./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.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_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/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_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/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_c9484af8-3ec1-4377-8c74-455d9cddcc00/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 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:57:56,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:57:57,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:57:57,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:57:57,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:57:57,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:57:57,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:57:57,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:57:57,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:57:57,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:57:57,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:57:57,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:57:57,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:57:57,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:57:57,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:57:57,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:57:57,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:57:57,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:57:57,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:57:57,098 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:57:57,098 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:57:57,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:57:57,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:57:57,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:57:57,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:57:57,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:57:57,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:57:57,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:57:57,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:57:57,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:57:57,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:57:57,102 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:57:57,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:57:57,106 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_c9484af8-3ec1-4377-8c74-455d9cddcc00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f [2024-11-08 22:57:57,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:57:57,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:57:57,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:57:57,439 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:57:57,440 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:57:57,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c Unable to find full path for "g++" [2024-11-08 22:57:59,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:57:59,593 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:57:59,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-11-08 22:57:59,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/data/46fbc562d/ed62c18c7c214d26a1e35353d4195f5e/FLAGceeb210cb [2024-11-08 22:57:59,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/data/46fbc562d/ed62c18c7c214d26a1e35353d4195f5e [2024-11-08 22:57:59,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:57:59,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:57:59,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:57:59,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:57:59,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:57:59,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5916d86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59, skipping insertion in model container [2024-11-08 22:57:59,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:57:59,844 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_c9484af8-3ec1-4377-8c74-455d9cddcc00/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-11-08 22:57:59,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:57:59,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:57:59,882 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_c9484af8-3ec1-4377-8c74-455d9cddcc00/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-11-08 22:57:59,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:57:59,904 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:57:59,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59 WrapperNode [2024-11-08 22:57:59,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:57:59,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:57:59,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:57:59,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:57:59,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,946 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-08 22:57:59,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:57:59,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:57:59,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:57:59,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:57:59,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:57:59,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:57:59,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:57:59,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:57:59,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:59" (1/1) ... [2024-11-08 22:57:59,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:57:59,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:58:00,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:58:00,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:58:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:58:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:58:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:58:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:58:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:58:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:58:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:58:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:58:00,107 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:58:00,110 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:58:00,289 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 22:58:00,289 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:58:00,336 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:58:00,336 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:58:00,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:00 BoogieIcfgContainer [2024-11-08 22:58:00,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:58:00,338 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:58:00,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:58:00,355 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:58:00,355 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:00" (1/1) ... [2024-11-08 22:58:00,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:58:00,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 22:58:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 22:58:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:58:00,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:00,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:58:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:00,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:58:00,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:01,009 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 22:58:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-08 22:58:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-08 22:58:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:58:01,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:01,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:01,821 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 22:58:03,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:03,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-08 22:58:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-08 22:58:03,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:58:03,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:03,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:58:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:04,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 22:58:04,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:20,763 WARN L286 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:58:30,844 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:58:41,314 WARN L286 SmtUtils]: Spent 10.47s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:58:51,964 WARN L286 SmtUtils]: Spent 10.65s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:59:02,183 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:59:12,202 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:59:12,279 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 22:59:52,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:59:53,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:59:55,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:59:59,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:59:59,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 46 transitions. [2024-11-08 22:59:59,966 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2024-11-08 22:59:59,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:59:59,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:59,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:10,127 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:00:10,131 INFO L158 Benchmark]: Toolchain (without parser) took 130509.78ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 114.6MB in the beginning and 105.6MB in the end (delta: 9.0MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-08 23:00:10,131 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 153.1MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:10,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.58ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 101.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:00:10,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.19ms. Allocated memory is still 153.1MB. Free memory was 101.4MB in the beginning and 99.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:10,133 INFO L158 Benchmark]: Boogie Preprocessor took 21.85ms. Allocated memory is still 153.1MB. Free memory was 99.9MB in the beginning and 98.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:10,134 INFO L158 Benchmark]: RCFGBuilder took 367.28ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 85.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:00:10,135 INFO L158 Benchmark]: CodeCheck took 129792.26ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 85.3MB in the beginning and 105.6MB in the end (delta: -20.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-08 23:00:10,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 153.1MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.58ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 101.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.19ms. Allocated memory is still 153.1MB. Free memory was 101.4MB in the beginning and 99.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.85ms. Allocated memory is still 153.1MB. Free memory was 99.9MB in the beginning and 98.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.28ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 85.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 129792.26ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 85.3MB in the beginning and 105.6MB in the end (delta: -20.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:00:10,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/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_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/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 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:00:12,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:00:12,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:00:12,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:00:12,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:00:12,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:00:12,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:00:12,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:00:12,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:00:12,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:00:12,647 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:00:12,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:00:12,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:00:12,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:00:12,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:00:12,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:00:12,649 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:00:12,649 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:00:12,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:00:12,650 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:00:12,650 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:00:12,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:00:12,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:00:12,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:00:12,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:00:12,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:00:12,654 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:12,655 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:00:12,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:00:12,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:12,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:00:12,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:00:12,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:00:12,658 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:00:12,659 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:12,659 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:00:12,659 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_c9484af8-3ec1-4377-8c74-455d9cddcc00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f [2024-11-08 23:00:13,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:00:13,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:00:13,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:00:13,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:00:13,146 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:00:13,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c Unable to find full path for "g++" [2024-11-08 23:00:15,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:00:15,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:00:15,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-11-08 23:00:15,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/data/6eacaf9a3/c4716268898048d280102124305f7416/FLAGc5f989f71 [2024-11-08 23:00:15,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/data/6eacaf9a3/c4716268898048d280102124305f7416 [2024-11-08 23:00:15,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:00:15,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:00:15,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:15,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:00:15,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:00:15,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724f59ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15, skipping insertion in model container [2024-11-08 23:00:15,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:00:15,760 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_c9484af8-3ec1-4377-8c74-455d9cddcc00/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-11-08 23:00:15,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:15,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:00:15,816 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_c9484af8-3ec1-4377-8c74-455d9cddcc00/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-11-08 23:00:15,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:15,852 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:00:15,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15 WrapperNode [2024-11-08 23:00:15,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:15,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:15,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:00:15,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:00:15,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,887 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-08 23:00:15,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:15,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:00:15,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:00:15,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:00:15,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:00:15,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:00:15,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:00:15,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:00:15,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:15" (1/1) ... [2024-11-08 23:00:15,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:15,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:00:15,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:00:15,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:00:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:00:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:00:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:00:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:00:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:00:16,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:00:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:00:16,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:00:16,122 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:00:16,125 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:00:16,361 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 23:00:16,361 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:00:16,446 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:00:16,446 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:00:16,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:16 BoogieIcfgContainer [2024-11-08 23:00:16,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:00:16,447 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:00:16,448 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:00:16,458 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:00:16,458 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:16" (1/1) ... [2024-11-08 23:00:16,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:00:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 23:00:16,532 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 23:00:16,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:00:16,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:16,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:16,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:16,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:16,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:00:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:16,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:16,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:00:16,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:17,454 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 23:00:17,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:00:18,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:18,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 37 transitions. [2024-11-08 23:00:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-08 23:00:18,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:00:18,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:18,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:18,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:18,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:18,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:00:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:18,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:18,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:00:18,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 23:00:19,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:00:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 46 transitions. [2024-11-08 23:00:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-08 23:00:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:00:22,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:22,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:22,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:22,622 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:22,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:00:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:22,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:23,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:00:23,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:24,507 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:00:24,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 52 transitions. [2024-11-08 23:00:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2024-11-08 23:00:29,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:00:29,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:29,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:29,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:29,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:29,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:00:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:29,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:30,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:00:30,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 23:00:34,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:00:44,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 58 transitions. [2024-11-08 23:00:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2024-11-08 23:00:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:00:44,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:44,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:44,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:44,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:44,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:00:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:44,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:44,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:00:44,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 23:00:58,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:01:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 64 transitions. [2024-11-08 23:01:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2024-11-08 23:01:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:01:18,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:18,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:18,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:18,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:18,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:01:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:19,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:19,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 23:01:19,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 23:01:41,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:01:57,032 WARN L286 SmtUtils]: Spent 13.63s on a formula simplification. DAG size of input: 163 DAG size of output: 155 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:02:08,662 WARN L286 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:02:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 70 transitions. [2024-11-08 23:02:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2024-11-08 23:02:28,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 23:02:28,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:28,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:28,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:28,200 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:28,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:02:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:29,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:29,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:02:29,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 23:02:36,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:02:49,723 WARN L286 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 172 DAG size of output: 111 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:03:09,801 WARN L286 SmtUtils]: Spent 17.72s on a formula simplification. DAG size of input: 174 DAG size of output: 142 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:03:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 33 states and 46 transitions. [2024-11-08 23:03:27,522 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-08 23:03:27,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:03:27,523 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-08 23:03:27,532 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:03:39,561 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:03:39,561 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-08 23:03:39,561 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-11-08 23:03:39,561 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (bvule |ULTIMATE.start_main_~a~0#1| (_ bv5 32)) [2024-11-08 23:03:39,562 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2024-11-08 23:03:39,562 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-11-08 23:03:39,562 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: (bvule |ULTIMATE.start_main_~a~0#1| (_ bv5 32)) [2024-11-08 23:03:39,562 INFO L77 FloydHoareUtils]: At program point L52(line 52) the Hoare annotation is: true [2024-11-08 23:03:39,562 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:03:39,562 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: true [2024-11-08 23:03:39,563 INFO L77 FloydHoareUtils]: At program point L38-1(lines 37 50) the Hoare annotation is: true [2024-11-08 23:03:39,563 INFO L77 FloydHoareUtils]: At program point L30(line 30) the Hoare annotation is: true [2024-11-08 23:03:39,563 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-08 23:03:39,563 INFO L77 FloydHoareUtils]: At program point L43-2(lines 37 50) the Hoare annotation is: true [2024-11-08 23:03:39,563 INFO L77 FloydHoareUtils]: At program point L37-2(lines 37 50) the Hoare annotation is: true [2024-11-08 23:03:39,563 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-11-08 23:03:39,564 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 8 10) the Hoare annotation is: (not (= (_ bv0 32) |assume_abort_if_not_#in~cond|)) [2024-11-08 23:03:39,564 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-08 23:03:39,564 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (= (_ bv1 32) __VERIFIER_assert_~cond) (not (= __VERIFIER_assert_~cond |__VERIFIER_assert_#in~cond|)))) [2024-11-08 23:03:39,564 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: true [2024-11-08 23:03:39,565 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: true [2024-11-08 23:03:39,565 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-08 23:03:39,566 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-08 23:03:39,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:03:39 ImpRootNode [2024-11-08 23:03:39,583 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:03:39,584 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:03:39,584 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:03:39,584 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:03:39,585 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:16" (3/4) ... [2024-11-08 23:03:39,587 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:03:39,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 23:03:39,592 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 23:03:39,596 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-08 23:03:39,596 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-08 23:03:39,596 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:03:39,596 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:03:39,597 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:03:39,707 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:03:39,707 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:03:39,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:03:39,709 INFO L158 Benchmark]: Toolchain (without parser) took 204222.46ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 63.7MB in the beginning and 61.3MB in the end (delta: 2.4MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2024-11-08 23:03:39,709 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 52.4MB. Free memory is still 28.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:03:39,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.37ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 50.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:03:39,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.63ms. Allocated memory is still 88.1MB. Free memory was 50.3MB in the beginning and 48.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:39,710 INFO L158 Benchmark]: Boogie Preprocessor took 37.26ms. Allocated memory is still 88.1MB. Free memory was 48.6MB in the beginning and 47.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:39,711 INFO L158 Benchmark]: RCFGBuilder took 519.39ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 54.3MB in the end (delta: -7.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-11-08 23:03:39,712 INFO L158 Benchmark]: CodeCheck took 203135.90ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 54.3MB in the beginning and 66.5MB in the end (delta: -12.2MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-11-08 23:03:39,712 INFO L158 Benchmark]: Witness Printer took 124.05ms. Allocated memory is still 138.4MB. Free memory was 66.5MB in the beginning and 61.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:03:39,714 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: 191.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 25.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 290 SdHoareTripleChecker+Invalid, 23.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 334 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 970 IncrementalHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 334 mSolverCounterUnsat, 194 mSDtfsCounter, 970 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2301 GetRequests, 2169 SyntacticMatches, 68 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1447 ImplicationChecksByTransitivity, 149.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 50.5s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 6515 SizeOfPredicates, 10 NumberOfNonLiveVariables, 585 ConjunctsInSsa, 170 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 336/412 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: (0 != cond) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 52.4MB. Free memory is still 28.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.37ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 50.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.63ms. Allocated memory is still 88.1MB. Free memory was 50.3MB in the beginning and 48.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.26ms. Allocated memory is still 88.1MB. Free memory was 48.6MB in the beginning and 47.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.39ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 54.3MB in the end (delta: -7.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * CodeCheck took 203135.90ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 54.3MB in the beginning and 66.5MB in the end (delta: -12.2MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Witness Printer took 124.05ms. Allocated memory is still 138.4MB. Free memory was 66.5MB in the beginning and 61.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:03:39,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9484af8-3ec1-4377-8c74-455d9cddcc00/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE