./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/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_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/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_e747f30b-67cd-4613-a515-1409f0309255/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 5a85ef4e6caed20a9aa6e00fcf3a476ebe3f071202fc083a4545018fb19b4c9c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:42:30,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:42:30,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:42:30,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:42:30,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:42:30,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:42:30,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:42:30,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:42:30,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:42:30,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:42:30,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:42:30,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:42:30,240 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:42:30,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:42:30,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:42:30,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:42:30,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:42:30,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:42:30,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:42:30,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:42:30,246 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:42:30,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:42:30,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:42:30,247 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:42:30,248 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:42:30,248 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:42:30,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:42:30,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:42:30,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:42:30,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:42:30,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:42:30,250 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:42:30,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:42:30,251 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_e747f30b-67cd-4613-a515-1409f0309255/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a85ef4e6caed20a9aa6e00fcf3a476ebe3f071202fc083a4545018fb19b4c9c [2024-11-09 00:42:30,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:42:30,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:42:30,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:42:30,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:42:30,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:42:30,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-lit/cggmp2005b.i Unable to find full path for "g++" [2024-11-09 00:42:32,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:42:33,019 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:42:33,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/sv-benchmarks/c/loop-lit/cggmp2005b.i [2024-11-09 00:42:33,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/data/296ff4854/22a2069943f94917b9925727f482d4fd/FLAGe3f1b4e43 [2024-11-09 00:42:33,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/data/296ff4854/22a2069943f94917b9925727f482d4fd [2024-11-09 00:42:33,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:42:33,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:42:33,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:33,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:42:33,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:42:33,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d297115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33, skipping insertion in model container [2024-11-09 00:42:33,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:42:33,324 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_e747f30b-67cd-4613-a515-1409f0309255/sv-benchmarks/c/loop-lit/cggmp2005b.i[895,908] [2024-11-09 00:42:33,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:33,349 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:42:33,363 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_e747f30b-67cd-4613-a515-1409f0309255/sv-benchmarks/c/loop-lit/cggmp2005b.i[895,908] [2024-11-09 00:42:33,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:33,384 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:42:33,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33 WrapperNode [2024-11-09 00:42:33,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:33,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:33,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:42:33,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:42:33,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,419 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-09 00:42:33,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:33,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:42:33,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:42:33,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:42:33,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:42:33,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:42:33,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:42:33,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:42:33,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:42:33,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:42:33,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:42:33,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:42:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:42:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:42:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:42:33,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:42:33,584 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:42:33,586 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:42:33,693 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:42:33,693 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:42:33,717 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:42:33,717 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:42:33,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:33 BoogieIcfgContainer [2024-11-09 00:42:33,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:42:33,719 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:42:33,719 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:42:33,730 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:42:33,731 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:33" (1/1) ... [2024-11-09 00:42:33,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:33,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:33,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2024-11-09 00:42:33,798 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2024-11-09 00:42:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:42:33,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:33,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:34,034 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 00:42:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:34,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2024-11-09 00:42:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2024-11-09 00:42:34,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:42:34,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:34,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:34,181 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 00:42:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-09 00:42:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-09 00:42:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:42:34,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:34,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-11-09 00:42:34,410 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-11-09 00:42:34,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:42:34,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:34,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:34,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:34,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:34,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-11-09 00:42:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-11-09 00:42:34,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:42:34,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:34,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:42:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2024-11-09 00:42:34,860 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2024-11-09 00:42:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:42:34,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:34,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:42:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-09 00:42:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-09 00:42:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:42:35,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:35,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:42:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:35,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2024-11-09 00:42:35,226 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2024-11-09 00:42:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:42:35,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:35,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:35,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:42:35,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-09 00:42:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-09 00:42:35,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:42:35,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:35,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:42:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-11-09 00:42:35,609 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-11-09 00:42:35,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:42:35,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:35,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:35,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2024-11-09 00:42:35,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2024-11-09 00:42:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:42:35,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:35,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 00:42:36,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:36,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-09 00:42:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-09 00:42:36,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:42:36,318 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-11-09 00:42:36,330 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:42:36,476 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 37) the Hoare annotation is: (or (= |ULTIMATE.start_main_~k~0#1| 4) (and (<= 4 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1))) [2024-11-09 00:42:36,476 INFO L77 FloydHoareUtils]: At program point L35-4(lines 29 38) the Hoare annotation is: (not (and (< 1 |ULTIMATE.start_main_~i~0#1|) (not (= |ULTIMATE.start_main_~k~0#1| 4)))) [2024-11-09 00:42:36,476 INFO L77 FloydHoareUtils]: At program point L31-1(lines 31 33) the Hoare annotation is: (<= |ULTIMATE.start_main_~j~0#1| 19) [2024-11-09 00:42:36,477 INFO L77 FloydHoareUtils]: At program point L31-3(lines 31 33) the Hoare annotation is: true [2024-11-09 00:42:36,477 INFO L77 FloydHoareUtils]: At program point L31-4(lines 31 33) the Hoare annotation is: true [2024-11-09 00:42:36,477 INFO L75 FloydHoareUtils]: For program point L19(line 19) no Hoare annotation was computed. [2024-11-09 00:42:36,477 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-09 00:42:36,477 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:42:36,478 INFO L77 FloydHoareUtils]: At program point L29-1(lines 29 38) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 100) [2024-11-09 00:42:36,478 INFO L77 FloydHoareUtils]: At program point L29-3(lines 29 38) the Hoare annotation is: (= |ULTIMATE.start_main_~k~0#1| 4) [2024-11-09 00:42:36,482 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:42:36,482 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-09 00:42:36,485 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-11-09 00:42:36,486 INFO L75 FloydHoareUtils]: For program point L35-1(lines 35 37) no Hoare annotation was computed. [2024-11-09 00:42:36,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:42:36 ImpRootNode [2024-11-09 00:42:36,500 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:42:36,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:42:36,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:42:36,501 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:42:36,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:33" (3/4) ... [2024-11-09 00:42:36,504 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:42:36,512 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-09 00:42:36,514 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 00:42:36,515 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:42:36,515 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:42:36,598 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:42:36,598 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:42:36,599 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:42:36,599 INFO L158 Benchmark]: Toolchain (without parser) took 3549.27ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 118.7MB in the beginning and 89.4MB in the end (delta: 29.3MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2024-11-09 00:42:36,600 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:42:36,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.44ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 117.8MB in the end (delta: 906.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:42:36,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.48ms. Allocated memory is still 155.2MB. Free memory was 117.8MB in the beginning and 116.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:42:36,601 INFO L158 Benchmark]: Boogie Preprocessor took 27.52ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 115.4MB in the end (delta: 938.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:42:36,602 INFO L158 Benchmark]: RCFGBuilder took 270.22ms. Allocated memory is still 155.2MB. Free memory was 115.4MB in the beginning and 104.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:42:36,602 INFO L158 Benchmark]: CodeCheck took 2780.99ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 104.9MB in the beginning and 93.6MB in the end (delta: 11.3MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-11-09 00:42:36,603 INFO L158 Benchmark]: Witness Printer took 98.36ms. Allocated memory is still 190.8MB. Free memory was 93.6MB in the beginning and 89.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:42:36,605 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 448 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 283 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 164 mSDsCounter, 226 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 678 IncrementalHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 226 mSolverCounterUnsat, 119 mSDtfsCounter, 678 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1138 GetRequests, 1067 SyntacticMatches, 17 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 35/39 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: 19]: 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 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: !((1 < i) && (k != 4)) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((k == 4) || ((4 <= k) && (i <= 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.44ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 117.8MB in the end (delta: 906.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.48ms. Allocated memory is still 155.2MB. Free memory was 117.8MB in the beginning and 116.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.52ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 115.4MB in the end (delta: 938.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 270.22ms. Allocated memory is still 155.2MB. Free memory was 115.4MB in the beginning and 104.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2780.99ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 104.9MB in the beginning and 93.6MB in the end (delta: 11.3MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * Witness Printer took 98.36ms. Allocated memory is still 190.8MB. Free memory was 93.6MB in the beginning and 89.4MB 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 00:42:36,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e747f30b-67cd-4613-a515-1409f0309255/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