./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Swingers.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Swingers.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ --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 64bit --witnessprinter.graph.data.programhash 5255c645b81d71ec22a6f16f291eb82db3a98401495220a0b410dfa7eea5b30a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:29:46,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:29:46,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:29:46,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:29:46,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:29:46,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:29:46,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:29:46,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:29:46,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:29:46,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:29:46,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:29:46,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:29:46,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:29:46,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:29:46,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:29:46,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:29:46,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:29:46,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:29:46,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:29:46,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:29:46,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:29:46,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:29:46,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:29:46,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:29:46,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:29:46,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:29:46,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:29:46,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:29:46,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:29:46,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:29:46,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:29:46,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:29:46,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:29:46,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:29:46,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:29:46,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:29:46,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:29:46,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:29:46,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:29:46,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:29:46,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:29:46,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:29:46,842 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:29:46,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:29:46,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:29:46,844 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:29:46,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:29:46,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:29:46,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:29:46,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:29:46,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:29:46,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:29:46,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:29:46,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:29:46,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:29:46,848 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:29:46,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:29:46,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:29:46,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:29:46,849 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:29:46,849 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:29:46,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:29:46,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:29:46,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:29:46,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:29:46,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:29:46,851 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:29:46,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:29:46,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:29:46,852 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_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5255c645b81d71ec22a6f16f291eb82db3a98401495220a0b410dfa7eea5b30a [2022-11-20 16:29:47,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:29:47,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:29:47,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:29:47,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:29:47,247 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:29:47,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-restricted-15/Swingers.c [2022-11-20 16:29:50,553 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:29:50,839 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:29:50,840 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/sv-benchmarks/c/termination-restricted-15/Swingers.c [2022-11-20 16:29:50,846 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/data/773275939/b2bf3057645345268df62fb884e4ed95/FLAGda9cb34a1 [2022-11-20 16:29:50,876 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/data/773275939/b2bf3057645345268df62fb884e4ed95 [2022-11-20 16:29:50,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:29:50,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:29:50,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:29:50,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:29:50,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:29:50,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:50" (1/1) ... [2022-11-20 16:29:50,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576b7dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:50, skipping insertion in model container [2022-11-20 16:29:50,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:50" (1/1) ... [2022-11-20 16:29:50,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:29:50,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:29:51,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:29:51,123 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:29:51,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:29:51,149 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:29:51,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51 WrapperNode [2022-11-20 16:29:51,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:29:51,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:29:51,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:29:51,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:29:51,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,180 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-11-20 16:29:51,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:29:51,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:29:51,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:29:51,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:29:51,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,200 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:29:51,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:29:51,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:29:51,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:29:51,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:29:51,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:29:51,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:29:51,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:29:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:29:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:29:51,378 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:29:51,380 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:29:51,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:29:51,463 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:29:51,463 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:29:51,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:51 BoogieIcfgContainer [2022-11-20 16:29:51,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:29:51,467 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:29:51,467 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:29:51,478 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:29:51,479 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:51" (1/1) ... [2022-11-20 16:29:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:29:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-20 16:29:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-20 16:29:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 16:29:51,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:51,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:29:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2022-11-20 16:29:51,715 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-11-20 16:29:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:29:51,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:51,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:29:51,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-11-20 16:29:51,828 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-11-20 16:29:51,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:29:51,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:51,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:29:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:52,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 16:29:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 16:29:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:29:52,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:52,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:29:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2022-11-20 16:29:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2022-11-20 16:29:52,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:29:52,140 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-20 16:29:52,150 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-20 16:29:52,175 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-11-20 16:29:52,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:29:52 ImpRootNode [2022-11-20 16:29:52,187 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:29:52,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:29:52,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:29:52,189 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:29:52,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:51" (3/4) ... [2022-11-20 16:29:52,193 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:29:52,205 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 16:29:52,205 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:29:52,206 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 16:29:52,243 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:29:52,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:29:52,244 INFO L158 Benchmark]: Toolchain (without parser) took 1362.07ms. Allocated memory is still 176.2MB. Free memory was 142.6MB in the beginning and 95.0MB in the end (delta: 47.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 16:29:52,245 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 139.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:29:52,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.01ms. Allocated memory is still 176.2MB. Free memory was 142.3MB in the beginning and 133.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:29:52,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.62ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 132.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:29:52,248 INFO L158 Benchmark]: Boogie Preprocessor took 17.75ms. Allocated memory is still 176.2MB. Free memory was 132.1MB in the beginning and 130.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:29:52,249 INFO L158 Benchmark]: RCFGBuilder took 262.58ms. Allocated memory is still 176.2MB. Free memory was 130.9MB in the beginning and 122.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:29:52,250 INFO L158 Benchmark]: CodeCheck took 720.34ms. Allocated memory is still 176.2MB. Free memory was 122.2MB in the beginning and 97.1MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 16:29:52,250 INFO L158 Benchmark]: Witness Printer took 55.41ms. Allocated memory is still 176.2MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:29:52,254 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, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 0 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3/3 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: samantha + bob <= 30 && 30 <= samantha + bob * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 139.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.01ms. Allocated memory is still 176.2MB. Free memory was 142.3MB in the beginning and 133.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.62ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 132.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.75ms. Allocated memory is still 176.2MB. Free memory was 132.1MB in the beginning and 130.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 262.58ms. Allocated memory is still 176.2MB. Free memory was 130.9MB in the beginning and 122.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 720.34ms. Allocated memory is still 176.2MB. Free memory was 122.2MB in the beginning and 97.1MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 55.41ms. Allocated memory is still 176.2MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:29:52,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68ae4c3-2aa7-47de-8314-903f4e8c74bc/bin/ukojak-pZX7IvK2PQ/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