./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/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_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/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_313c658c-02e0-477e-b567-c9874971fcb1/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 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:29,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:29,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:30:29,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:30:29,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:30:29,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:29,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:29,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:29,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:29,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:29,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:29,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:29,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:30:29,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:30:29,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:30:29,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:29,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:29,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:29,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:29,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:29,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:30:29,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:29,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:29,276 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:29,276 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:29,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:29,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:29,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:29,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:29,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:29,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:29,278 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:30:29,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:30:29,279 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_313c658c-02e0-477e-b567-c9874971fcb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d [2024-11-09 00:30:29,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:29,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:29,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:29,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:29,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:29,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c Unable to find full path for "g++" [2024-11-09 00:30:31,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:30:31,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:30:31,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-11-09 00:30:31,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/data/2bf163883/6d3ad23f30504d28a92ee4d7a28e0841/FLAG1e3bb2a77 [2024-11-09 00:30:31,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/data/2bf163883/6d3ad23f30504d28a92ee4d7a28e0841 [2024-11-09 00:30:31,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:30:31,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:30:31,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:31,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:30:31,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:30:31,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:31" (1/1) ... [2024-11-09 00:30:31,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697b956b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:31, skipping insertion in model container [2024-11-09 00:30:31,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:31" (1/1) ... [2024-11-09 00:30:31,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:30:32,040 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_313c658c-02e0-477e-b567-c9874971fcb1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-09 00:30:32,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:32,078 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:30:32,093 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_313c658c-02e0-477e-b567-c9874971fcb1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-09 00:30:32,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:32,129 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:30:32,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32 WrapperNode [2024-11-09 00:30:32,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:32,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:32,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:30:32,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:30:32,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,170 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-09 00:30:32,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:32,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:30:32,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:30:32,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:30:32,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:30:32,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:30:32,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:30:32,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:30:32,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:32,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:30:32,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:30:32,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:30:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:30:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:30:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:30:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:30:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:30:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:30:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:30:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:30:32,358 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:30:32,362 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:30:32,551 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:30:32,552 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:30:32,634 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:30:32,634 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:30:32,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:32 BoogieIcfgContainer [2024-11-09 00:30:32,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:30:32,636 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:30:32,636 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:30:32,646 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:30:32,646 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:32" (1/1) ... [2024-11-09 00:30:32,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:30:32,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-09 00:30:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-09 00:30:32,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:30:32,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:32,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:30:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-09 00:30:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-09 00:30:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:30:32,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:32,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:30:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:33,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:33,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:30:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-09 00:30:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-09 00:30:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:30:33,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:33,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:30:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 39 transitions. [2024-11-09 00:30:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-09 00:30:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:30:34,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:34,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:30:37,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2024-11-09 00:30:37,027 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-09 00:30:37,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:30:37,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:37,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:30:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:30:49,151 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) [2024-11-09 00:30:49,155 INFO L158 Benchmark]: Toolchain (without parser) took 17387.73ms. Allocated memory is still 146.8MB. Free memory was 107.6MB in the beginning and 54.2MB in the end (delta: 53.4MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2024-11-09 00:30:49,155 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:49,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.12ms. Allocated memory is still 146.8MB. Free memory was 107.6MB in the beginning and 95.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:30:49,157 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.50ms. Allocated memory is still 146.8MB. Free memory was 94.6MB in the beginning and 93.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:49,158 INFO L158 Benchmark]: Boogie Preprocessor took 36.39ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 92.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:30:49,158 INFO L158 Benchmark]: RCFGBuilder took 426.41ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 117.3MB in the end (delta: -25.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-09 00:30:49,159 INFO L158 Benchmark]: CodeCheck took 16517.16ms. Allocated memory is still 146.8MB. Free memory was 117.3MB in the beginning and 54.2MB in the end (delta: 63.1MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2024-11-09 00:30:49,163 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 0.28ms. Allocated memory is still 107.0MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.12ms. Allocated memory is still 146.8MB. Free memory was 107.6MB in the beginning and 95.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.50ms. Allocated memory is still 146.8MB. Free memory was 94.6MB in the beginning and 93.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.39ms. Allocated memory is still 146.8MB. Free memory was 93.4MB in the beginning and 92.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.41ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 117.3MB in the end (delta: -25.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * CodeCheck took 16517.16ms. Allocated memory is still 146.8MB. Free memory was 117.3MB in the beginning and 54.2MB in the end (delta: 63.1MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:30:49,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/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_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/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_313c658c-02e0-477e-b567-c9874971fcb1/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 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:51,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:51,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:30:51,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:51,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:51,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:51,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:51,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:51,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:51,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:51,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:30:51,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:30:51,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:51,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:51,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:51,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:51,719 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:30:51,720 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:30:51,720 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:51,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:30:51,724 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:30:51,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:51,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:51,726 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:51,726 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:51,727 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:51,727 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:51,727 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:30:51,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:51,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:51,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:51,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:51,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:51,732 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:30:51,732 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:51,732 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:30:51,732 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_313c658c-02e0-477e-b567-c9874971fcb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d [2024-11-09 00:30:52,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:52,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:52,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:52,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:52,120 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:52,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c Unable to find full path for "g++" [2024-11-09 00:30:54,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:30:54,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:30:54,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-11-09 00:30:54,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/data/dccb55263/94d557ae8c2a48aea871ee9eb63cd912/FLAGc2781229a [2024-11-09 00:30:54,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/data/dccb55263/94d557ae8c2a48aea871ee9eb63cd912 [2024-11-09 00:30:54,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:30:54,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:30:54,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:54,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:30:54,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:30:54,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea04871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54, skipping insertion in model container [2024-11-09 00:30:54,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:30:54,709 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_313c658c-02e0-477e-b567-c9874971fcb1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-09 00:30:54,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:54,750 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:30:54,769 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_313c658c-02e0-477e-b567-c9874971fcb1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-09 00:30:54,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:54,804 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:30:54,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54 WrapperNode [2024-11-09 00:30:54,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:54,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:54,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:30:54,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:30:54,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,847 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-09 00:30:54,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:54,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:30:54,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:30:54,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:30:54,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:30:54,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:30:54,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:30:54,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:30:54,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:54" (1/1) ... [2024-11-09 00:30:54,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:54,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:30:54,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:30:54,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:30:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:30:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:30:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:30:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:30:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:30:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:30:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:30:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:30:55,048 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:30:55,050 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:30:55,256 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:30:55,256 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:30:55,340 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:30:55,340 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:30:55,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:55 BoogieIcfgContainer [2024-11-09 00:30:55,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:30:55,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:30:55,343 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:30:55,353 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:30:55,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:30:55" (1/1) ... [2024-11-09 00:30:55,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:30:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:55,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-09 00:30:55,428 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-09 00:30:55,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:30:55,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:55,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:55,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:55,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:55,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:30:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:55,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:55,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:30:55,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:30:55,644 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:30:55,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:30:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:55,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-09 00:30:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-09 00:30:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:30:55,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:55,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:55,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:55,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:55,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:30:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:55,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:31:06,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:06,075 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) [2024-11-09 00:31:06,080 INFO L158 Benchmark]: Toolchain (without parser) took 11641.21ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 50.9MB in the beginning and 71.2MB in the end (delta: -20.3MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-11-09 00:31:06,081 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 50.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:31:06,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.07ms. Allocated memory is still 75.5MB. Free memory was 50.7MB in the beginning and 37.5MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:31:06,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.39ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 36.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:31:06,083 INFO L158 Benchmark]: Boogie Preprocessor took 43.27ms. Allocated memory is still 75.5MB. Free memory was 36.0MB in the beginning and 34.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:31:06,086 INFO L158 Benchmark]: RCFGBuilder took 448.59ms. Allocated memory is still 75.5MB. Free memory was 34.7MB in the beginning and 43.5MB in the end (delta: -8.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-11-09 00:31:06,087 INFO L158 Benchmark]: CodeCheck took 10736.25ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 43.2MB in the beginning and 71.2MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:31:06,094 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 0.22ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 50.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.07ms. Allocated memory is still 75.5MB. Free memory was 50.7MB in the beginning and 37.5MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.39ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 36.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.27ms. Allocated memory is still 75.5MB. Free memory was 36.0MB in the beginning and 34.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.59ms. Allocated memory is still 75.5MB. Free memory was 34.7MB in the beginning and 43.5MB in the end (delta: -8.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * CodeCheck took 10736.25ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 43.2MB in the beginning and 71.2MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:31:06,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313c658c-02e0-477e-b567-c9874971fcb1/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown