./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/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_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 298a2fa3454ac9d826b4a2fcda5c49527e83e26e7b8633f156b47d33577c1902 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:34:50,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:34:51,008 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:34:51,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:34:51,015 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:34:51,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:34:51,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:34:51,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:34:51,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:34:51,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:34:51,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:34:51,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:34:51,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:34:51,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:34:51,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:34:51,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:34:51,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:34:51,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:34:51,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:34:51,062 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:34:51,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:34:51,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:34:51,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:34:51,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:34:51,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:34:51,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:34:51,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:34:51,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:51,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:34:51,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:34:51,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:34:51,072 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:34:51,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:34:51,073 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_0a253114-7f0a-4271-9ceb-9951291f6097/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 298a2fa3454ac9d826b4a2fcda5c49527e83e26e7b8633f156b47d33577c1902 [2024-11-08 22:34:51,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:34:51,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:34:51,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:34:51,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:34:51,404 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:34:51,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c Unable to find full path for "g++" [2024-11-08 22:34:53,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:34:53,666 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:34:53,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-11-08 22:34:53,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/data/10c78a90c/3fe4958e9f77466ab96000920faa153c/FLAGf52b2acee [2024-11-08 22:34:54,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/data/10c78a90c/3fe4958e9f77466ab96000920faa153c [2024-11-08 22:34:54,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:34:54,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:34:54,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:54,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:34:54,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:34:54,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692af38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54, skipping insertion in model container [2024-11-08 22:34:54,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,051 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:34:54,242 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-11-08 22:34:54,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:54,273 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:34:54,285 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-11-08 22:34:54,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:54,309 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:34:54,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54 WrapperNode [2024-11-08 22:34:54,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:54,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:54,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:34:54,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:34:54,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,344 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-08 22:34:54,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:54,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:34:54,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:34:54,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:34:54,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:34:54,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:34:54,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:34:54,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:34:54,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:54,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:34:54,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:34:54,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:34:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:34:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:34:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:34:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:34:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:34:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:34:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:34:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:34:54,497 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:34:54,499 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:34:54,664 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 22:34:54,664 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:34:54,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:34:54,709 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:34:54,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:54 BoogieIcfgContainer [2024-11-08 22:34:54,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:34:54,711 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:34:54,711 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:34:54,719 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:34:54,719 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:54" (1/1) ... [2024-11-08 22:34:54,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:34:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 22:34:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 22:34:54,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:34:54,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:54,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:34:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:55,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:34:55,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:34:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:55,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-08 22:34:55,485 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-08 22:34:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:34:55,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:55,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:34:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-08 22:34:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-08 22:34:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:34:57,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:57,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:35:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:05,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 22:35:05,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 22:35:57,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:36:04,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:36:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 46 transitions. [2024-11-08 22:36:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2024-11-08 22:36:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:36:05,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:05,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:37:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 24 states and 31 transitions. [2024-11-08 22:37:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-08 22:37:13,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:37:13,926 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-08 22:37:13,934 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:37:15,053 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:37:15,054 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-08 22:37:15,054 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-11-08 22:37:15,054 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (<= (mod |ULTIMATE.start_main_~a~0#1| 4294967296) 2) [2024-11-08 22:37:15,054 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (not (and (<= (mod |ULTIMATE.start_main_~a~0#1| 4294967296) 2) (< 2 (mod |ULTIMATE.start_main_~b~0#1| 4294967296)))) [2024-11-08 22:37:15,054 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-11-08 22:37:15,054 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: (<= (mod |ULTIMATE.start_main_~a~0#1| 4294967296) 2) [2024-11-08 22:37:15,055 INFO L77 FloydHoareUtils]: At program point L52(line 52) the Hoare annotation is: true [2024-11-08 22:37:15,055 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:37:15,055 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: true [2024-11-08 22:37:15,055 INFO L77 FloydHoareUtils]: At program point L38-1(lines 37 50) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (= (* 2 .cse0) (+ (* (div .cse0 2147483648) 4294967296) (mod (+ (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~x~0#1|)) 4294967296)))) [2024-11-08 22:37:15,055 INFO L77 FloydHoareUtils]: At program point L30(line 30) the Hoare annotation is: true [2024-11-08 22:37:15,055 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-08 22:37:15,056 INFO L77 FloydHoareUtils]: At program point L43-2(lines 37 50) the Hoare annotation is: true [2024-11-08 22:37:15,056 INFO L77 FloydHoareUtils]: At program point L37-2(lines 37 50) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (= (* 2 .cse0) (+ (* (div .cse0 2147483648) 4294967296) (mod (+ (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~x~0#1|)) 4294967296)))) [2024-11-08 22:37:15,056 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-11-08 22:37:15,056 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 8 10) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-08 22:37:15,056 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-08 22:37:15,056 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-08 22:37:15,057 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 22:37:15,057 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 22:37:15,057 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-11-08 22:37:15,057 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-08 22:37:15,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:37:15 ImpRootNode [2024-11-08 22:37:15,079 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:37:15,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:37:15,080 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:37:15,080 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:37:15,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:54" (3/4) ... [2024-11-08 22:37:15,083 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:37:15,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 22:37:15,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 22:37:15,093 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-08 22:37:15,094 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-08 22:37:15,094 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:37:15,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:37:15,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:37:15,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:37:15,206 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:37:15,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:37:15,208 INFO L158 Benchmark]: Toolchain (without parser) took 141190.20ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 121.7MB in the beginning and 145.7MB in the end (delta: -24.0MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-11-08 22:37:15,208 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 155.2MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:37:15,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.20ms. Allocated memory is still 155.2MB. Free memory was 121.2MB in the beginning and 108.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:37:15,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.90ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 106.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:37:15,210 INFO L158 Benchmark]: Boogie Preprocessor took 22.35ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 105.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:37:15,210 INFO L158 Benchmark]: RCFGBuilder took 341.78ms. Allocated memory is still 155.2MB. Free memory was 105.8MB in the beginning and 92.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:37:15,214 INFO L158 Benchmark]: CodeCheck took 140368.40ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 92.3MB in the beginning and 149.8MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:37:15,215 INFO L158 Benchmark]: Witness Printer took 126.96ms. Allocated memory is still 197.1MB. Free memory was 149.8MB in the beginning and 145.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:37:15,217 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 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 139.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 258 SdHoareTripleChecker+Valid, 24.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 23.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 141 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 413 IncrementalHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 141 mSolverCounterUnsat, 122 mSDtfsCounter, 413 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 983 GetRequests, 909 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 116.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 7.6s SatisfiabilityAnalysisTime, 42.5s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 741 SizeOfPredicates, 2 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 120/141 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: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 8]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 155.2MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.20ms. Allocated memory is still 155.2MB. Free memory was 121.2MB in the beginning and 108.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.90ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 106.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.35ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 105.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 341.78ms. Allocated memory is still 155.2MB. Free memory was 105.8MB in the beginning and 92.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 140368.40ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 92.3MB in the beginning and 149.8MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 126.96ms. Allocated memory is still 197.1MB. Free memory was 149.8MB in the beginning and 145.7MB 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 22:37:15,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a253114-7f0a-4271-9ceb-9951291f6097/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