./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/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_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/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_38308a89-ffe7-4872-8a99-d53a1f629551/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 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:24:02,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:24:02,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:24:02,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:24:02,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:24:02,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:24:02,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:24:02,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:24:02,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:24:02,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:24:02,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:24:02,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:24:02,374 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:24:02,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:24:02,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:24:02,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:24:02,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:24:02,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:24:02,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:24:02,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:24:02,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:24:02,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:24:02,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:24:02,382 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:24:02,382 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:24:02,383 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:24:02,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:24:02,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:02,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:24:02,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:24:02,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:24:02,384 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:24:02,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:24:02,385 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_38308a89-ffe7-4872-8a99-d53a1f629551/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2024-11-09 00:24:02,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:24:02,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:24:02,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:24:02,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:24:02,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:24:02,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c Unable to find full path for "g++" [2024-11-09 00:24:04,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:24:05,008 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:24:05,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-11-09 00:24:05,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/data/342c07255/d405d4d39a554855a2ffbb6bd6892e9d/FLAGe0422b41c [2024-11-09 00:24:05,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/data/342c07255/d405d4d39a554855a2ffbb6bd6892e9d [2024-11-09 00:24:05,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:24:05,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:24:05,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:05,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:24:05,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:24:05,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135dda18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05, skipping insertion in model container [2024-11-09 00:24:05,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:24:05,222 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_38308a89-ffe7-4872-8a99-d53a1f629551/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-09 00:24:05,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:05,248 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:24:05,260 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_38308a89-ffe7-4872-8a99-d53a1f629551/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-09 00:24:05,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:05,285 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:24:05,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05 WrapperNode [2024-11-09 00:24:05,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:05,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:05,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:24:05,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:24:05,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,315 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-09 00:24:05,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:05,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:24:05,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:24:05,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:24:05,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:24:05,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:24:05,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:24:05,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:24:05,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:05,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:24:05,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:24:05,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:24:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:24:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:24:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:24:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:24:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:24:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:24:05,462 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:24:05,463 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:24:05,602 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:24:05,602 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:24:05,642 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:24:05,642 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:24:05,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:05 BoogieIcfgContainer [2024-11-09 00:24:05,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:24:05,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:24:05,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:24:05,656 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:24:05,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:05" (1/1) ... [2024-11-09 00:24:05,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:24:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-09 00:24:05,717 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-09 00:24:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:24:05,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:05,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:05,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:24:05,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:06,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-09 00:24:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-09 00:24:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:24:06,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:06,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:06,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:24:06,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-09 00:24:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-09 00:24:06,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:24:06,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:06,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:06,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:24:06,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:06,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:07,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2024-11-09 00:24:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2024-11-09 00:24:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:24:07,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:07,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:24:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 32 transitions. [2024-11-09 00:24:07,636 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-09 00:24:07,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:24:07,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:07,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:07,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:24:07,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:07,873 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:24:08,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:08,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 48 transitions. [2024-11-09 00:24:08,473 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-09 00:24:08,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:24:08,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:08,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:08,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:24:08,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:24:08,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:08,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 52 transitions. [2024-11-09 00:24:08,975 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-09 00:24:08,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:24:08,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:08,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:24:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:09,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 54 transitions. [2024-11-09 00:24:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-09 00:24:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:24:09,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:09,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:09,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:24:09,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:24:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:10,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 68 transitions. [2024-11-09 00:24:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-09 00:24:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:24:10,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:10,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:10,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:24:10,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:24:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:11,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 72 transitions. [2024-11-09 00:24:11,094 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-09 00:24:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:24:11,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:11,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:24:11,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 74 transitions. [2024-11-09 00:24:11,419 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-11-09 00:24:11,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:24:11,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:11,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:11,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:24:11,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:24:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:12,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 88 transitions. [2024-11-09 00:24:12,864 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2024-11-09 00:24:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:24:12,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:12,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:12,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:24:12,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:24:13,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:13,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 92 transitions. [2024-11-09 00:24:13,549 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2024-11-09 00:24:13,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:24:13,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:13,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:13,637 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-09 00:24:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 53 states and 94 transitions. [2024-11-09 00:24:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2024-11-09 00:24:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:24:13,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:13,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:13,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:24:13,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:24:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 108 transitions. [2024-11-09 00:24:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2024-11-09 00:24:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:24:15,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:15,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:15,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:24:15,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:24:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:16,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 112 transitions. [2024-11-09 00:24:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2024-11-09 00:24:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:24:16,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:16,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-09 00:24:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:16,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 114 transitions. [2024-11-09 00:24:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2024-11-09 00:24:16,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:24:16,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:16,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:16,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-09 00:24:16,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:17,428 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 31 proven. 50 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:24:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 70 states and 128 transitions. [2024-11-09 00:24:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2024-11-09 00:24:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:24:18,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:18,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:19,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:24:19,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 00:24:20,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 132 transitions. [2024-11-09 00:24:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 132 transitions. [2024-11-09 00:24:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 00:24:20,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:20,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-09 00:24:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:21,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 73 states and 134 transitions. [2024-11-09 00:24:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2024-11-09 00:24:21,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:24:21,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:21,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:21,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 00:24:21,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:24:23,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 148 transitions. [2024-11-09 00:24:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 148 transitions. [2024-11-09 00:24:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:24:23,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:23,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:23,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:24:23,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 00:24:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 152 transitions. [2024-11-09 00:24:24,752 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2024-11-09 00:24:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 00:24:24,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:24,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-09 00:24:25,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 83 states and 154 transitions. [2024-11-09 00:24:25,276 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 154 transitions. [2024-11-09 00:24:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:24:25,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:25,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:25,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-09 00:24:25,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 32 proven. 104 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 00:24:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 90 states and 168 transitions. [2024-11-09 00:24:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 168 transitions. [2024-11-09 00:24:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 00:24:27,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:27,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:28,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 00:24:28,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 00:24:29,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 172 transitions. [2024-11-09 00:24:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2024-11-09 00:24:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:24:29,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:29,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-09 00:24:30,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 93 states and 174 transitions. [2024-11-09 00:24:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 174 transitions. [2024-11-09 00:24:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 00:24:30,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:30,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:30,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 00:24:30,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:24:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 100 states and 188 transitions. [2024-11-09 00:24:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 188 transitions. [2024-11-09 00:24:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 00:24:33,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:33,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:33,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:24:33,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 41 proven. 127 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:24:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 102 states and 192 transitions. [2024-11-09 00:24:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2024-11-09 00:24:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 00:24:35,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:35,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:35,258 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-09 00:24:35,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 103 states and 194 transitions. [2024-11-09 00:24:35,772 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 194 transitions. [2024-11-09 00:24:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 00:24:35,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:35,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:35,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 00:24:35,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 20 proven. 135 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 00:24:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 110 states and 208 transitions. [2024-11-09 00:24:38,801 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 208 transitions. [2024-11-09 00:24:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 00:24:38,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:38,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:39,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 00:24:39,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 42 proven. 181 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-09 00:24:40,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:40,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 112 states and 212 transitions. [2024-11-09 00:24:40,840 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2024-11-09 00:24:40,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 00:24:40,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:40,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-09 00:24:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 113 states and 214 transitions. [2024-11-09 00:24:41,545 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 214 transitions. [2024-11-09 00:24:41,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 00:24:41,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:41,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:41,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 00:24:41,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 22 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 00:24:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 120 states and 228 transitions. [2024-11-09 00:24:45,056 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 228 transitions. [2024-11-09 00:24:45,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 00:24:45,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:45,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:45,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 00:24:45,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 47 proven. 216 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-09 00:24:46,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 122 states and 232 transitions. [2024-11-09 00:24:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 232 transitions. [2024-11-09 00:24:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 00:24:46,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:46,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:47,051 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-09 00:24:47,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:47,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 123 states and 234 transitions. [2024-11-09 00:24:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 234 transitions. [2024-11-09 00:24:47,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 00:24:47,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:47,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:47,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-09 00:24:47,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 24 proven. 198 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 00:24:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 248 transitions. [2024-11-09 00:24:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 248 transitions. [2024-11-09 00:24:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 00:24:51,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:51,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:51,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:24:51,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-09 00:24:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 252 transitions. [2024-11-09 00:24:53,767 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 252 transitions. [2024-11-09 00:24:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 00:24:53,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:53,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:53,860 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-09 00:24:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 254 transitions. [2024-11-09 00:24:54,461 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 254 transitions. [2024-11-09 00:24:54,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 00:24:54,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:54,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:54,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-09 00:24:54,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 26 proven. 234 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 00:24:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 140 states and 268 transitions. [2024-11-09 00:24:58,589 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2024-11-09 00:24:58,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 00:24:58,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:58,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:24:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:58,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 00:24:58,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 61 proven. 261 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-09 00:25:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 272 transitions. [2024-11-09 00:25:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2024-11-09 00:25:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 00:25:00,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:00,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-11-09 00:25:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 143 states and 274 transitions. [2024-11-09 00:25:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 274 transitions. [2024-11-09 00:25:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 00:25:01,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:01,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:01,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-09 00:25:01,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 28 proven. 273 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 00:25:06,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 150 states and 288 transitions. [2024-11-09 00:25:06,374 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 288 transitions. [2024-11-09 00:25:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 00:25:06,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:06,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:16,452 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 00:25:16,456 INFO L158 Benchmark]: Toolchain (without parser) took 71423.38ms. Allocated memory was 138.4MB in the beginning and 522.2MB in the end (delta: 383.8MB). Free memory was 107.2MB in the beginning and 414.2MB in the end (delta: -307.0MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2024-11-09 00:25:16,457 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:16,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.73ms. Allocated memory is still 138.4MB. Free memory was 107.2MB in the beginning and 94.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:25:16,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.31ms. Allocated memory is still 138.4MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:25:16,458 INFO L158 Benchmark]: Boogie Preprocessor took 21.63ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 92.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:16,458 INFO L158 Benchmark]: RCFGBuilder took 304.39ms. Allocated memory is still 138.4MB. Free memory was 92.0MB in the beginning and 80.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:25:16,459 INFO L158 Benchmark]: CodeCheck took 70810.66ms. Allocated memory was 138.4MB in the beginning and 522.2MB in the end (delta: 383.8MB). Free memory was 80.0MB in the beginning and 414.2MB in the end (delta: -334.3MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-11-09 00:25:16,466 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 0.35ms. Allocated memory is still 107.0MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.73ms. Allocated memory is still 138.4MB. Free memory was 107.2MB in the beginning and 94.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.31ms. Allocated memory is still 138.4MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.63ms. Allocated memory is still 138.4MB. Free memory was 93.1MB in the beginning and 92.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.39ms. Allocated memory is still 138.4MB. Free memory was 92.0MB in the beginning and 80.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 70810.66ms. Allocated memory was 138.4MB in the beginning and 522.2MB in the end (delta: 383.8MB). Free memory was 80.0MB in the beginning and 414.2MB in the end (delta: -334.3MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:25:16,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/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_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/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_38308a89-ffe7-4872-8a99-d53a1f629551/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 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:25:19,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:25:19,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:25:19,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:25:19,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:25:19,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:25:19,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:25:19,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:25:19,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:25:19,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:25:19,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:25:19,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:25:19,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:25:19,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:25:19,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:25:19,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:25:19,221 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:25:19,224 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:25:19,225 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:25:19,225 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:25:19,225 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:25:19,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:25:19,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:25:19,230 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:25:19,230 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:25:19,231 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:25:19,231 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:19,231 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:25:19,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:25:19,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:19,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:25:19,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:25:19,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:25:19,235 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:25:19,236 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:19,236 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:25:19,236 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_38308a89-ffe7-4872-8a99-d53a1f629551/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2024-11-09 00:25:19,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:25:19,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:25:19,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:25:19,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:25:19,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:25:19,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c Unable to find full path for "g++" [2024-11-09 00:25:21,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:25:22,206 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:25:22,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-11-09 00:25:22,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/data/d439caf24/0e02f194f72f4881b4a1bdbce9dd47ee/FLAG748aa1762 [2024-11-09 00:25:22,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/data/d439caf24/0e02f194f72f4881b4a1bdbce9dd47ee [2024-11-09 00:25:22,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:25:22,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:25:22,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:22,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:25:22,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:25:22,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:22,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3028e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22, skipping insertion in model container [2024-11-09 00:25:22,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:22,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:25:22,841 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_38308a89-ffe7-4872-8a99-d53a1f629551/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-09 00:25:22,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:22,879 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:25:22,893 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_38308a89-ffe7-4872-8a99-d53a1f629551/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-09 00:25:22,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:22,927 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:25:22,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22 WrapperNode [2024-11-09 00:25:22,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:22,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:22,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:25:22,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:25:22,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:22,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:22,967 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-09 00:25:22,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:22,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:25:22,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:25:22,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:25:22,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:22,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:22,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:22,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:22,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:22,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:23,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:23,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:23,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:25:23,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:25:23,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:25:23,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:25:23,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:22" (1/1) ... [2024-11-09 00:25:23,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:23,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:25:23,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:25:23,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:25:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:25:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:25:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:25:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:25:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:25:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:25:23,200 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:25:23,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:25:23,498 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:25:23,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:25:23,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:25:23,603 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:25:23,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:23 BoogieIcfgContainer [2024-11-09 00:25:23,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:25:23,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:25:23,606 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:25:23,617 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:25:23,619 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:23" (1/1) ... [2024-11-09 00:25:23,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:25:23,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-09 00:25:23,733 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-09 00:25:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:25:23,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:23,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:23,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:23,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:23,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:25:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:24,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:24,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:25:24,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:24,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:25:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:26,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-09 00:25:26,175 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-09 00:25:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:25:26,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:26,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:26,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:26,183 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:26,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:25:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:26,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:26,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:25:26,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:27,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:25:31,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:31,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-09 00:25:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-09 00:25:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:25:31,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:31,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:31,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:31,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:31,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:25:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:32,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:32,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:25:32,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:32,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:32,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:25:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:35,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2024-11-09 00:25:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-11-09 00:25:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:25:35,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:35,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:35,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:35,870 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:35,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:25:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:35,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:36,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:25:36,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:48,164 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:25:48,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:14,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:14,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-11-09 00:26:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-11-09 00:26:14,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:26:14,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:14,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:14,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:14,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:14,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:26:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:14,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:15,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:15,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:17,479 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:26:17,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:30,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2024-11-09 00:26:30,437 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2024-11-09 00:26:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:26:30,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:30,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:30,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:30,441 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:30,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:26:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:31,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:31,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:26:31,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:32,421 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:26:32,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2024-11-09 00:26:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2024-11-09 00:26:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:26:39,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:39,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:39,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:39,601 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:39,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:26:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:39,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:39,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:26:39,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:42,721 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:26:42,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:26:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:57,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2024-11-09 00:26:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2024-11-09 00:26:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:26:57,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:57,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:57,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:57,139 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:57,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:26:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:57,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:58,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:26:58,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:27:01,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:27:14,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2024-11-09 00:27:14,255 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2024-11-09 00:27:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:27:14,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:14,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:14,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:14,259 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:14,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:27:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:15,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:15,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:27:15,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:27:17,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:26,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 47 states and 94 transitions. [2024-11-09 00:27:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2024-11-09 00:27:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:27:26,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:26,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:26,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:26,766 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:26,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:27:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:26,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:27,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:27:27,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:27:30,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:47,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:47,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2024-11-09 00:27:47,628 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2024-11-09 00:27:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:27:47,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:47,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:47,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:47,636 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:47,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:27:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:48,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:49,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:27:49,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:27:52,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:10,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:28:12,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:28:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2024-11-09 00:28:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-11-09 00:28:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:28:12,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:12,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:12,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:12,455 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:12,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:28:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:14,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:14,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:28:14,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:28:16,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:28:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 114 transitions. [2024-11-09 00:28:26,563 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2024-11-09 00:28:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:28:26,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:26,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:26,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:26,569 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:26,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:28:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:26,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:27,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:28:27,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-09 00:28:30,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 00:28:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 117 transitions. [2024-11-09 00:28:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 117 transitions. [2024-11-09 00:28:50,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:28:50,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:50,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:50,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:50,397 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:50,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:28:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:51,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:52,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:28:52,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:28:59,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:29:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 60 states and 128 transitions. [2024-11-09 00:29:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 128 transitions. [2024-11-09 00:29:21,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:29:21,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:21,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:21,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:21,526 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:21,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:29:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:23,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:24,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 00:29:24,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 17 proven. 51 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:29:26,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 134 transitions. [2024-11-09 00:29:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 134 transitions. [2024-11-09 00:29:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:29:39,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:39,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:39,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:39,140 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:39,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:29:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:39,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:39,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:29:39,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-09 00:29:43,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 64 states and 137 transitions. [2024-11-09 00:30:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2024-11-09 00:30:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:30:04,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:04,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:04,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:04,414 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:04,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:30:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:06,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:06,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:30:06,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:12,365 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 00:30:12,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:36,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 68 states and 148 transitions. [2024-11-09 00:30:36,917 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 148 transitions. [2024-11-09 00:30:36,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:30:36,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:36,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:36,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:36,920 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:36,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:30:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:38,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:39,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:30:39,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:30:43,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 71 states and 154 transitions. [2024-11-09 00:30:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2024-11-09 00:30:57,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 00:30:57,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:57,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:57,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:57,244 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:57,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:30:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:57,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:57,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:30:57,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-09 00:31:01,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-09 00:31:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 72 states and 157 transitions. [2024-11-09 00:31:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 157 transitions. [2024-11-09 00:31:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:31:24,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:24,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:24,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:24,047 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:24,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:31:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:25,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:26,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:31:26,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 82 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 00:31:35,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:06,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2024-11-09 00:32:06,448 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2024-11-09 00:32:06,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:32:06,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:06,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:06,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:06,451 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:06,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:32:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:08,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:09,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 00:32:09,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:13,290 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 26 proven. 101 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 00:32:13,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 79 states and 174 transitions. [2024-11-09 00:32:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 174 transitions. [2024-11-09 00:32:29,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 00:32:29,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:29,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:29,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:29,757 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:29,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:32:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:29,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:30,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:32:30,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:34,082 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-09 00:32:34,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:58,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:58,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 80 states and 177 transitions. [2024-11-09 00:32:58,627 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 177 transitions. [2024-11-09 00:32:58,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:32:58,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:58,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:58,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:58,630 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:58,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:33:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:00,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:01,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:33:01,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 15 proven. 106 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 00:33:10,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-09 00:33:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 84 states and 188 transitions. [2024-11-09 00:33:46,697 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 188 transitions. [2024-11-09 00:33:46,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 00:33:46,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:46,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:46,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:46,702 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:46,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:33:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:48,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:50,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:33:50,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 28 proven. 133 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-09 00:33:55,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 87 states and 194 transitions. [2024-11-09 00:34:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 194 transitions. [2024-11-09 00:34:16,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:34:16,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:16,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:16,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:16,103 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:16,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:34:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:16,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:17,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:34:17,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-09 00:34:20,950 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:34:20,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 88 states and 197 transitions. [2024-11-09 00:34:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 197 transitions. [2024-11-09 00:34:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 00:34:46,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:46,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:46,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:46,872 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:46,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:34:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:49,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:50,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:34:50,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 17 proven. 133 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:35:11,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:05,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 92 states and 208 transitions. [2024-11-09 00:36:05,187 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 208 transitions. [2024-11-09 00:36:05,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 00:36:05,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:05,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:05,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:05,189 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:05,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:36:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:07,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:08,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 00:36:08,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 36 proven. 162 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 00:36:15,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:37,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:37,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 95 states and 214 transitions. [2024-11-09 00:36:37,599 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 214 transitions. [2024-11-09 00:36:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 00:36:37,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:37,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:37,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:37,604 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:37,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:36:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:38,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:36:38,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-09 00:36:42,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-09 00:37:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 217 transitions. [2024-11-09 00:37:10,727 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 217 transitions. [2024-11-09 00:37:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 00:37:10,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:10,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:10,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:10,732 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:10,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:37:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:13,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:37:15,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 19 proven. 163 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 00:37:28,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-09 00:38:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 100 states and 228 transitions. [2024-11-09 00:38:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 228 transitions. [2024-11-09 00:38:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 00:38:19,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:19,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:19,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:19,125 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:19,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:38:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:22,336 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:24,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 00:38:24,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 38 proven. 200 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-09 00:38:31,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38308a89-ffe7-4872-8a99-d53a1f629551/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0