./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Piecewise.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_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/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_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Piecewise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/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_7f112295-5129-4d7b-8773-cca89a2efec8/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 ac2fbc3b92c237eee672d002679ee7a51e4ecff20f91c05c8145e18adc82f593 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:03:57,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:03:57,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:03:57,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:03:57,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:03:57,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:03:57,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:03:57,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:03:57,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:03:57,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:03:57,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:03:57,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:03:57,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:03:57,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:03:57,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:03:57,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:03:57,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:03:57,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:03:57,162 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:03:57,163 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:03:57,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:03:57,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:03:57,164 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:03:57,164 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:03:57,165 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:03:57,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:03:57,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:03:57,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:03:57,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:03:57,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:03:57,167 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:03:57,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:03:57,168 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_7f112295-5129-4d7b-8773-cca89a2efec8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac2fbc3b92c237eee672d002679ee7a51e4ecff20f91c05c8145e18adc82f593 [2024-11-08 23:03:57,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:03:57,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:03:57,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:03:57,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:03:57,470 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:03:57,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted/Piecewise.c Unable to find full path for "g++" [2024-11-08 23:03:59,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:03:59,628 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:03:59,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/sv-benchmarks/c/termination-crafted/Piecewise.c [2024-11-08 23:03:59,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/data/8fcbbc43e/372f0f1cac03453f98f84bbe9f67b9c0/FLAGe58cadda9 [2024-11-08 23:03:59,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/data/8fcbbc43e/372f0f1cac03453f98f84bbe9f67b9c0 [2024-11-08 23:03:59,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:03:59,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:03:59,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:59,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:03:59,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:03:59,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3baddae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59, skipping insertion in model container [2024-11-08 23:03:59,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,687 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:03:59,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:59,881 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:03:59,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:59,909 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:03:59,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59 WrapperNode [2024-11-08 23:03:59,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:59,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:59,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:03:59,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:03:59,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,938 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-08 23:03:59,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:59,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:03:59,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:03:59,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:03:59,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:03:59,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:03:59,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:03:59,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:03:59,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:59" (1/1) ... [2024-11-08 23:03:59,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:03:59,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:03:59,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:04:00,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:04:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:04:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:04:00,122 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:04:00,124 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:04:00,221 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 23:04:00,224 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:04:00,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:04:00,255 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:04:00,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:00 BoogieIcfgContainer [2024-11-08 23:04:00,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:04:00,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:04:00,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:04:00,268 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:04:00,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:00" (1/1) ... [2024-11-08 23:04:00,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:04:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:04:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:04:00,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:04:00,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:00,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-08 23:04:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-08 23:04:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:04:00,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:00,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:00,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 23:04:00,858 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 23:04:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:04:00,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:00,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:01,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-08 23:04:01,116 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-08 23:04:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:04:01,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:01,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:04:01,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:01,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-08 23:04:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-08 23:04:01,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:04:01,607 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-08 23:04:01,621 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 23:04:01,675 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-11-08 23:04:01,678 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:04:01,679 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-08 23:04:01,679 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~p~0#1| 2147483647)) [2024-11-08 23:04:01,679 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (<= |ULTIMATE.start_main_~p~0#1| 2147483647) [2024-11-08 23:04:01,680 INFO L77 FloydHoareUtils]: At program point L23(lines 23 29) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= 1 |ULTIMATE.start_main_~q~0#1|) (<= |ULTIMATE.start_main_~p~0#1| 2147483647) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-11-08 23:04:01,680 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:04:01,680 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-11-08 23:04:01,680 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-08 23:04:01,680 INFO L77 FloydHoareUtils]: At program point L26(lines 26 29) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~p~0#1| 2147483647)) [2024-11-08 23:04:01,681 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~q~0#1|) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-11-08 23:04:01,681 INFO L77 FloydHoareUtils]: At program point L26-2(lines 22 30) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~p~0#1| 2147483647) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-11-08 23:04:01,681 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (<= |ULTIMATE.start_main_~q~0#1| 2147483647) [2024-11-08 23:04:01,681 INFO L77 FloydHoareUtils]: At program point L22-1(lines 22 30) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= 1 |ULTIMATE.start_main_~q~0#1|) (<= |ULTIMATE.start_main_~p~0#1| 2147483647) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2024-11-08 23:04:01,681 INFO L77 FloydHoareUtils]: At program point L22-3(lines 22 30) the Hoare annotation is: true [2024-11-08 23:04:01,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:04:01 ImpRootNode [2024-11-08 23:04:01,701 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:04:01,702 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:04:01,705 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:04:01,705 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:04:01,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:04:00" (3/4) ... [2024-11-08 23:04:01,708 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:04:01,719 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 23:04:01,719 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:04:01,720 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:04:01,801 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:04:01,802 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:04:01,802 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:04:01,803 INFO L158 Benchmark]: Toolchain (without parser) took 2147.12ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 103.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-08 23:04:01,803 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 114.4MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:04:01,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.35ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 104.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:04:01,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.74ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:04:01,805 INFO L158 Benchmark]: Boogie Preprocessor took 18.28ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 102.8MB in the end (delta: 640.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:04:01,805 INFO L158 Benchmark]: RCFGBuilder took 298.32ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 92.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:04:01,805 INFO L158 Benchmark]: CodeCheck took 1443.63ms. Allocated memory is still 151.0MB. Free memory was 91.6MB in the beginning and 107.1MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:04:01,806 INFO L158 Benchmark]: Witness Printer took 100.21ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 103.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:04:01,808 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 223 IncrementalHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 20 mSDtfsCounter, 223 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((p <= 2147483647) && (q <= 2147483647)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 114.4MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.35ms. Allocated memory is still 151.0MB. Free memory was 116.7MB in the beginning and 104.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.74ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.28ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 102.8MB in the end (delta: 640.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.32ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 92.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1443.63ms. Allocated memory is still 151.0MB. Free memory was 91.6MB in the beginning and 107.1MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.21ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 103.0MB 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! [2024-11-08 23:04:01,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f112295-5129-4d7b-8773-cca89a2efec8/bin/ukojak-verify-ImItNfHLgk/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