./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound1.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_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/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_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/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_97e844bd-ddcf-4261-8b51-a56ecbea46ff/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 9c6f057d93c74db928b7d0b0915eda2af89e3a19cf93af1e21b1cfa684bd6cf4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:50:22,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:50:23,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:50:23,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:50:23,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:50:23,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:50:23,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:50:23,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:50:23,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:50:23,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:50:23,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:50:23,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:50:23,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:50:23,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:50:23,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:50:23,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:50:23,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:50:23,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:50:23,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:50:23,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:50:23,181 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:50:23,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:50:23,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:50:23,187 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:50:23,187 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:50:23,188 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:50:23,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:50:23,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:50:23,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:50:23,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:50:23,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:50:23,192 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:50:23,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:50:23,194 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_97e844bd-ddcf-4261-8b51-a56ecbea46ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c6f057d93c74db928b7d0b0915eda2af89e3a19cf93af1e21b1cfa684bd6cf4 [2024-11-09 00:50:23,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:50:23,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:50:23,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:50:23,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:50:23,568 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:50:23,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound1.c Unable to find full path for "g++" [2024-11-09 00:50:26,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:50:26,581 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:50:26,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound1.c [2024-11-09 00:50:26,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/data/5dd19c070/a9370b0089564deaae1df6045df31540/FLAGd29139a20 [2024-11-09 00:50:26,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/data/5dd19c070/a9370b0089564deaae1df6045df31540 [2024-11-09 00:50:26,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:50:26,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:50:26,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:50:26,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:50:26,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:50:26,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:50:26" (1/1) ... [2024-11-09 00:50:26,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d4a27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:26, skipping insertion in model container [2024-11-09 00:50:26,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:50:26" (1/1) ... [2024-11-09 00:50:26,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:50:26,911 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_97e844bd-ddcf-4261-8b51-a56ecbea46ff/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound1.c[458,471] [2024-11-09 00:50:26,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:50:26,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:50:26,984 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_97e844bd-ddcf-4261-8b51-a56ecbea46ff/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound1.c[458,471] [2024-11-09 00:50:26,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:50:27,025 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:50:27,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27 WrapperNode [2024-11-09 00:50:27,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:50:27,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:50:27,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:50:27,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:50:27,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,076 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-09 00:50:27,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:50:27,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:50:27,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:50:27,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:50:27,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:50:27,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:50:27,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:50:27,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:50:27,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:50:27,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:50:27,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:50:27,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:50:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:50:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:50:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:50:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:50:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:50:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:50:27,331 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:50:27,334 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:50:27,586 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:50:27,586 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:50:27,690 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:50:27,692 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:50:27,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:27 BoogieIcfgContainer [2024-11-09 00:50:27,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:50:27,694 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:50:27,694 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:50:27,716 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:50:27,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:27" (1/1) ... [2024-11-09 00:50:27,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:50:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:27,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-09 00:50:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-09 00:50:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:50:27,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:27,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:50:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:28,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:50:28,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:28,323 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 00:50:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-09 00:50:28,492 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-09 00:50:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:50:28,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:28,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:50:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:28,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:50:28,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:28,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-09 00:50:28,776 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-09 00:50:28,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:50:28,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:28,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:50:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:28,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:50:28,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2024-11-09 00:50:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2024-11-09 00:50:29,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:50:29,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:29,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:50:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 32 transitions. [2024-11-09 00:50:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-09 00:50:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:50:30,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:30,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:50:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:30,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:50:30,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:50:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:50:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:50:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:50:31,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:31,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:50:31,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 21 states and 25 transitions. [2024-11-09 00:50:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-09 00:50:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:50:31,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:31,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:32,144 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:50:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 16 states and 20 transitions. [2024-11-09 00:50:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-09 00:50:32,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:50:32,446 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-09 00:50:32,460 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:50:32,876 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:50:32,877 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-11-09 00:50:32,877 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~y~0#1| 1)) (.cse1 (= |ULTIMATE.start_main_~y~0#1| 0))) (or (and (= |ULTIMATE.start_main_~x~0#1| 1) .cse0) (and (not .cse1) (not (and (= |ULTIMATE.start_main_~k~0#1| 1) .cse0))) (and .cse1 (= |ULTIMATE.start_main_~x~0#1| 0)))) [2024-11-09 00:50:32,878 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:50:32,878 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: true [2024-11-09 00:50:32,878 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-09 00:50:32,878 INFO L77 FloydHoareUtils]: At program point L28-1(lines 27 36) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~y~0#1| 0)) (.cse0 (= |ULTIMATE.start_main_~y~0#1| 1))) (or (and (= |ULTIMATE.start_main_~x~0#1| 1) .cse0) (and (not .cse1) (not (and (= |ULTIMATE.start_main_~k~0#1| 1) .cse0))) (and .cse1 (= |ULTIMATE.start_main_~x~0#1| 0)) (and (< |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) .cse0))) [2024-11-09 00:50:32,879 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-09 00:50:32,879 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-09 00:50:32,879 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-09 00:50:32,879 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-09 00:50:32,879 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-09 00:50:32,880 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-09 00:50:32,880 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-09 00:50:32,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:50:32 ImpRootNode [2024-11-09 00:50:32,901 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:50:32,902 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:50:32,902 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:50:32,903 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:50:32,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:50:27" (3/4) ... [2024-11-09 00:50:32,906 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:50:32,911 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 00:50:32,915 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:50:32,915 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:50:32,915 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:50:32,915 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:50:33,013 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:50:33,014 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:50:33,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:50:33,015 INFO L158 Benchmark]: Toolchain (without parser) took 6397.95ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 86.0MB in the beginning and 75.1MB in the end (delta: 10.9MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-09 00:50:33,015 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:50:33,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.55ms. Allocated memory is still 130.0MB. Free memory was 85.7MB in the beginning and 73.0MB in the end (delta: 12.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:50:33,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.88ms. Allocated memory is still 130.0MB. Free memory was 73.0MB in the beginning and 71.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:50:33,017 INFO L158 Benchmark]: Boogie Preprocessor took 49.38ms. Allocated memory is still 130.0MB. Free memory was 71.7MB in the beginning and 70.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:50:33,017 INFO L158 Benchmark]: RCFGBuilder took 564.47ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 70.6MB in the beginning and 126.1MB in the end (delta: -55.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-09 00:50:33,018 INFO L158 Benchmark]: CodeCheck took 5207.33ms. Allocated memory is still 161.5MB. Free memory was 126.1MB in the beginning and 79.3MB in the end (delta: 46.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-11-09 00:50:33,018 INFO L158 Benchmark]: Witness Printer took 111.72ms. Allocated memory is still 161.5MB. Free memory was 79.3MB in the beginning and 75.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:50:33,021 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 207 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 584 IncrementalHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 101 mSDtfsCounter, 584 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 958 GetRequests, 880 SyntacticMatches, 16 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 421 SizeOfPredicates, 5 NumberOfNonLiveVariables, 214 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 43/61 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: 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: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.55ms. Allocated memory is still 130.0MB. Free memory was 85.7MB in the beginning and 73.0MB in the end (delta: 12.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.88ms. Allocated memory is still 130.0MB. Free memory was 73.0MB in the beginning and 71.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.38ms. Allocated memory is still 130.0MB. Free memory was 71.7MB in the beginning and 70.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.47ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 70.6MB in the beginning and 126.1MB in the end (delta: -55.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * CodeCheck took 5207.33ms. Allocated memory is still 161.5MB. Free memory was 126.1MB in the beginning and 79.3MB in the end (delta: 46.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Witness Printer took 111.72ms. Allocated memory is still 161.5MB. Free memory was 79.3MB in the beginning and 75.1MB 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 00:50:33,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e844bd-ddcf-4261-8b51-a56ecbea46ff/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