./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4 --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 d483d112ebc631f1c14642e780c42909cf25d334478fdf38ba7f61b34b8ee811 --- 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-2329fc7 [2022-12-14 22:03:30,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:03:30,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:03:30,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:03:30,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:03:30,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:03:30,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:03:30,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:03:30,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:03:30,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:03:30,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:03:30,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:03:30,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:03:30,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:03:30,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:03:30,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:03:30,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:03:30,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:03:30,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:03:30,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:03:30,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:03:30,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:03:30,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:03:30,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:03:30,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:03:30,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:03:30,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:03:30,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:03:30,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:03:30,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:03:30,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:03:30,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:03:30,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:03:30,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:03:30,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:03:30,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:03:30,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:03:30,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:03:30,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:03:30,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:03:30,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:03:30,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 22:03:30,730 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:03:30,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:03:30,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:03:30,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:03:30,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:03:30,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:03:30,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:03:30,731 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:03:30,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:03:30,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:03:30,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:03:30,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:03:30,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:03:30,732 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:03:30,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:03:30,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:03:30,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:03:30,732 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:03:30,732 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:03:30,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:03:30,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:03:30,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:03:30,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:03:30,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:03:30,733 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:03:30,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:03:30,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:03:30,733 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_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d483d112ebc631f1c14642e780c42909cf25d334478fdf38ba7f61b34b8ee811 [2022-12-14 22:03:30,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:03:30,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:03:30,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:03:30,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:03:30,914 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:03:30,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c [2022-12-14 22:03:33,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:03:33,646 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:03:33,647 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c [2022-12-14 22:03:33,652 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/data/4e03e7b74/2e116ca204bf4c93aa5f918a30761cb4/FLAGc699a028f [2022-12-14 22:03:34,071 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/data/4e03e7b74/2e116ca204bf4c93aa5f918a30761cb4 [2022-12-14 22:03:34,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:03:34,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:03:34,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:03:34,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:03:34,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:03:34,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c49ae24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34, skipping insertion in model container [2022-12-14 22:03:34,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:03:34,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:03:34,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:03:34,198 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:03:34,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:03:34,215 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:03:34,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34 WrapperNode [2022-12-14 22:03:34,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:03:34,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:03:34,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:03:34,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:03:34,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,236 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-12-14 22:03:34,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:03:34,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:03:34,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:03:34,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:03:34,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,249 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:03:34,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:03:34,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:03:34,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:03:34,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:03:34,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:03:34,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:03:34,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:03:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:03:34,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:03:34,385 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:03:34,387 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:03:34,436 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:03:34,447 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:03:34,448 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:03:34,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:03:34 BoogieIcfgContainer [2022-12-14 22:03:34,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:03:34,450 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:03:34,450 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:03:34,458 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:03:34,458 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:03:34" (1/1) ... [2022-12-14 22:03:34,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:03:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:03:34,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-12-14 22:03:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-12-14 22:03:34,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:03:34,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:03:34,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:03:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:03:34,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:03:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:03:34,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-14 22:03:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-14 22:03:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:03:34,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:03:34,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:03:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:03:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:03:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:03:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-12-14 22:03:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-12-14 22:03:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:03:35,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:03:35,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:03:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:03:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:03:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:03:35,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 22:03:35,342 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 22:03:35,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:03:35,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:03:35,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:03:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:03:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:03:35,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:03:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-12-14 22:03:35,436 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-12-14 22:03:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:03:35,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:03:35,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:03:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:03:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:03:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:03:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2022-12-14 22:03:35,766 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2022-12-14 22:03:35,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:03:35,766 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-12-14 22:03:35,774 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-12-14 22:03:35,793 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-12-14 22:03:35,802 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:03:35,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:03:35 ImpRootNode [2022-12-14 22:03:35,803 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:03:35,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:03:35,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:03:35,804 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:03:35,804 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:03:34" (3/4) ... [2022-12-14 22:03:35,807 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:03:35,815 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 22:03:35,816 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 22:03:35,816 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 22:03:35,846 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:03:35,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:03:35,847 INFO L158 Benchmark]: Toolchain (without parser) took 1770.03ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 94.7MB in the end (delta: 36.9MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2022-12-14 22:03:35,847 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:03:35,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 137.77ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 122.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 22:03:35,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.99ms. Allocated memory is still 165.7MB. Free memory was 122.7MB in the beginning and 121.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:03:35,848 INFO L158 Benchmark]: Boogie Preprocessor took 13.67ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 120.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:03:35,849 INFO L158 Benchmark]: RCFGBuilder took 198.28ms. Allocated memory is still 165.7MB. Free memory was 120.1MB in the beginning and 110.6MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:03:35,849 INFO L158 Benchmark]: CodeCheck took 1352.74ms. Allocated memory is still 165.7MB. Free memory was 110.6MB in the beginning and 97.6MB in the end (delta: 13.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-12-14 22:03:35,850 INFO L158 Benchmark]: Witness Printer took 42.45ms. Allocated memory is still 165.7MB. Free memory was 96.7MB in the beginning and 94.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:03:35,852 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 306 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 20 mSDtfsCounter, 306 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 300 SyntacticMatches, 8 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 5/9 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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: 18]: Loop Invariant Derived loop invariant: 0 <= x + 2147483648 && M <= 2147483647 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 137.77ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 122.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.99ms. Allocated memory is still 165.7MB. Free memory was 122.7MB in the beginning and 121.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.67ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 120.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 198.28ms. Allocated memory is still 165.7MB. Free memory was 120.1MB in the beginning and 110.6MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1352.74ms. Allocated memory is still 165.7MB. Free memory was 110.6MB in the beginning and 97.6MB in the end (delta: 13.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Witness Printer took 42.45ms. Allocated memory is still 165.7MB. Free memory was 96.7MB in the beginning and 94.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:03:35,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15bfa8cb-a9b8-4e56-9ac7-61c57369a2b4/bin/ukojak-rkRKPMF4O4/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