13 03:29:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:29:57,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2021-10-13 03:29:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2021-10-13 03:29:57,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:29:57,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2021-10-13 03:29:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-10-13 03:29:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:29:57,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2021-10-13 03:29:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2021-10-13 03:29:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:29:57,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2021-10-13 03:29:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-10-13 03:29:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:29:57,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2021-10-13 03:29:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-10-13 03:29:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:29:57,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2021-10-13 03:29:57,797 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2021-10-13 03:29:57,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:29:57,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2021-10-13 03:29:57,814 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2021-10-13 03:29:57,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:29:57,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2021-10-13 03:29:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-10-13 03:29:57,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:29:57,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:29:57,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:29:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:29:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:29:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:29:57,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2021-10-13 03:29:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2021-10-13 03:29:57,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 03:29:57,867 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2021-10-13 03:29:57,877 INFO L759 CodeCheckObserver]: All specifications hold 36 specifications checked. All of them hold [2021-10-13 03:29:57,947 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:29:57,951 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:29:57,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:29:57 ImpRootNode [2021-10-13 03:29:57,951 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:29:57,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:29:57,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:29:57,952 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:29:57,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:29:56" (3/4) ... [2021-10-13 03:29:57,955 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 03:29:57,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-13 03:29:57,973 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 03:29:57,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 03:29:57,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:29:58,075 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:29:58,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:29:58,077 INFO L168 Benchmark]: Toolchain (without parser) took 2755.51 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 88.3 MB in the beginning and 97.0 MB in the end (delta: -8.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:29:58,077 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:29:58,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.71 ms. Allocated memory is still 125.8 MB. Free memory was 88.0 MB in the beginning and 98.8 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:29:58,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.30 ms. Allocated memory is still 125.8 MB. Free memory was 98.3 MB in the beginning and 96.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:29:58,079 INFO L168 Benchmark]: Boogie Preprocessor took 27.17 ms. Allocated memory is still 125.8 MB. Free memory was 96.5 MB in the beginning and 95.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:29:58,079 INFO L168 Benchmark]: RCFGBuilder took 679.04 ms. Allocated memory is still 125.8 MB. Free memory was 95.1 MB in the beginning and 73.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 03:29:58,079 INFO L168 Benchmark]: CodeCheck took 1570.47 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 73.1 MB in the beginning and 102.1 MB in the end (delta: -29.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:29:58,080 INFO L168 Benchmark]: Witness Printer took 123.15 ms. Allocated memory is still 151.0 MB. Free memory was 102.1 MB in the beginning and 97.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 03:29:58,082 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: 1455.8ms, OverallIterations: 37, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: -1344983264 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2510 GetRequests, 2510 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 67.1ms SsaConstructionTime, 350.6ms SatisfiabilityAnalysisTime, 601.9ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: 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: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: 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: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: 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: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 288.71 ms. Allocated memory is still 125.8 MB. Free memory was 88.0 MB in the beginning and 98.8 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.30 ms. Allocated memory is still 125.8 MB. Free memory was 98.3 MB in the beginning and 96.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.17 ms. Allocated memory is still 125.8 MB. Free memory was 96.5 MB in the beginning and 95.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 679.04 ms. Allocated memory is still 125.8 MB. Free memory was 95.1 MB in the beginning and 73.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 1570.47 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 73.1 MB in the beginning and 102.1 MB in the end (delta: -29.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 123.15 ms. Allocated memory is still 151.0 MB. Free memory was 102.1 MB in the beginning and 97.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 03:29:58,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3932973-2bd7-486a-84c2-082784e25086/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...