./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 a0165632 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_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Swingers.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:02:58,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:02:58,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:02:58,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:02:58,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:02:58,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:02:58,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:02:58,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:02:58,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:02:58,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:02:58,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:02:58,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:02:58,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:02:58,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:02:58,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:02:58,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:02:58,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:02:58,150 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:02:58,153 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:02:58,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:02:58,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:02:58,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:02:58,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:02:58,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:02:58,159 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:02:58,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:02:58,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:58,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:02:58,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:02:58,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:02:58,176 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:02:58,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:02:58,177 INFO L153 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_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5255c645b81d71ec22a6f16f291eb82db3a98401495220a0b410dfa7eea5b30a [2024-11-09 00:02:58,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:02:58,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:02:58,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:02:58,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:02:58,457 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:02:58,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-restricted-15/Swingers.c Unable to find full path for "g++" [2024-11-09 00:03:00,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:03:00,527 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:03:00,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/sv-benchmarks/c/termination-restricted-15/Swingers.c [2024-11-09 00:03:00,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/data/a49bea492/c792a1b34feb44b890d7ce73f306a68b/FLAGe3b691bae [2024-11-09 00:03:00,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/data/a49bea492/c792a1b34feb44b890d7ce73f306a68b [2024-11-09 00:03:00,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:03:00,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:03:00,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:03:00,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:03:00,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:03:00,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:03:00" (1/1) ... [2024-11-09 00:03:00,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a44eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:00, skipping insertion in model container [2024-11-09 00:03:00,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:03:00" (1/1) ... [2024-11-09 00:03:00,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:03:01,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:03:01,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:03:01,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:03:01,166 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:03:01,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01 WrapperNode [2024-11-09 00:03:01,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:03:01,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:03:01,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:03:01,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:03:01,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,196 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2024-11-09 00:03:01,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:03:01,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:03:01,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:03:01,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:03:01,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:03:01,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:03:01,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:03:01,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:03:01,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:03:01,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:03:01,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:03:01,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:03:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:03:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:03:01,370 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:03:01,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:03:01,462 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-09 00:03:01,462 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:03:01,483 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:03:01,483 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:03:01,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:03:01 BoogieIcfgContainer [2024-11-09 00:03:01,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:03:01,484 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:03:01,485 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:03:01,494 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:03:01,494 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:03:01" (1/1) ... [2024-11-09 00:03:01,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:03:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:01,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-09 00:03:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-09 00:03:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:03:01,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:01,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:01,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-11-09 00:03:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-11-09 00:03:01,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:03:01,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:01,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:03:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-09 00:03:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-09 00:03:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:03:01,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:01,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:03:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-11-09 00:03:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-11-09 00:03:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:03:02,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:02,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:03:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:03:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:02,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-11-09 00:03:02,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2024-11-09 00:03:02,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:03:02,232 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-09 00:03:02,241 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-09 00:03:02,272 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2024-11-09 00:03:02,272 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-09 00:03:02,272 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2024-11-09 00:03:02,273 INFO L77 FloydHoareUtils]: At program point L12-1(line 12) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~samantha~0#1| |ULTIMATE.start_main_~bob~0#1|))) (and (<= .cse0 30) (<= 30 .cse0))) [2024-11-09 00:03:02,273 INFO L77 FloydHoareUtils]: At program point L12-2(lines 12 16) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~samantha~0#1| |ULTIMATE.start_main_~bob~0#1|))) (and (<= .cse0 30) (<= 30 .cse0))) [2024-11-09 00:03:02,273 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:03:02,274 INFO L77 FloydHoareUtils]: At program point L12-4(lines 12 16) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~samantha~0#1| |ULTIMATE.start_main_~bob~0#1|))) (and (<= .cse0 30) (<= 30 .cse0))) [2024-11-09 00:03:02,274 INFO L75 FloydHoareUtils]: For program point L12-5(lines 12 16) no Hoare annotation was computed. [2024-11-09 00:03:02,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:03:02 ImpRootNode [2024-11-09 00:03:02,285 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:03:02,286 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:03:02,286 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:03:02,286 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:03:02,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:03:01" (3/4) ... [2024-11-09 00:03:02,291 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:03:02,300 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:03:02,301 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 00:03:02,301 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 00:03:02,365 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:03:02,365 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:03:02,365 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:03:02,366 INFO L158 Benchmark]: Toolchain (without parser) took 1431.75ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 96.8MB in the beginning and 158.5MB in the end (delta: -61.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:03:02,366 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:03:02,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.07ms. Allocated memory is still 138.4MB. Free memory was 96.3MB in the beginning and 85.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:03:02,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.33ms. Allocated memory is still 138.4MB. Free memory was 85.3MB in the beginning and 83.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:03:02,368 INFO L158 Benchmark]: Boogie Preprocessor took 18.46ms. Allocated memory is still 138.4MB. Free memory was 83.7MB in the beginning and 83.2MB in the end (delta: 537.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:03:02,369 INFO L158 Benchmark]: RCFGBuilder took 267.42ms. Allocated memory is still 138.4MB. Free memory was 82.7MB in the beginning and 73.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:03:02,370 INFO L158 Benchmark]: CodeCheck took 800.92ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 73.2MB in the beginning and 162.7MB in the end (delta: -89.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:03:02,370 INFO L158 Benchmark]: Witness Printer took 79.41ms. Allocated memory is still 195.0MB. Free memory was 162.7MB in the beginning and 158.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:03:02,373 INFO L338 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: 0.7s, 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, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 0 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 6 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.07ms. Allocated memory is still 138.4MB. Free memory was 96.3MB in the beginning and 85.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.33ms. Allocated memory is still 138.4MB. Free memory was 85.3MB in the beginning and 83.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.46ms. Allocated memory is still 138.4MB. Free memory was 83.7MB in the beginning and 83.2MB in the end (delta: 537.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.42ms. Allocated memory is still 138.4MB. Free memory was 82.7MB in the beginning and 73.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 800.92ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 73.2MB in the beginning and 162.7MB in the end (delta: -89.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.41ms. Allocated memory is still 195.0MB. Free memory was 162.7MB in the beginning and 158.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:03:02,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6954d0-a67e-40e0-bad9-a8a1cab2e251/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE