./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.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_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/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_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/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_d08d37b0-3deb-4f1b-817c-eb9065547377/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 f07dfd29134e87fb8840c55cea4fca74cbf39cfbb92d83a07db93f4706876200 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:44:14,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:44:14,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:44:14,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:44:14,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:44:14,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:44:14,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:44:14,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:44:14,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:44:14,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:44:14,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:44:14,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:44:14,385 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:44:14,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:44:14,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:44:14,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:44:14,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:44:14,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:44:14,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:44:14,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:44:14,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:44:14,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:44:14,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:44:14,399 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:44:14,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:44:14,400 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:44:14,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:44:14,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:44:14,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:44:14,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:44:14,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:44:14,406 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:44:14,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:44:14,408 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_d08d37b0-3deb-4f1b-817c-eb9065547377/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f07dfd29134e87fb8840c55cea4fca74cbf39cfbb92d83a07db93f4706876200 [2024-11-09 00:44:14,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:44:14,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:44:14,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:44:14,798 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:44:14,798 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:44:14,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c Unable to find full path for "g++" [2024-11-09 00:44:17,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:44:17,401 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:44:17,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-11-09 00:44:17,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/data/b3c1a2d34/5720b597938e4822aaa67f0b7ab39f55/FLAGfd4c00e19 [2024-11-09 00:44:17,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/data/b3c1a2d34/5720b597938e4822aaa67f0b7ab39f55 [2024-11-09 00:44:17,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:44:17,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:44:17,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:44:17,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:44:17,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:44:17,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:44:17" (1/1) ... [2024-11-09 00:44:17,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330d31a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:17, skipping insertion in model container [2024-11-09 00:44:17,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:44:17" (1/1) ... [2024-11-09 00:44:17,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:44:18,043 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_d08d37b0-3deb-4f1b-817c-eb9065547377/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-11-09 00:44:18,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:44:18,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:44:18,093 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_d08d37b0-3deb-4f1b-817c-eb9065547377/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-11-09 00:44:18,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:44:18,120 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:44:18,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18 WrapperNode [2024-11-09 00:44:18,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:44:18,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:44:18,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:44:18,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:44:18,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,157 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-09 00:44:18,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:44:18,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:44:18,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:44:18,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:44:18,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:44:18,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:44:18,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:44:18,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:44:18,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:44:18,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:44:18,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:44:18,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:44:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:44:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:44:18,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:44:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:44:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:44:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:44:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:44:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:44:18,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:44:18,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:44:18,591 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:44:18,592 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:44:18,649 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:44:18,649 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:44:18,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:18 BoogieIcfgContainer [2024-11-09 00:44:18,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:44:18,655 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:44:18,655 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:44:18,666 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:44:18,666 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:44:18" (1/1) ... [2024-11-09 00:44:18,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:44:18,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:18,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-09 00:44:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-09 00:44:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:44:18,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:18,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:44:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:19,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:44:19,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:44:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 00:44:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-09 00:44:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-09 00:44:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:44:19,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:19,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 00:44:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-09 00:44:21,571 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-09 00:44:21,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:44:21,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:21,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:44:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:24,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:44:24,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:45:00,108 WARN L286 SmtUtils]: Spent 10.03s 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) [2024-11-09 00:45:08,917 WARN L286 SmtUtils]: Spent 8.81s 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) [2024-11-09 00:45:18,958 WARN L286 SmtUtils]: Spent 10.04s 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) [2024-11-09 00:45:30,493 WARN L286 SmtUtils]: Spent 11.53s 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) [2024-11-09 00:45:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 00:46:11,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:46:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2024-11-09 00:46:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2024-11-09 00:46:12,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:46:12,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:12,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:46:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:46:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:15,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:46:15,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:38,298 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:46:48,370 WARN L286 SmtUtils]: Spent 10.07s 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) [2024-11-09 00:46:58,685 WARN L286 SmtUtils]: Spent 10.31s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:47:07,741 WARN L286 SmtUtils]: Spent 9.05s 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) [2024-11-09 00:47:17,806 WARN L286 SmtUtils]: Spent 10.06s 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) [2024-11-09 00:47:27,827 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:47:31,480 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 00:47:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-09 00:47:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-09 00:47:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:47:36,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:36,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:47:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:47:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:37,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:47:37,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 00:48:37,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:48:49,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:48:57,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.59s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:48:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:57,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2024-11-09 00:48:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2024-11-09 00:48:57,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:48:57,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:57,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:49:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:00,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:49:00,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:20,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 53 transitions. [2024-11-09 00:49:20,843 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2024-11-09 00:49:20,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:49:20,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:20,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:49:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:23,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:49:23,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 00:50:28,882 WARN L286 SmtUtils]: Spent 9.88s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:51:00,181 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:51:54,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:52:04,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:52:06,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:52:07,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 43 states and 69 transitions. [2024-11-09 00:52:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2024-11-09 00:52:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:52:07,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:07,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:17,215 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 00:52:17,218 INFO L158 Benchmark]: Toolchain (without parser) took 479414.71ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 120.7MB in the end (delta: 23.3MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-09 00:52:17,219 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 134.2MB. Free memory was 83.8MB in the beginning and 83.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:52:17,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.12ms. Allocated memory is still 182.5MB. Free memory was 143.5MB in the beginning and 130.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:52:17,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.27ms. Allocated memory is still 182.5MB. Free memory was 130.7MB in the beginning and 129.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:52:17,221 INFO L158 Benchmark]: Boogie Preprocessor took 37.28ms. Allocated memory is still 182.5MB. Free memory was 129.2MB in the beginning and 128.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:52:17,221 INFO L158 Benchmark]: RCFGBuilder took 456.39ms. Allocated memory is still 182.5MB. Free memory was 127.7MB in the beginning and 114.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:52:17,222 INFO L158 Benchmark]: CodeCheck took 478562.46ms. Allocated memory is still 182.5MB. Free memory was 114.2MB in the beginning and 120.7MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:52:17,226 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 0.41ms. Allocated memory is still 134.2MB. Free memory was 83.8MB in the beginning and 83.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.12ms. Allocated memory is still 182.5MB. Free memory was 143.5MB in the beginning and 130.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.27ms. Allocated memory is still 182.5MB. Free memory was 130.7MB in the beginning and 129.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.28ms. Allocated memory is still 182.5MB. Free memory was 129.2MB in the beginning and 128.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.39ms. Allocated memory is still 182.5MB. Free memory was 127.7MB in the beginning and 114.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 478562.46ms. Allocated memory is still 182.5MB. Free memory was 114.2MB in the beginning and 120.7MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:52:17,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/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 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_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/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_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/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_d08d37b0-3deb-4f1b-817c-eb9065547377/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 f07dfd29134e87fb8840c55cea4fca74cbf39cfbb92d83a07db93f4706876200 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:52:19,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:52:19,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:52:19,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:52:19,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:52:19,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:52:19,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:52:19,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:52:19,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:52:19,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:52:19,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:52:19,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:52:19,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:52:19,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:52:19,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:52:19,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:52:19,774 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:52:19,779 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:52:19,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:52:19,779 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:52:19,780 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:52:19,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:52:19,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:52:19,781 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:52:19,781 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:52:19,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:52:19,782 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:19,782 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:52:19,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:52:19,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:19,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:52:19,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:52:19,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:52:19,783 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:52:19,786 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:19,786 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:52:19,786 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_d08d37b0-3deb-4f1b-817c-eb9065547377/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f07dfd29134e87fb8840c55cea4fca74cbf39cfbb92d83a07db93f4706876200 [2024-11-09 00:52:20,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:52:20,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:52:20,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:52:20,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:52:20,253 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:52:20,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c Unable to find full path for "g++" [2024-11-09 00:52:22,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:52:22,762 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:52:22,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-11-09 00:52:22,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/data/12387743a/007e12be746642e8a676fce153e908d7/FLAGb72a196bb [2024-11-09 00:52:23,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/data/12387743a/007e12be746642e8a676fce153e908d7 [2024-11-09 00:52:23,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:52:23,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:52:23,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:23,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:52:23,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:52:23,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435f0af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23, skipping insertion in model container [2024-11-09 00:52:23,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:52:23,290 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_d08d37b0-3deb-4f1b-817c-eb9065547377/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-11-09 00:52:23,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:23,336 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:52:23,351 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_d08d37b0-3deb-4f1b-817c-eb9065547377/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-11-09 00:52:23,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:23,377 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:52:23,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23 WrapperNode [2024-11-09 00:52:23,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:23,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:23,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:52:23,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:52:23,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,415 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-09 00:52:23,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:23,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:52:23,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:52:23,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:52:23,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:52:23,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:52:23,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:52:23,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:52:23,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:23,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:52:23,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:52:23,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:52:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:52:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:52:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:52:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:52:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:52:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:52:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:52:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:52:23,617 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:52:23,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:52:23,896 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:52:23,896 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:52:23,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:52:23,963 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:52:23,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:23 BoogieIcfgContainer [2024-11-09 00:52:23,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:52:23,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:52:23,965 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:52:23,976 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:52:23,976 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:52:24,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-09 00:52:24,036 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-09 00:52:24,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:52:24,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:24,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:24,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:24,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:24,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:52:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:24,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:25,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:52:25,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 00:52:26,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:52:28,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:52:28,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:28,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 37 transitions. [2024-11-09 00:52:28,763 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-09 00:52:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:52:28,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:28,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:28,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:28,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:28,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:52:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:28,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:28,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:52:28,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 00:52:30,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:52:32,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:52:43,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.44s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:52:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 46 transitions. [2024-11-09 00:52:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-09 00:52:43,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:52:43,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:43,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:43,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:43,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:43,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:52:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:44,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:50,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:52:50,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 00:52:55,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 00:53:32,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:37,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:42,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:53:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:42,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2024-11-09 00:53:42,306 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-09 00:53:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:53:42,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:42,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:42,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:42,311 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:42,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:53:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:43,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:53:53,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:53:53,848 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 00:53:53,852 INFO L158 Benchmark]: Toolchain (without parser) took 90808.76ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 59.9MB in the beginning and 75.5MB in the end (delta: -15.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-09 00:53:53,852 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:53:53,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.47ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 46.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:53:53,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.79ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 45.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:53:53,854 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 43.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:53:53,855 INFO L158 Benchmark]: RCFGBuilder took 516.35ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 55.6MB in the end (delta: -11.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-09 00:53:53,856 INFO L158 Benchmark]: CodeCheck took 89886.45ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 55.6MB in the beginning and 75.5MB in the end (delta: -20.0MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-09 00:53:53,859 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 0.69ms. Allocated memory is still 83.9MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.47ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 46.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.79ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 45.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 43.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.35ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 55.6MB in the end (delta: -11.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * CodeCheck took 89886.45ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 55.6MB in the beginning and 75.5MB in the end (delta: -20.0MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:53:53,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d08d37b0-3deb-4f1b-817c-eb9065547377/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