./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:43:32,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:43:32,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 16:43:32,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:43:32,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:43:32,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:43:32,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:43:32,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:43:32,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:43:32,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:43:32,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:43:32,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:43:32,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:43:32,227 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:43:32,227 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:43:32,227 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:43:32,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:43:32,227 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:43:32,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:43:32,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:43:32,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:43:32,228 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:43:32,228 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:43:32,228 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:43:32,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:43:32,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:32,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:43:32,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:43:32,230 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:43:32,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:43:32,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2024-11-13 16:43:32,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:43:32,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:43:32,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:43:32,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:43:32,585 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:43:32,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i Unable to find full path for "g++" [2024-11-13 16:43:34,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:43:34,859 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:43:34,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-11-13 16:43:34,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/data/1cf06894f/a15e70cfbb1e464cbe22b880215f6534/FLAGf06014300 [2024-11-13 16:43:34,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/data/1cf06894f/a15e70cfbb1e464cbe22b880215f6534 [2024-11-13 16:43:34,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:43:34,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:43:34,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:34,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:43:34,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:43:34,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:34" (1/1) ... [2024-11-13 16:43:34,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6486a88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:34, skipping insertion in model container [2024-11-13 16:43:34,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:34" (1/1) ... [2024-11-13 16:43:34,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:43:35,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:35,259 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:43:35,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:35,334 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:43:35,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35 WrapperNode [2024-11-13 16:43:35,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:35,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:35,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:43:35,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:43:35,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,376 INFO L138 Inliner]: procedures = 119, calls = 50, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 170 [2024-11-13 16:43:35,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:35,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:43:35,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:43:35,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:43:35,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:43:35,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:43:35,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:43:35,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:43:35,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:35" (1/1) ... [2024-11-13 16:43:35,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:35,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:43:35,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:43:35,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:43:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:43:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:43:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:43:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:43:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:43:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 16:43:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:43:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:43:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:43:35,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:43:35,580 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:43:35,582 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:43:36,147 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-13 16:43:36,147 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:43:36,274 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:43:36,274 INFO L316 CfgBuilder]: Removed 17 assume(true) statements. [2024-11-13 16:43:36,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:36 BoogieIcfgContainer [2024-11-13 16:43:36,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:43:36,275 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:43:36,275 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:43:36,288 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:43:36,288 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:36" (1/1) ... [2024-11-13 16:43:36,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:43:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 162 states and 196 transitions. [2024-11-13 16:43:36,360 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 196 transitions. [2024-11-13 16:43:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:43:36,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:36,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:36,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 161 states and 195 transitions. [2024-11-13 16:43:36,592 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 195 transitions. [2024-11-13 16:43:36,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:43:36,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:36,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 160 states and 194 transitions. [2024-11-13 16:43:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2024-11-13 16:43:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:43:36,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:36,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 159 states and 193 transitions. [2024-11-13 16:43:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2024-11-13 16:43:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:43:36,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:36,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 158 states and 192 transitions. [2024-11-13 16:43:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 192 transitions. [2024-11-13 16:43:37,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:43:37,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:37,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 157 states and 191 transitions. [2024-11-13 16:43:37,106 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2024-11-13 16:43:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:43:37,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:37,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:37,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 156 states and 190 transitions. [2024-11-13 16:43:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2024-11-13 16:43:37,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:43:37,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:37,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:37,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 155 states and 189 transitions. [2024-11-13 16:43:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2024-11-13 16:43:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:43:37,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:37,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:37,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 154 states and 188 transitions. [2024-11-13 16:43:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 188 transitions. [2024-11-13 16:43:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:43:37,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:37,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 153 states and 187 transitions. [2024-11-13 16:43:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2024-11-13 16:43:37,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:43:37,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:37,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:37,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 152 states and 186 transitions. [2024-11-13 16:43:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 186 transitions. [2024-11-13 16:43:37,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:43:37,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:37,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2024-11-13 16:43:38,076 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2024-11-13 16:43:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:43:38,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:38,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2024-11-13 16:43:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2024-11-13 16:43:38,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:43:38,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:38,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:38,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:38,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 153 states and 188 transitions. [2024-11-13 16:43:38,681 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2024-11-13 16:43:38,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:43:38,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:38,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:39,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:39,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2024-11-13 16:43:39,386 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2024-11-13 16:43:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:43:39,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:39,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 155 states and 193 transitions. [2024-11-13 16:43:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2024-11-13 16:43:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:43:39,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:39,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:39,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 156 states and 195 transitions. [2024-11-13 16:43:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2024-11-13 16:43:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:43:39,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:39,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 156 states and 191 transitions. [2024-11-13 16:43:39,991 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2024-11-13 16:43:39,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:43:39,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:39,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 158 states and 195 transitions. [2024-11-13 16:43:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 195 transitions. [2024-11-13 16:43:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:43:40,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:40,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:41,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 160 states and 199 transitions. [2024-11-13 16:43:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2024-11-13 16:43:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:43:42,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:42,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:42,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 166 states and 209 transitions. [2024-11-13 16:43:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 209 transitions. [2024-11-13 16:43:42,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:43:42,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:42,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 172 states and 220 transitions. [2024-11-13 16:43:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 220 transitions. [2024-11-13 16:43:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:43:43,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:43,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 175 states and 226 transitions. [2024-11-13 16:43:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 226 transitions. [2024-11-13 16:43:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:43:44,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:44,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 176 states and 228 transitions. [2024-11-13 16:43:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 228 transitions. [2024-11-13 16:43:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:43:44,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:44,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:45,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 178 states and 231 transitions. [2024-11-13 16:43:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 231 transitions. [2024-11-13 16:43:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:43:45,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:45,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:47,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 183 states and 239 transitions. [2024-11-13 16:43:47,161 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2024-11-13 16:43:47,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:43:47,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:47,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:48,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 185 states and 244 transitions. [2024-11-13 16:43:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 244 transitions. [2024-11-13 16:43:48,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:43:48,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:48,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:52,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 191 states and 254 transitions. [2024-11-13 16:43:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 254 transitions. [2024-11-13 16:43:52,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:43:52,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:52,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 190 states and 253 transitions. [2024-11-13 16:43:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 253 transitions. [2024-11-13 16:43:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:43:52,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:52,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:52,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:52,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 192 states and 256 transitions. [2024-11-13 16:43:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 256 transitions. [2024-11-13 16:43:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:43:52,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:52,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:52,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2024-11-13 16:43:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2024-11-13 16:43:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:43:52,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:52,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:52,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:52,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 192 states and 256 transitions. [2024-11-13 16:43:52,843 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 256 transitions. [2024-11-13 16:43:52,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:43:52,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:52,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 194 states and 260 transitions. [2024-11-13 16:43:53,218 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2024-11-13 16:43:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:43:53,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 198 states and 267 transitions. [2024-11-13 16:43:53,656 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 267 transitions. [2024-11-13 16:43:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:43:53,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:53,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:53,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:53,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 197 states and 264 transitions. [2024-11-13 16:43:53,723 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 264 transitions. [2024-11-13 16:43:53,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:43:53,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:53,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:54,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 198 states and 267 transitions. [2024-11-13 16:43:54,659 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 267 transitions. [2024-11-13 16:43:54,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:43:54,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:54,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:54,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:54,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 197 states and 266 transitions. [2024-11-13 16:43:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 266 transitions. [2024-11-13 16:43:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:43:54,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:54,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:55,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 198 states and 268 transitions. [2024-11-13 16:43:55,116 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 268 transitions. [2024-11-13 16:43:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:43:55,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:55,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:55,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 203 states and 275 transitions. [2024-11-13 16:43:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 275 transitions. [2024-11-13 16:43:56,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:43:56,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:56,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:56,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 202 states and 274 transitions. [2024-11-13 16:43:56,839 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 274 transitions. [2024-11-13 16:43:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:43:56,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:56,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 201 states and 273 transitions. [2024-11-13 16:43:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 273 transitions. [2024-11-13 16:43:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:43:57,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:57,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:57,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 202 states and 274 transitions. [2024-11-13 16:43:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 274 transitions. [2024-11-13 16:43:57,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:43:57,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:57,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 204 states and 281 transitions. [2024-11-13 16:43:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 281 transitions. [2024-11-13 16:43:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:43:57,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:57,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:58,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:00,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:00,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 207 states and 287 transitions. [2024-11-13 16:44:00,245 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 287 transitions. [2024-11-13 16:44:00,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:44:00,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:00,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:00,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:01,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 209 states and 290 transitions. [2024-11-13 16:44:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 290 transitions. [2024-11-13 16:44:01,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:44:01,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:01,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:02,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:04,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:04,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 211 states and 293 transitions. [2024-11-13 16:44:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 293 transitions. [2024-11-13 16:44:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:44:04,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:04,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:04,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 210 states and 289 transitions. [2024-11-13 16:44:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 289 transitions. [2024-11-13 16:44:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:44:04,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:04,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:04,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:04,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 213 states and 292 transitions. [2024-11-13 16:44:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 292 transitions. [2024-11-13 16:44:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:44:04,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:04,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:05,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:05,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 212 states and 289 transitions. [2024-11-13 16:44:05,817 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 289 transitions. [2024-11-13 16:44:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:44:05,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 213 states and 291 transitions. [2024-11-13 16:44:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 291 transitions. [2024-11-13 16:44:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:44:06,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:06,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 214 states and 292 transitions. [2024-11-13 16:44:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 292 transitions. [2024-11-13 16:44:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:44:07,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:07,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 227 states and 318 transitions. [2024-11-13 16:44:15,243 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 318 transitions. [2024-11-13 16:44:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:44:15,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:15,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 228 states and 320 transitions. [2024-11-13 16:44:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 320 transitions. [2024-11-13 16:44:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:44:16,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:16,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:20,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:20,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 232 states and 328 transitions. [2024-11-13 16:44:20,269 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 328 transitions. [2024-11-13 16:44:20,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:44:20,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:20,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:22,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 234 states and 331 transitions. [2024-11-13 16:44:22,694 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 331 transitions. [2024-11-13 16:44:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:22,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:22,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:28,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:28,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 245 states and 361 transitions. [2024-11-13 16:44:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 361 transitions. [2024-11-13 16:44:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:28,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:28,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 256 states and 389 transitions. [2024-11-13 16:44:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 389 transitions. [2024-11-13 16:44:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:34,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:34,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 257 states and 391 transitions. [2024-11-13 16:44:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 391 transitions. [2024-11-13 16:44:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:35,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:35,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 267 states and 420 transitions. [2024-11-13 16:44:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 420 transitions. [2024-11-13 16:44:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:43,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:43,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:43,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 268 states and 421 transitions. [2024-11-13 16:44:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 421 transitions. [2024-11-13 16:44:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:43,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:43,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:43,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:44,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 271 states and 433 transitions. [2024-11-13 16:44:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 433 transitions. [2024-11-13 16:44:44,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:44,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:44,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:45,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 272 states and 440 transitions. [2024-11-13 16:44:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 440 transitions. [2024-11-13 16:44:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:45,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:45,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 273 states and 444 transitions. [2024-11-13 16:44:46,482 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 444 transitions. [2024-11-13 16:44:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:46,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:46,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:47,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:47,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 274 states and 447 transitions. [2024-11-13 16:44:47,314 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 447 transitions. [2024-11-13 16:44:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:47,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 273 states and 446 transitions. [2024-11-13 16:44:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 446 transitions. [2024-11-13 16:44:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:44:47,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:47,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 274 states and 447 transitions. [2024-11-13 16:44:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 447 transitions. [2024-11-13 16:44:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:44:47,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:47,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:44:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 273 states and 446 transitions. [2024-11-13 16:44:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 446 transitions. [2024-11-13 16:44:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:44:47,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:47,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 274 states and 448 transitions. [2024-11-13 16:44:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 448 transitions. [2024-11-13 16:44:48,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:44:48,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:48,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:44:52,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:52,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 278 states and 452 transitions. [2024-11-13 16:44:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 452 transitions. [2024-11-13 16:44:52,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:44:52,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:52,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:52,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 277 states and 451 transitions. [2024-11-13 16:44:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 451 transitions. [2024-11-13 16:44:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:44:52,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:52,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:53,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 279 states and 454 transitions. [2024-11-13 16:44:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 454 transitions. [2024-11-13 16:44:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:44:54,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:54,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:54,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 278 states and 453 transitions. [2024-11-13 16:44:54,308 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 453 transitions. [2024-11-13 16:44:54,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:44:54,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:54,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:54,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 279 states and 454 transitions. [2024-11-13 16:44:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 454 transitions. [2024-11-13 16:44:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:44:54,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:54,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:54,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:54,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:54,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 280 states and 454 transitions. [2024-11-13 16:44:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 454 transitions. [2024-11-13 16:44:54,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:44:54,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:54,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:54,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 281 states and 454 transitions. [2024-11-13 16:44:54,542 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 454 transitions. [2024-11-13 16:44:54,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:44:54,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:54,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:09,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 296 states and 481 transitions. [2024-11-13 16:45:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 481 transitions. [2024-11-13 16:45:09,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:45:09,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:09,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:10,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:45:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:27,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 315 states and 521 transitions. [2024-11-13 16:45:27,265 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 521 transitions. [2024-11-13 16:45:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:45:27,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:27,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:45:30,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 321 states and 533 transitions. [2024-11-13 16:45:30,250 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 533 transitions. [2024-11-13 16:45:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:45:30,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:30,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:30,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:45:31,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 322 states and 536 transitions. [2024-11-13 16:45:31,326 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 536 transitions. [2024-11-13 16:45:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:45:31,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:31,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:31,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:45:33,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:33,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 321 states and 535 transitions. [2024-11-13 16:45:33,053 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 535 transitions. [2024-11-13 16:45:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:45:33,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:33,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:45:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:33,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 320 states and 534 transitions. [2024-11-13 16:45:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 534 transitions. [2024-11-13 16:45:33,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:45:33,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:33,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:34,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:34,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 321 states and 535 transitions. [2024-11-13 16:45:34,779 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 535 transitions. [2024-11-13 16:45:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:45:34,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:34,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 329 states and 551 transitions. [2024-11-13 16:45:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 551 transitions. [2024-11-13 16:45:41,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 16:45:41,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:41,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:43,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 341 states and 582 transitions. [2024-11-13 16:45:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 582 transitions. [2024-11-13 16:45:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 16:45:59,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:59,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:59,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 342 states and 583 transitions. [2024-11-13 16:46:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 583 transitions. [2024-11-13 16:46:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 16:46:00,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:00,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:04,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:04,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 345 states and 592 transitions. [2024-11-13 16:46:04,460 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 592 transitions. [2024-11-13 16:46:04,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 16:46:04,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:04,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 362 states and 635 transitions. [2024-11-13 16:46:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 635 transitions. [2024-11-13 16:46:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 16:46:30,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:30,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:30,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:46:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:30,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:46:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:30,451 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 87 iterations. [2024-11-13 16:46:30,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:46:30 ImpRootNode [2024-11-13 16:46:30,504 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:46:30,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:46:30,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:46:30,505 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:46:30,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:36" (3/4) ... [2024-11-13 16:46:30,509 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:46:30,509 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:46:30,511 INFO L158 Benchmark]: Toolchain (without parser) took 175607.93ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 93.5MB in the beginning and 1.1GB in the end (delta: -966.5MB). Peak memory consumption was 223.9MB. Max. memory is 16.1GB. [2024-11-13 16:46:30,511 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:30,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.86ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 75.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:46:30,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.98ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:30,515 INFO L158 Benchmark]: Boogie Preprocessor took 29.02ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:30,516 INFO L158 Benchmark]: RCFGBuilder took 868.10ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 91.2MB in the end (delta: -19.0MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-11-13 16:46:30,516 INFO L158 Benchmark]: CodeCheck took 174229.13ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 90.6MB in the beginning and 1.1GB in the end (delta: -969.5MB). Peak memory consumption was 218.3MB. Max. memory is 16.1GB. [2024-11-13 16:46:30,516 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:30,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 162 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 174.1s, OverallIterations: 87, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19734 SdHoareTripleChecker+Valid, 88.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14143 mSDsluCounter, 14303 SdHoareTripleChecker+Invalid, 75.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11102 mSDsCounter, 12606 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49705 IncrementalHoareTripleChecker+Invalid, 62311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12606 mSolverCounterUnsat, 3201 mSDtfsCounter, 49705 mSolverCounterSat, 1.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11973 GetRequests, 10897 SyntacticMatches, 238 SemanticMatches, 838 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327554 ImplicationChecksByTransitivity, 161.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 18.1s InterpolantComputationTime, 1550 NumberOfCodeBlocks, 1550 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 1435 ConstructedInterpolants, 0 QuantifiedInterpolants, 6850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 86 InterpolantComputations, 78 PerfectInterpolantSequences, 31/42 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) VAL [null={-2:0}] [L1000] null->prev = ((void*)0) VAL [null={-2:0}] [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null VAL [list={-1:0}, null={-2:0}] [L1005] list->prev = null VAL [list={-1:0}, null={-2:0}] [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1042] EXPR end->colour VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1043] COND TRUE null != end VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1045] EXPR end->colour VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND FALSE !(null != end) VAL [list={-1:0}, null={-2:0}] [L1056] COND TRUE null != list VAL [list={-1:0}, null={-2:0}] [L1058] EXPR list->colour VAL [list={-1:0}, null={-2:0}] [L1058] COND FALSE !(RED == list->colour) [L1067] EXPR list->next [L1067] end = list->next [L1068] free(list) VAL [end={-2:0}, null={-2:0}] [L1068] free(list) VAL [end={-2:0}, null={-2:0}] [L1068] free(list) [L1069] list = end VAL [list={-2:0}, null={-2:0}] [L1056] COND FALSE !(null != list) [L1073] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.86ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 75.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.98ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.02ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 868.10ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 91.2MB in the end (delta: -19.0MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * CodeCheck took 174229.13ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 90.6MB in the beginning and 1.1GB in the end (delta: -969.5MB). Peak memory consumption was 218.3MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:46:30,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:46:33,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:33,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 16:46:33,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:33,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:33,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:33,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:33,310 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:46:33,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:46:33,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:46:33,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:33,310 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:46:33,312 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:46:33,314 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:46:33,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:33,315 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:46:33,315 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:46:33,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:33,316 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:46:33,316 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:46:33,316 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:46:33,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:33,316 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:33,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:33,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:33,317 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:33,317 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:46:33,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:33,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:33,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:33,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:33,318 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:46:33,318 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:33,318 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:46:33,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2024-11-13 16:46:33,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:33,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:33,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:33,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:33,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:33,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i Unable to find full path for "g++" [2024-11-13 16:46:35,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:46:35,911 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:46:35,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-11-13 16:46:35,932 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/data/e037ded4f/1965557ff19642bcb5cf009258161e5e/FLAG455aac16e [2024-11-13 16:46:35,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/data/e037ded4f/1965557ff19642bcb5cf009258161e5e [2024-11-13 16:46:35,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:46:35,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:46:35,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:35,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:46:35,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:46:35,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:35" (1/1) ... [2024-11-13 16:46:35,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed64f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:35, skipping insertion in model container [2024-11-13 16:46:35,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:35" (1/1) ... [2024-11-13 16:46:36,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:46:36,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:36,407 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:46:36,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:36,496 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:46:36,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36 WrapperNode [2024-11-13 16:46:36,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:36,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:36,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:46:36,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:46:36,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,568 INFO L138 Inliner]: procedures = 122, calls = 50, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 169 [2024-11-13 16:46:36,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:36,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:46:36,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:46:36,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:46:36,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:46:36,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:46:36,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:46:36,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:46:36,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:36" (1/1) ... [2024-11-13 16:46:36,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:36,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:46:36,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:46:36,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:46:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 16:46:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:46:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:46:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:46:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 16:46:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:46:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 16:46:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:46:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:46:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:46:36,822 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:46:36,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:37,550 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:37,551 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:46:37,617 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:46:37,618 INFO L316 CfgBuilder]: Removed 17 assume(true) statements. [2024-11-13 16:46:37,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:37 BoogieIcfgContainer [2024-11-13 16:46:37,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:46:37,619 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:46:37,619 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:46:37,630 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:46:37,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:37" (1/1) ... [2024-11-13 16:46:37,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:46:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:37,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 162 states and 196 transitions. [2024-11-13 16:46:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 196 transitions. [2024-11-13 16:46:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:46:37,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:37,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:37,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:37,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:37,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:46:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:37,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:37,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:46:37,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:37,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 16:46:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:37,945 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:46:37,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:46:37,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 161 states and 195 transitions. [2024-11-13 16:46:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 195 transitions. [2024-11-13 16:46:38,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:46:38,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:38,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:38,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:38,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:38,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:46:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:38,109 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:38,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:46:38,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:38,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:46:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:38,169 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:46:38,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:46:38,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 160 states and 194 transitions. [2024-11-13 16:46:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2024-11-13 16:46:38,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:46:38,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:38,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:38,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:38,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:38,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:46:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:38,406 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:38,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:46:38,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:38,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:46:38,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:38,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 159 states and 193 transitions. [2024-11-13 16:46:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2024-11-13 16:46:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:46:38,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:38,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:38,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:38,514 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:38,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:46:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:38,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:38,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:46:38,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:38,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:46:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:38,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:46:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:38,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 158 states and 192 transitions. [2024-11-13 16:46:38,706 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 192 transitions. [2024-11-13 16:46:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:46:38,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:38,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:38,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:38,710 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:38,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:46:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:38,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:38,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:46:38,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:38,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 16:46:38,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:38,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 157 states and 191 transitions. [2024-11-13 16:46:38,891 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2024-11-13 16:46:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:46:38,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:38,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:38,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:38,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:38,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 16:46:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:39,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:39,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:46:39,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:39,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:46:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:39,080 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:46:39,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 16:46:39,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 156 states and 190 transitions. [2024-11-13 16:46:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2024-11-13 16:46:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:46:39,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:39,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:39,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:39,134 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:39,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 16:46:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:39,251 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:39,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:46:39,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:39,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 16:46:39,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:39,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 16:46:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 155 states and 189 transitions. [2024-11-13 16:46:39,380 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2024-11-13 16:46:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:46:39,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:39,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:39,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:39,383 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:39,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 16:46:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:39,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:39,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:46:39,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:39,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:46:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:39,632 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:46:39,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 16:46:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 154 states and 188 transitions. [2024-11-13 16:46:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 188 transitions. [2024-11-13 16:46:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:46:39,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:39,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:39,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:39,849 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:39,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 16:46:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:39,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:40,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:46:40,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:40,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:40,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 16:46:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 153 states and 187 transitions. [2024-11-13 16:46:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2024-11-13 16:46:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:46:40,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:40,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:40,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:40,070 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:40,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 16:46:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:40,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:40,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:46:40,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:40,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:46:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:40,295 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:46:40,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 16:46:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:40,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 152 states and 186 transitions. [2024-11-13 16:46:40,345 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 186 transitions. [2024-11-13 16:46:40,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:46:40,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:40,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:40,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:40,350 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:40,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 16:46:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:40,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:40,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:46:40,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:40,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 16:46:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:40,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2024-11-13 16:46:40,591 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2024-11-13 16:46:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:46:40,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:40,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:40,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:40,593 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:40,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 16:46:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:40,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:40,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:46:40,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:40,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:46:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:40,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 16:46:40,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:40,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2024-11-13 16:46:40,906 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2024-11-13 16:46:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:46:40,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:40,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:40,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:40,911 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:40,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 16:46:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:41,139 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:41,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:46:41,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:41,276 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 16:46:41,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 16:46:41,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:41,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 16:46:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:41,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 153 states and 188 transitions. [2024-11-13 16:46:41,380 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2024-11-13 16:46:41,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:46:41,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:41,387 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:41,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 16:46:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:41,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:41,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:46:41,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:41,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:46:41,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:46:41,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-13 16:46:41,907 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:46:41,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:46:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:41,954 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:46:41,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 16:46:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2024-11-13 16:46:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2024-11-13 16:46:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:46:42,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:42,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:42,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:42,222 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:42,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 16:46:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:42,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:42,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:46:42,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:42,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 16:46:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 155 states and 193 transitions. [2024-11-13 16:46:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2024-11-13 16:46:42,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:46:42,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:42,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:42,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:42,529 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:42,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 16:46:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:42,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:42,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:46:42,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:42,843 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:46:42,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 16:46:43,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 154 states and 192 transitions. [2024-11-13 16:46:43,339 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 192 transitions. [2024-11-13 16:46:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:46:43,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:43,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:43,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:43,342 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:43,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 16:46:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:43,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:43,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:46:43,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:43,573 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:46:43,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 16:46:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 154 states and 188 transitions. [2024-11-13 16:46:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 188 transitions. [2024-11-13 16:46:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:46:43,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:43,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:43,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:43,590 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:43,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 16:46:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:43,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:43,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:46:43,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:43,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 16:46:43,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:46:43,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-13 16:46:44,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:44,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 16:46:44,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 156 states and 191 transitions. [2024-11-13 16:46:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2024-11-13 16:46:44,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:46:44,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:44,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:44,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:44,984 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:44,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 16:46:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:45,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:45,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:46:45,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:45,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:46:45,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:46:45,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:46:45,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-13 16:46:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:45,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 16:46:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 158 states and 194 transitions. [2024-11-13 16:46:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 194 transitions. [2024-11-13 16:46:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:46:47,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:47,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:47,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:47,143 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:47,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 16:46:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:47,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:47,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:46:47,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:47,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:47,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 16:46:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 164 states and 204 transitions. [2024-11-13 16:46:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 204 transitions. [2024-11-13 16:46:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:46:47,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:47,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:47,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:47,841 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:47,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 16:46:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:48,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:48,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:46:48,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:48,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:46:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:48,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-13 16:46:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 170 states and 215 transitions. [2024-11-13 16:46:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 215 transitions. [2024-11-13 16:46:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:46:48,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:48,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:48,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:48,703 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:48,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 16:46:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:48,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:48,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:46:48,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:48,984 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:46:48,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:46:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:49,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 16:46:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 173 states and 221 transitions. [2024-11-13 16:46:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 221 transitions. [2024-11-13 16:46:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:46:50,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:50,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:50,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:50,766 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:50,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 16:46:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:50,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:51,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:46:51,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:51,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 16:46:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 174 states and 223 transitions. [2024-11-13 16:46:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 223 transitions. [2024-11-13 16:46:51,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:46:51,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:51,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:51,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:51,537 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:51,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 16:46:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:51,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:51,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:46:51,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:51,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 16:46:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 175 states and 224 transitions. [2024-11-13 16:46:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 224 transitions. [2024-11-13 16:46:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:46:52,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:52,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:52,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:52,772 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:52,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 16:46:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:53,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:53,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:46:53,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:53,161 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-13 16:46:53,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-13 16:46:53,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:46:53,714 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 16:46:53,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-13 16:46:53,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-13 16:46:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:54,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 16:46:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 180 states and 234 transitions. [2024-11-13 16:46:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 234 transitions. [2024-11-13 16:46:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:46:58,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:58,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:58,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:58,369 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:58,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 16:46:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:58,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:58,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:46:58,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:58,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 16:46:58,782 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:46:58,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:46:58,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:46:58,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:46:58,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:46:59,411 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 16:46:59,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-13 16:46:59,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-13 16:46:59,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:46:59,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 16:46:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:59,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:02,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:02,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 182 states and 239 transitions. [2024-11-13 16:47:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2024-11-13 16:47:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:47:02,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:02,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:02,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:02,649 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:02,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 16:47:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:02,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:02,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:47:02,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:03,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:47:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:03,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:07,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 188 states and 248 transitions. [2024-11-13 16:47:07,185 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2024-11-13 16:47:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:47:07,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:07,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:07,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:07,191 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:07,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 16:47:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:07,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:07,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:47:07,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:07,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:07,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 187 states and 247 transitions. [2024-11-13 16:47:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 247 transitions. [2024-11-13 16:47:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:47:07,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:07,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:07,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:07,556 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:07,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 16:47:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:07,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:07,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 16:47:07,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:08,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 16:47:08,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:47:08,044 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:47:08,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:47:08,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:47:08,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:47:08,128 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 16:47:08,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-13 16:47:08,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-13 16:47:08,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:47:08,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 16:47:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:08,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 189 states and 251 transitions. [2024-11-13 16:47:08,261 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 251 transitions. [2024-11-13 16:47:08,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:47:08,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:08,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:08,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:08,263 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:08,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 16:47:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:08,545 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:08,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:47:08,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:08,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 16:47:08,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:08,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 188 states and 250 transitions. [2024-11-13 16:47:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 250 transitions. [2024-11-13 16:47:08,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:47:08,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:08,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:08,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:08,657 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:08,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 16:47:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:09,041 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:09,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:47:09,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:09,128 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:47:09,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:47:09,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:47:09,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:47:09,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:47:09,201 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 16:47:09,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-13 16:47:09,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-13 16:47:09,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:47:09,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 16:47:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:09,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 16:47:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 189 states and 251 transitions. [2024-11-13 16:47:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 251 transitions. [2024-11-13 16:47:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:47:09,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:09,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:09,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:09,291 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:09,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 16:47:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:09,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:09,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:47:09,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:09,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:09,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 16:47:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2024-11-13 16:47:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2024-11-13 16:47:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:47:10,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:10,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:10,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:10,274 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:10,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 16:47:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:10,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:10,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:47:10,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:11,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 16:47:13,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:13,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 193 states and 258 transitions. [2024-11-13 16:47:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 258 transitions. [2024-11-13 16:47:13,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:47:13,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:13,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:13,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:13,554 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:13,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 16:47:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:13,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:13,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:47:13,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:13,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 16:47:13,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:13,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 192 states and 255 transitions. [2024-11-13 16:47:13,983 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 255 transitions. [2024-11-13 16:47:13,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:47:13,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:13,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:13,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:13,985 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:13,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 16:47:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:14,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:14,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:47:14,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:14,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 16:47:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 191 states and 254 transitions. [2024-11-13 16:47:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 254 transitions. [2024-11-13 16:47:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:47:14,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:14,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:14,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:14,434 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:14,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 16:47:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:14,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:14,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:47:14,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:15,010 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-13 16:47:15,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 16:47:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:15,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 16:47:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:15,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 190 states and 253 transitions. [2024-11-13 16:47:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 253 transitions. [2024-11-13 16:47:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:47:15,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:15,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:15,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:15,071 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:15,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 16:47:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:15,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:15,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:47:15,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:15,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:47:15,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-13 16:47:15,701 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:47:15,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:47:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:16,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:17,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2024-11-13 16:47:17,995 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2024-11-13 16:47:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:47:17,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:17,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:17,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:17,997 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:17,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 16:47:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:18,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:18,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:47:18,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:18,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 16:47:22,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 198 states and 271 transitions. [2024-11-13 16:47:22,013 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 271 transitions. [2024-11-13 16:47:22,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:47:22,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:22,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:22,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:22,019 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:22,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 16:47:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:22,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:22,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:47:22,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:22,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:22,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 16:47:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 205 states and 286 transitions. [2024-11-13 16:47:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 286 transitions. [2024-11-13 16:47:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:47:30,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:30,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:30,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:30,960 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:30,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 16:47:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:31,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:31,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:47:31,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:31,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 16:47:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 208 states and 290 transitions. [2024-11-13 16:47:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 290 transitions. [2024-11-13 16:47:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:47:37,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:37,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:37,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:37,271 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:37,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 16:47:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:37,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:37,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:47:37,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:37,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:37,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 16:47:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 207 states and 289 transitions. [2024-11-13 16:47:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 289 transitions. [2024-11-13 16:47:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:47:37,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:37,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:37,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:37,763 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:37,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 16:47:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:38,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:38,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:47:38,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:38,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 16:47:38,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 206 states and 288 transitions. [2024-11-13 16:47:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 288 transitions. [2024-11-13 16:47:38,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:47:38,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:38,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:38,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:38,910 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:38,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 16:47:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:39,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:39,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:47:39,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:39,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 16:47:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 207 states and 289 transitions. [2024-11-13 16:47:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 289 transitions. [2024-11-13 16:47:39,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:47:39,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:39,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:39,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:39,459 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:39,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 16:47:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:39,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:39,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:47:39,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:39,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:47:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:40,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 16:47:44,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:44,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 213 states and 306 transitions. [2024-11-13 16:47:44,038 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 306 transitions. [2024-11-13 16:47:44,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:47:44,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:44,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:44,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:44,040 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:44,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 16:47:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:44,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:44,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:47:44,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:44,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:44,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 16:47:44,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:44,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 212 states and 305 transitions. [2024-11-13 16:47:44,526 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 305 transitions. [2024-11-13 16:47:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:47:44,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:44,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:44,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:44,527 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:44,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 16:47:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:44,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:44,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:47:44,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:45,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 215 states and 312 transitions. [2024-11-13 16:47:50,586 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 312 transitions. [2024-11-13 16:47:50,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:47:50,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:50,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:50,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:50,589 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:50,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 16:47:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:51,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:51,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:47:51,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:51,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 16:47:51,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:47:51,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-13 16:47:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:51,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-13 16:47:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:54,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 217 states and 315 transitions. [2024-11-13 16:47:54,227 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 315 transitions. [2024-11-13 16:47:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:47:54,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:54,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:54,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:54,233 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:54,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 16:47:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:54,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:54,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:47:54,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:54,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:47:55,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:47:55,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:47:55,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-13 16:47:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:55,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 16:47:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:59,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 219 states and 318 transitions. [2024-11-13 16:47:59,313 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 318 transitions. [2024-11-13 16:47:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:47:59,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:59,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:59,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:59,318 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:59,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 16:47:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:59,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:59,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:47:59,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:59,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 16:47:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 218 states and 314 transitions. [2024-11-13 16:47:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 314 transitions. [2024-11-13 16:47:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:47:59,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:59,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:59,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:59,908 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:59,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 16:48:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:00,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:00,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:48:00,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:00,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-13 16:48:02,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 222 states and 320 transitions. [2024-11-13 16:48:02,563 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 320 transitions. [2024-11-13 16:48:02,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:48:02,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:02,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:02,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:02,570 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:02,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 16:48:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:03,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:03,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:48:03,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:03,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-13 16:48:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:03,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 16:48:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:07,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 221 states and 317 transitions. [2024-11-13 16:48:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 317 transitions. [2024-11-13 16:48:07,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:48:07,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:07,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:07,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:07,455 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:07,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 16:48:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:08,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:08,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:48:08,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:08,070 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:48:08,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 16:48:09,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 222 states and 319 transitions. [2024-11-13 16:48:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 319 transitions. [2024-11-13 16:48:09,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:48:09,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:09,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:09,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:09,166 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:09,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 16:48:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:09,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:09,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:48:09,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:09,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:09,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-13 16:48:11,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:11,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 223 states and 320 transitions. [2024-11-13 16:48:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 320 transitions. [2024-11-13 16:48:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:48:11,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:11,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:11,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:11,862 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:11,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 16:48:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:12,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:12,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:48:12,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:13,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:48:13,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:48:13,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 16:48:13,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 16:48:14,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 16:48:14,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-13 16:48:15,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-13 16:48:15,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:15,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 16:48:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 236 states and 351 transitions. [2024-11-13 16:48:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 351 transitions. [2024-11-13 16:48:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:48:39,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:39,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:39,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:39,166 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:39,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 16:48:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:39,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:39,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:48:39,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:39,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:48:39,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:48:39,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 16:48:39,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 16:48:39,858 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 16:48:39,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-11-13 16:48:39,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 16:48:40,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-13 16:48:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:40,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-13 16:48:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 237 states and 356 transitions. [2024-11-13 16:48:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 356 transitions. [2024-11-13 16:48:41,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:48:41,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:41,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:41,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:41,854 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:41,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 16:48:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:42,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:42,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:48:42,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:42,708 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:48:42,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:48:42,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:48:43,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:48:43,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:48:43,818 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 16:48:43,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-13 16:48:43,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-13 16:48:43,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:48:43,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 16:48:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:43,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-13 16:48:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:52,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 241 states and 365 transitions. [2024-11-13 16:48:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 365 transitions. [2024-11-13 16:48:52,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:48:52,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:52,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:52,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:52,354 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:52,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 16:48:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:53,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:53,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:48:53,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:53,188 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-13 16:48:53,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-13 16:48:53,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:48:54,348 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 16:48:54,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-13 16:48:54,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-13 16:48:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:54,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 16:48:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:57,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 243 states and 370 transitions. [2024-11-13 16:48:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 370 transitions. [2024-11-13 16:48:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:48:57,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:57,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:57,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:57,584 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:57,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 16:48:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:58,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:48:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:48:58,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:48:58,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:58,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 16:48:58,229 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:48:58,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:48:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:48:58,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-13 16:49:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:15,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 249 states and 392 transitions. [2024-11-13 16:49:15,740 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 392 transitions. [2024-11-13 16:49:15,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:49:15,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:15,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:15,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:15,742 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:15,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 16:49:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:16,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:16,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:49:16,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:49:16,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 16:49:24,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:24,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 252 states and 400 transitions. [2024-11-13 16:49:24,578 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 400 transitions. [2024-11-13 16:49:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:49:24,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:24,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:24,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:24,580 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:24,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 16:49:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:25,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:25,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:49:25,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:25,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:49:25,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-13 16:49:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:34,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 256 states and 409 transitions. [2024-11-13 16:49:34,355 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 409 transitions. [2024-11-13 16:49:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:49:34,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:34,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:34,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:34,359 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:34,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 16:49:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:34,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:34,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:49:34,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:35,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:49:35,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-13 16:49:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 257 states and 413 transitions. [2024-11-13 16:49:37,561 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 413 transitions. [2024-11-13 16:49:37,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:49:37,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:37,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:37,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:37,566 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:37,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 16:49:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:38,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:38,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:49:38,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:49:38,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-13 16:49:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 258 states and 415 transitions. [2024-11-13 16:49:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 415 transitions. [2024-11-13 16:49:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:49:40,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:40,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:40,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:40,345 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:40,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 16:49:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:40,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:41,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:49:41,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:41,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 16:49:41,038 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:49:41,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:49:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:49:41,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-13 16:49:43,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:43,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 259 states and 417 transitions. [2024-11-13 16:49:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 417 transitions. [2024-11-13 16:49:43,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:49:43,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:43,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:43,142 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:43,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 16:49:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:43,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:43,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:49:43,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:49:43,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-13 16:49:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:46,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 260 states and 419 transitions. [2024-11-13 16:49:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 419 transitions. [2024-11-13 16:49:46,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:49:46,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:46,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:46,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:46,192 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:46,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 16:49:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:46,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:46,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:49:46,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:49:46,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-13 16:49:47,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 259 states and 418 transitions. [2024-11-13 16:49:47,007 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 418 transitions. [2024-11-13 16:49:47,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:49:47,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:47,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:47,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:47,009 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:47,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 16:49:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:47,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:47,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:49:47,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:47,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 16:49:47,945 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:49:47,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:49:47,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:49:47,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:49:48,018 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 16:49:48,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-13 16:49:48,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-13 16:49:48,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-13 16:49:48,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 16:49:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:49:48,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-13 16:49:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 260 states and 419 transitions. [2024-11-13 16:49:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 419 transitions. [2024-11-13 16:49:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:49:48,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:48,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:49:48,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:49:48,140 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:49:48,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 16:49:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:48,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:49:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:48,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 16:49:48,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:49:48,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:49:48,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 16:49:49,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 16:49:49,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 16:49:49,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 16:49:49,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 16:49:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:49:50,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-13 16:50:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 264 states and 423 transitions. [2024-11-13 16:50:02,304 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 423 transitions. [2024-11-13 16:50:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:50:02,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:02,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:02,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:02,309 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:02,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 16:50:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:02,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:03,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:50:03,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:50:03,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-13 16:50:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 263 states and 422 transitions. [2024-11-13 16:50:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 422 transitions. [2024-11-13 16:50:03,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:50:03,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:03,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:03,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:03,132 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:03,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 16:50:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:03,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:03,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:50:03,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:50:05,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-13 16:50:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 272 states and 446 transitions. [2024-11-13 16:50:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 446 transitions. [2024-11-13 16:50:40,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:50:40,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:40,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:40,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:40,599 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:40,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 16:50:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:41,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:41,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:50:41,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:50:41,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-13 16:50:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:41,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 271 states and 445 transitions. [2024-11-13 16:50:41,421 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 445 transitions. [2024-11-13 16:50:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:50:41,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:41,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:41,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:41,422 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:41,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 16:50:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:42,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:42,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:50:42,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:50:42,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-13 16:50:47,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:47,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 272 states and 448 transitions. [2024-11-13 16:50:47,781 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 448 transitions. [2024-11-13 16:50:47,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:50:47,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:47,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:47,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:47,787 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:47,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 16:50:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:48,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:48,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:50:48,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:50:48,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-13 16:50:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:48,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 273 states and 448 transitions. [2024-11-13 16:50:48,820 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 448 transitions. [2024-11-13 16:50:48,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:50:48,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:48,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:48,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:48,823 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:48,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 16:50:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:49,541 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:49,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:50:49,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:50:49,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-13 16:50:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 274 states and 450 transitions. [2024-11-13 16:50:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 450 transitions. [2024-11-13 16:50:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:50:53,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:53,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:53,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:53,621 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:53,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 16:50:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:54,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:54,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:50:54,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:54,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:50:54,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-13 16:51:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:22,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 284 states and 476 transitions. [2024-11-13 16:51:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 476 transitions. [2024-11-13 16:51:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:51:22,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:22,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:51:22,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:51:22,791 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:51:22,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 16:51:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:23,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:51:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:23,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:51:23,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:51:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:51:23,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-13 16:51:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:25,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 287 states and 479 transitions. [2024-11-13 16:51:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 479 transitions. [2024-11-13 16:51:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:51:25,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:25,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:51:25,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:51:25,591 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:51:25,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 16:51:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:26,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:51:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:26,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:51:26,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:51:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:51:26,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-13 16:51:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 288 states and 481 transitions. [2024-11-13 16:51:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 481 transitions. [2024-11-13 16:51:29,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:51:29,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:29,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:51:29,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:51:29,305 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:51:29,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 16:51:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:30,195 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:51:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:30,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:51:30,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:51:30,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-13 16:51:30,299 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-13 16:51:30,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 17 [2024-11-13 16:51:32,744 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-13 16:51:32,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-13 16:51:33,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 16:51:35,344 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 16:51:35,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-11-13 16:51:35,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-13 16:51:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:51:35,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-13 16:52:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 303 states and 509 transitions. [2024-11-13 16:52:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 509 transitions. [2024-11-13 16:52:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:52:19,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:19,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:52:19,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:52:19,105 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:52:19,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 16:52:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:19,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:52:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:19,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:52:19,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:52:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:52:21,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-13 16:53:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:14,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 322 states and 549 transitions. [2024-11-13 16:53:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 549 transitions. [2024-11-13 16:53:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:53:14,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:14,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:14,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:14,298 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:14,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 16:53:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:15,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:15,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:53:15,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:53:15,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-13 16:53:17,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 326 states and 553 transitions. [2024-11-13 16:53:17,366 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 553 transitions. [2024-11-13 16:53:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:53:17,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:17,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:17,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:17,368 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:17,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 16:53:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:18,128 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:18,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:53:18,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:53:18,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-13 16:53:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 327 states and 555 transitions. [2024-11-13 16:53:21,053 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 555 transitions. [2024-11-13 16:53:21,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:53:21,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:21,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:21,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:21,055 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:21,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 16:53:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:21,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:21,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:53:21,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:53:21,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-13 16:53:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 326 states and 554 transitions. [2024-11-13 16:53:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 554 transitions. [2024-11-13 16:53:27,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:53:27,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:27,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:27,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:27,771 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:27,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-13 16:53:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:28,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:28,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:53:28,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:53:28,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-13 16:53:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 325 states and 553 transitions. [2024-11-13 16:53:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 553 transitions. [2024-11-13 16:53:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 16:53:28,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:28,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:28,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:28,795 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:28,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-13 16:53:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:29,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:29,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:53:29,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:30,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:53:30,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-13 16:53:30,205 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-13 16:53:30,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-13 16:53:30,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:30,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-13 16:53:52,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:52,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 329 states and 568 transitions. [2024-11-13 16:53:52,265 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 568 transitions. [2024-11-13 16:53:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 16:53:52,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:52,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:53:52,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:53:52,267 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:53:52,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-13 16:53:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:53,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:53:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:53,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:53:53,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:53:53,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-13 16:53:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:53:55,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-13 16:54:33,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 337 states and 591 transitions. [2024-11-13 16:54:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 591 transitions. [2024-11-13 16:54:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 16:54:33,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:33,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:54:33,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:54:33,764 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:54:33,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-13 16:54:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:34,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:54:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:34,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:54:34,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:54:34,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-13 16:54:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:54:34,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-13 16:54:40,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:40,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 338 states and 594 transitions. [2024-11-13 16:54:40,281 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 594 transitions. [2024-11-13 16:54:40,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 16:54:40,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:40,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:54:40,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:54:40,283 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:54:40,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-13 16:54:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:41,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:54:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:41,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:54:41,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:54:41,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-13 16:54:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:54:41,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-13 16:54:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 339 states and 596 transitions. [2024-11-13 16:54:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 596 transitions. [2024-11-13 16:54:43,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 16:54:43,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:43,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:54:43,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:54:43,799 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:54:43,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-13 16:54:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:54:44,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:54:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:54:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:54:46,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:54:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:54:46,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-13 16:54:46,785 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 87 iterations. [2024-11-13 16:54:46,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:54:46 ImpRootNode [2024-11-13 16:54:46,829 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:54:46,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:54:46,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:54:46,830 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:54:46,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:37" (3/4) ... [2024-11-13 16:54:46,832 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:54:46,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:54:46,835 INFO L158 Benchmark]: Toolchain (without parser) took 490876.21ms. Allocated memory was 117.4MB in the beginning and 402.7MB in the end (delta: 285.2MB). Free memory was 91.3MB in the beginning and 251.2MB in the end (delta: -160.0MB). Peak memory consumption was 124.6MB. Max. memory is 16.1GB. [2024-11-13 16:54:46,835 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:54:46,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.96ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 72.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:54:46,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.11ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 70.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:54:46,836 INFO L158 Benchmark]: Boogie Preprocessor took 39.72ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:54:46,836 INFO L158 Benchmark]: RCFGBuilder took 1005.80ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 68.8MB in the end (delta: 154.7kB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-13 16:54:46,837 INFO L158 Benchmark]: CodeCheck took 489209.55ms. Allocated memory was 117.4MB in the beginning and 402.7MB in the end (delta: 285.2MB). Free memory was 68.8MB in the beginning and 251.4MB in the end (delta: -182.6MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. [2024-11-13 16:54:46,838 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 402.7MB. Free memory was 251.4MB in the beginning and 251.2MB in the end (delta: 177.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:54:46,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 162 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 489.1s, OverallIterations: 87, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19538 SdHoareTripleChecker+Valid, 203.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14322 mSDsluCounter, 14449 SdHoareTripleChecker+Invalid, 179.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11656 mSDsCounter, 12547 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49563 IncrementalHoareTripleChecker+Invalid, 62110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12547 mSolverCounterUnsat, 2793 mSDtfsCounter, 49563 mSolverCounterSat, 1.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12812 GetRequests, 11843 SyntacticMatches, 195 SemanticMatches, 774 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277608 ImplicationChecksByTransitivity, 427.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.0s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 29.8s InterpolantComputationTime, 1532 NumberOfCodeBlocks, 1532 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 1417 ConstructedInterpolants, 2 QuantifiedInterpolants, 8374 SizeOfPredicates, 78 NumberOfNonLiveVariables, 12434 ConjunctsInSsa, 432 ConjunctsInUnsatCore, 86 InterpolantComputations, 84 PerfectInterpolantSequences, 29/31 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) VAL [null={3:0}] [L1000] null->prev = ((void*)0) VAL [null={3:0}] [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null VAL [list={4:0}, null={3:0}] [L1005] list->prev = null VAL [list={4:0}, null={3:0}] [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; VAL [end={4:0}, list={4:0}, null={3:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={4:0}, list={4:0}, null={3:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={4:0}, list={4:0}, null={3:0}] [L1042] EXPR end->colour VAL [end={4:0}, list={4:0}, null={3:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1043] COND TRUE null != end VAL [end={4:0}, list={4:0}, null={3:0}] [L1045] EXPR end->colour VAL [end={4:0}, list={4:0}, null={3:0}] [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND FALSE !(null != end) VAL [list={4:0}, null={3:0}] [L1056] COND TRUE null != list VAL [list={4:0}, null={3:0}] [L1058] EXPR list->colour VAL [list={4:0}, null={3:0}] [L1058] COND FALSE !(RED == list->colour) [L1067] EXPR list->next [L1067] end = list->next [L1068] free(list) VAL [end={3:0}, null={3:0}] [L1068] free(list) VAL [end={3:0}, null={3:0}] [L1068] free(list) [L1069] list = end VAL [list={3:0}, null={3:0}] [L1056] COND FALSE !(null != list) [L1073] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.96ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 72.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.11ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 70.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.72ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1005.80ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 68.8MB in the end (delta: 154.7kB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * CodeCheck took 489209.55ms. Allocated memory was 117.4MB in the beginning and 402.7MB in the end (delta: 285.2MB). Free memory was 68.8MB in the beginning and 251.4MB in the end (delta: -182.6MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 402.7MB. Free memory was 251.4MB in the beginning and 251.2MB in the end (delta: 177.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:54:46,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc31026-052c-4812-b22e-e9dadf80efcf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample