./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 895ff1e019ffafaf8b2f8e3efbd16ea4845b2e4eac0a4db8b4c86c462883ae8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:18,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:19,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:19:19,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:19,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:19,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:19,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:19,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:19,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:19,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:19,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:19,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:19,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:19,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:19,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:19,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:19,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:19,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:19,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:19,160 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:19,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:19,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:19,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:19,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:19,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:19,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:19,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:19,164 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:19,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:19,165 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:19,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 895ff1e019ffafaf8b2f8e3efbd16ea4845b2e4eac0a4db8b4c86c462883ae8c [2023-11-23 20:19:19,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:19,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:19,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:19,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:19,495 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:19,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2023-11-23 20:19:22,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:22,794 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:22,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2023-11-23 20:19:22,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/data/fdc460139/d7c2e8a1b194436681b23dc0eea58664/FLAG5e7129f27 [2023-11-23 20:19:22,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/data/fdc460139/d7c2e8a1b194436681b23dc0eea58664 [2023-11-23 20:19:22,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:22,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:22,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:22,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:22,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:22,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:22" (1/1) ... [2023-11-23 20:19:22,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e688884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:22, skipping insertion in model container [2023-11-23 20:19:22,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:22" (1/1) ... [2023-11-23 20:19:22,880 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:23,044 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1259,1272] [2023-11-23 20:19:23,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:23,142 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:23,154 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1259,1272] [2023-11-23 20:19:23,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:23,220 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:23,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23 WrapperNode [2023-11-23 20:19:23,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:23,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:23,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:23,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:23,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,368 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 544 [2023-11-23 20:19:23,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:23,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:23,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:23,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:23,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:23,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:23,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:23,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:23,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:23" (1/1) ... [2023-11-23 20:19:23,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:23,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:23,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:23,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:23,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:23,701 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:23,703 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:24,602 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:25,337 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:25,338 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:19:25,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:25 BoogieIcfgContainer [2023-11-23 20:19:25,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:25,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:25,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:25,351 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:25,351 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:25,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:19:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:19:25,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:19:25,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:25,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:27,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:28,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-23 20:19:28,179 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-23 20:19:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:19:28,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:28,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:29,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:19:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:32,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:19:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:19:33,305 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:19:33,374 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:19:33,374 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:19:33,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:19:33 ImpRootNode [2023-11-23 20:19:33,399 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:19:33,400 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:19:33,400 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:19:33,401 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:19:33,401 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:25" (3/4) ... [2023-11-23 20:19:33,404 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:19:33,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:19:33,407 INFO L158 Benchmark]: Toolchain (without parser) took 10573.42ms. Allocated memory was 138.4MB in the beginning and 274.7MB in the end (delta: 136.3MB). Free memory was 74.6MB in the beginning and 176.8MB in the end (delta: -102.1MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-11-23 20:19:33,407 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory was 106.0MB in the beginning and 106.0MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:33,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.53ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 74.4MB in the beginning and 148.1MB in the end (delta: -73.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:33,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.59ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 137.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:19:33,410 INFO L158 Benchmark]: Boogie Preprocessor took 128.38ms. Allocated memory is still 182.5MB. Free memory was 137.6MB in the beginning and 133.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:19:33,411 INFO L158 Benchmark]: RCFGBuilder took 1840.78ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 103.5MB in the end (delta: 29.9MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2023-11-23 20:19:33,416 INFO L158 Benchmark]: CodeCheck took 8058.45ms. Allocated memory was 182.5MB in the beginning and 274.7MB in the end (delta: 92.3MB). Free memory was 103.5MB in the beginning and 176.8MB in the end (delta: -73.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-23 20:19:33,417 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 274.7MB. Free memory is still 176.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:33,427 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 98, overapproximation of bitwiseAnd at line 113. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 8); [L33] const SORT_12 msb_SORT_12 = (SORT_12)1 << (8 - 1); [L35] const SORT_3 var_14 = 0; [L36] const SORT_3 var_30 = 1; [L38] SORT_1 input_2; [L39] SORT_3 input_4; [L40] SORT_3 input_5; [L41] SORT_3 input_6; [L42] SORT_3 input_7; [L43] SORT_3 input_8; [L44] SORT_3 input_9; [L45] SORT_3 input_10; [L46] SORT_3 input_11; [L47] SORT_12 input_13; [L48] SORT_12 input_34; [L49] SORT_12 input_36; [L50] SORT_3 input_38; [L51] SORT_12 input_100; [L52] SORT_3 input_102; [L53] SORT_1 input_105; [L54] SORT_3 input_107; [L55] SORT_3 input_109; [L56] SORT_3 input_111; [L57] SORT_3 input_113; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L59] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L60] SORT_3 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L61] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L62] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L64] SORT_3 init_16_arg_1 = var_14; [L65] state_15 = init_16_arg_1 [L66] SORT_3 init_18_arg_1 = var_14; [L67] state_17 = init_18_arg_1 [L68] SORT_3 init_21_arg_1 = var_14; [L69] state_20 = init_21_arg_1 [L70] SORT_3 init_25_arg_1 = var_14; [L71] state_24 = init_25_arg_1 VAL [init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, mask_SORT_12=255, mask_SORT_1=7, mask_SORT_3=1, msb_SORT_12=128, msb_SORT_1=4, msb_SORT_3=1, state_15=0, state_17=0, state_20=0, state_24=0, var_14=0, var_30=1] [L74] input_2 = __VERIFIER_nondet_uchar() [L75] input_4 = __VERIFIER_nondet_uchar() [L76] input_5 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uchar() [L78] input_7 = __VERIFIER_nondet_uchar() [L79] input_8 = __VERIFIER_nondet_uchar() [L80] input_9 = __VERIFIER_nondet_uchar() [L81] input_10 = __VERIFIER_nondet_uchar() [L82] input_11 = __VERIFIER_nondet_uchar() [L83] input_13 = __VERIFIER_nondet_uchar() [L84] input_34 = __VERIFIER_nondet_uchar() [L85] input_36 = __VERIFIER_nondet_uchar() [L86] input_38 = __VERIFIER_nondet_uchar() [L87] input_100 = __VERIFIER_nondet_uchar() [L88] input_102 = __VERIFIER_nondet_uchar() [L89] input_105 = __VERIFIER_nondet_uchar() [L90] input_107 = __VERIFIER_nondet_uchar() [L91] input_109 = __VERIFIER_nondet_uchar() [L92] input_111 = __VERIFIER_nondet_uchar() [L93] input_113 = __VERIFIER_nondet_uchar() [L96] SORT_3 var_19_arg_0 = state_15; [L97] SORT_3 var_19_arg_1 = state_17; [L98] EXPR var_19_arg_0 | var_19_arg_1 [L98] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L99] SORT_3 var_22_arg_0 = var_19; [L100] SORT_3 var_22_arg_1 = state_20; [L101] EXPR var_22_arg_0 | var_22_arg_1 [L101] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L102] SORT_3 var_23_arg_0 = var_22; [L103] SORT_3 var_23 = ~var_23_arg_0; [L104] SORT_3 var_26_arg_0 = state_24; [L105] SORT_3 var_26 = ~var_26_arg_0; [L106] SORT_3 var_27_arg_0 = var_23; [L107] SORT_3 var_27_arg_1 = var_26; [L108] EXPR var_27_arg_0 | var_27_arg_1 [L108] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L109] SORT_3 var_31_arg_0 = var_27; [L110] SORT_3 var_31 = ~var_31_arg_0; [L111] SORT_3 var_32_arg_0 = var_30; [L112] SORT_3 var_32_arg_1 = var_31; [L113] EXPR var_32_arg_0 & var_32_arg_1 [L113] SORT_3 var_32 = var_32_arg_0 & var_32_arg_1; [L114] EXPR var_32 & mask_SORT_3 [L114] var_32 = var_32 & mask_SORT_3 [L115] SORT_3 bad_33_arg_0 = var_32; [L116] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L116] RET __VERIFIER_assert(!(bad_33_arg_0)) [L118] SORT_3 var_40_arg_0 = state_17; [L119] SORT_3 var_40 = ~var_40_arg_0; [L120] SORT_3 var_41_arg_0 = state_15; [L121] SORT_3 var_41 = ~var_41_arg_0; [L122] SORT_3 var_42_arg_0 = var_41; [L123] SORT_3 var_42_arg_1 = state_20; [L124] EXPR var_42_arg_0 & var_42_arg_1 [L124] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L125] SORT_3 var_43_arg_0 = var_42; [L126] SORT_3 var_43 = ~var_43_arg_0; [L127] SORT_3 var_44_arg_0 = var_40; [L128] SORT_3 var_44_arg_1 = var_43; [L129] EXPR var_44_arg_0 | var_44_arg_1 [L129] SORT_3 var_44 = var_44_arg_0 | var_44_arg_1; [L130] SORT_3 var_45_arg_0 = var_44; [L131] SORT_3 var_45 = ~var_45_arg_0; [L132] SORT_3 var_46_arg_0 = state_17; [L133] SORT_3 var_46_arg_1 = state_20; [L134] EXPR var_46_arg_0 & var_46_arg_1 [L134] SORT_3 var_46 = var_46_arg_0 & var_46_arg_1; [L135] SORT_3 var_47_arg_0 = var_41; [L136] SORT_3 var_47_arg_1 = var_46; [L137] EXPR var_47_arg_0 | var_47_arg_1 [L137] SORT_3 var_47 = var_47_arg_0 | var_47_arg_1; [L138] SORT_3 var_48_arg_0 = var_47; [L139] SORT_3 var_48 = ~var_48_arg_0; [L140] SORT_3 var_49_arg_0 = var_45; [L141] SORT_3 var_49_arg_1 = var_48; [L142] EXPR var_49_arg_0 | var_49_arg_1 [L142] SORT_3 var_49 = var_49_arg_0 | var_49_arg_1; [L143] SORT_3 next_115_arg_1 = var_49; [L144] SORT_3 var_51_arg_0 = state_20; [L145] SORT_3 var_51 = ~var_51_arg_0; [L146] SORT_3 var_52_arg_0 = state_17; [L147] SORT_3 var_52_arg_1 = var_51; [L148] EXPR var_52_arg_0 | var_52_arg_1 [L148] SORT_3 var_52 = var_52_arg_0 | var_52_arg_1; [L149] SORT_3 var_53_arg_0 = state_17; [L150] SORT_3 var_53_arg_1 = var_51; [L151] EXPR var_53_arg_0 & var_53_arg_1 [L151] SORT_3 var_53 = var_53_arg_0 & var_53_arg_1; [L152] SORT_3 var_54_arg_0 = var_53; [L153] SORT_3 var_54 = ~var_54_arg_0; [L154] SORT_3 var_55_arg_0 = var_52; [L155] SORT_3 var_55_arg_1 = var_54; [L156] EXPR var_55_arg_0 & var_55_arg_1 [L156] SORT_3 var_55 = var_55_arg_0 & var_55_arg_1; [L157] SORT_3 var_56_arg_0 = var_55; [L158] SORT_3 var_56 = ~var_56_arg_0; [L159] SORT_3 next_116_arg_1 = var_56; [L160] SORT_1 var_58_arg_0 = input_2; [L161] SORT_3 var_58 = var_58_arg_0 >> 0; [L162] SORT_1 var_59_arg_0 = input_2; [L163] SORT_3 var_59 = var_59_arg_0 >> 2; [L164] SORT_3 var_60_arg_0 = var_59; [L165] SORT_3 var_60 = ~var_60_arg_0; [L166] SORT_1 var_61_arg_0 = input_2; [L167] SORT_3 var_61 = var_61_arg_0 >> 1; [L168] SORT_3 var_62_arg_0 = var_60; [L169] SORT_3 var_62_arg_1 = var_61; [L170] EXPR var_62_arg_0 | var_62_arg_1 [L170] SORT_3 var_62 = var_62_arg_0 | var_62_arg_1; [L171] SORT_3 var_63_arg_0 = var_58; [L172] SORT_3 var_63_arg_1 = var_62; [L173] EXPR var_63_arg_0 | var_63_arg_1 [L173] SORT_3 var_63 = var_63_arg_0 | var_63_arg_1; [L174] SORT_3 var_64_arg_0 = var_63; [L175] SORT_3 var_64 = ~var_64_arg_0; [L176] SORT_3 var_65_arg_0 = state_15; [L177] SORT_3 var_65_arg_1 = state_17; [L178] EXPR var_65_arg_0 | var_65_arg_1 [L178] SORT_3 var_65 = var_65_arg_0 | var_65_arg_1; [L179] SORT_3 var_66_arg_0 = var_64; [L180] SORT_3 var_66_arg_1 = var_65; [L181] EXPR var_66_arg_0 | var_66_arg_1 [L181] SORT_3 var_66 = var_66_arg_0 | var_66_arg_1; [L182] SORT_3 var_67_arg_0 = var_66; [L183] SORT_3 var_67_arg_1 = var_51; [L184] EXPR var_67_arg_0 & var_67_arg_1 [L184] SORT_3 var_67 = var_67_arg_0 & var_67_arg_1; [L185] SORT_3 next_117_arg_1 = var_67; [L186] SORT_3 var_69_arg_0 = state_15; [L187] SORT_3 var_69_arg_1 = state_20; [L188] EXPR var_69_arg_0 & var_69_arg_1 [L188] SORT_3 var_69 = var_69_arg_0 & var_69_arg_1; [L189] SORT_3 var_70_arg_0 = var_69; [L190] SORT_3 var_70 = ~var_70_arg_0; [L191] SORT_3 var_71_arg_0 = var_40; [L192] SORT_3 var_71_arg_1 = var_70; [L193] EXPR var_71_arg_0 | var_71_arg_1 [L193] SORT_3 var_71 = var_71_arg_0 | var_71_arg_1; [L194] SORT_3 var_72_arg_0 = var_71; [L195] SORT_3 var_72 = ~var_72_arg_0; [L196] SORT_3 var_73_arg_0 = state_20; [L197] SORT_3 var_73_arg_1 = var_65; [L198] EXPR var_73_arg_0 | var_73_arg_1 [L198] SORT_3 var_73 = var_73_arg_0 | var_73_arg_1; [L199] SORT_3 var_74_arg_0 = var_73; [L200] SORT_3 var_74 = ~var_74_arg_0; [L201] SORT_3 var_75_arg_0 = var_58; [L202] SORT_3 var_75_arg_1 = var_74; [L203] EXPR var_75_arg_0 & var_75_arg_1 [L203] SORT_3 var_75 = var_75_arg_0 & var_75_arg_1; [L204] SORT_3 var_76_arg_0 = var_75; [L205] SORT_3 var_76 = ~var_76_arg_0; [L206] SORT_3 var_77_arg_0 = var_76; [L207] SORT_3 var_77 = ~var_77_arg_0; [L208] SORT_3 var_78_arg_0 = var_72; [L209] SORT_3 var_78_arg_1 = var_77; [L210] EXPR var_78_arg_0 | var_78_arg_1 [L210] SORT_3 var_78 = var_78_arg_0 | var_78_arg_1; [L211] SORT_3 var_79_arg_0 = var_62; [L212] SORT_3 var_79_arg_1 = var_74; [L213] EXPR var_79_arg_0 & var_79_arg_1 [L213] SORT_3 var_79 = var_79_arg_0 & var_79_arg_1; [L214] SORT_3 var_80_arg_0 = var_78; [L215] SORT_3 var_80_arg_1 = var_79; [L216] EXPR var_80_arg_0 | var_80_arg_1 [L216] SORT_3 var_80 = var_80_arg_0 | var_80_arg_1; [L217] SORT_3 next_118_arg_1 = var_80; [L219] state_15 = next_115_arg_1 [L220] state_17 = next_116_arg_1 [L221] state_20 = next_117_arg_1 [L222] state_24 = next_118_arg_1 VAL [bad_33_arg_0=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, input_2=253, mask_SORT_12=255, mask_SORT_1=7, mask_SORT_3=1, msb_SORT_12=128, msb_SORT_1=4, msb_SORT_3=1, next_115_arg_1=0, next_116_arg_1=0, next_117_arg_1=254, next_118_arg_1=253, state_15=0, state_17=0, state_20=254, state_24=253, var_14=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=255, var_23_arg_0=0, var_26=255, var_26_arg_0=0, var_27=255, var_27_arg_0=255, var_27_arg_1=255, var_30=1, var_31=0, var_31_arg_0=255, var_32=0, var_32_arg_0=1, var_32_arg_1=0, var_40=255, var_40_arg_0=0, var_41=255, var_41_arg_0=0, var_42=0, var_42_arg_0=255, var_42_arg_1=0, var_43=255, var_43_arg_0=0, var_44=255, var_44_arg_0=255, var_44_arg_1=255, var_45=0, var_45_arg_0=255, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=255, var_47_arg_0=255, var_47_arg_1=0, var_48=0, var_48_arg_0=255, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_51=255, var_51_arg_0=0, var_52=255, var_52_arg_0=0, var_52_arg_1=255, var_53=0, var_53_arg_0=0, var_53_arg_1=255, var_54=255, var_54_arg_0=0, var_55=255, var_55_arg_0=255, var_55_arg_1=255, var_56=0, var_56_arg_0=255, var_58=253, var_58_arg_0=253, var_59=63, var_59_arg_0=253, var_60=192, var_60_arg_0=63, var_61=126, var_61_arg_0=253, var_62=254, var_62_arg_0=192, var_62_arg_1=126, var_63=1, var_63_arg_0=253, var_63_arg_1=254, var_64=254, var_64_arg_0=1, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_66=254, var_66_arg_0=254, var_66_arg_1=0, var_67=254, var_67_arg_0=254, var_67_arg_1=255, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_70=255, var_70_arg_0=0, var_71=255, var_71_arg_0=255, var_71_arg_1=255, var_72=0, var_72_arg_0=255, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_74=255, var_74_arg_0=0, var_75=0, var_75_arg_0=253, var_75_arg_1=255, var_76=255, var_76_arg_0=0, var_77=0, var_77_arg_0=255, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_79=253, var_79_arg_0=254, var_79_arg_1=255, var_80=253, var_80_arg_0=0, var_80_arg_1=253] [L74] input_2 = __VERIFIER_nondet_uchar() [L75] input_4 = __VERIFIER_nondet_uchar() [L76] input_5 = __VERIFIER_nondet_uchar() [L77] input_6 = __VERIFIER_nondet_uchar() [L78] input_7 = __VERIFIER_nondet_uchar() [L79] input_8 = __VERIFIER_nondet_uchar() [L80] input_9 = __VERIFIER_nondet_uchar() [L81] input_10 = __VERIFIER_nondet_uchar() [L82] input_11 = __VERIFIER_nondet_uchar() [L83] input_13 = __VERIFIER_nondet_uchar() [L84] input_34 = __VERIFIER_nondet_uchar() [L85] input_36 = __VERIFIER_nondet_uchar() [L86] input_38 = __VERIFIER_nondet_uchar() [L87] input_100 = __VERIFIER_nondet_uchar() [L88] input_102 = __VERIFIER_nondet_uchar() [L89] input_105 = __VERIFIER_nondet_uchar() [L90] input_107 = __VERIFIER_nondet_uchar() [L91] input_109 = __VERIFIER_nondet_uchar() [L92] input_111 = __VERIFIER_nondet_uchar() [L93] input_113 = __VERIFIER_nondet_uchar() [L96] SORT_3 var_19_arg_0 = state_15; [L97] SORT_3 var_19_arg_1 = state_17; [L98] EXPR var_19_arg_0 | var_19_arg_1 [L98] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L99] SORT_3 var_22_arg_0 = var_19; [L100] SORT_3 var_22_arg_1 = state_20; [L101] EXPR var_22_arg_0 | var_22_arg_1 [L101] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L102] SORT_3 var_23_arg_0 = var_22; [L103] SORT_3 var_23 = ~var_23_arg_0; [L104] SORT_3 var_26_arg_0 = state_24; [L105] SORT_3 var_26 = ~var_26_arg_0; [L106] SORT_3 var_27_arg_0 = var_23; [L107] SORT_3 var_27_arg_1 = var_26; [L108] EXPR var_27_arg_0 | var_27_arg_1 [L108] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L109] SORT_3 var_31_arg_0 = var_27; [L110] SORT_3 var_31 = ~var_31_arg_0; [L111] SORT_3 var_32_arg_0 = var_30; [L112] SORT_3 var_32_arg_1 = var_31; [L113] EXPR var_32_arg_0 & var_32_arg_1 [L113] SORT_3 var_32 = var_32_arg_0 & var_32_arg_1; [L114] EXPR var_32 & mask_SORT_3 [L114] var_32 = var_32 & mask_SORT_3 [L115] SORT_3 bad_33_arg_0 = var_32; [L116] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory was 106.0MB in the beginning and 106.0MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.53ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 74.4MB in the beginning and 148.1MB in the end (delta: -73.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.59ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 137.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.38ms. Allocated memory is still 182.5MB. Free memory was 137.6MB in the beginning and 133.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1840.78ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 103.5MB in the end (delta: 29.9MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. * CodeCheck took 8058.45ms. Allocated memory was 182.5MB in the beginning and 274.7MB in the end (delta: 92.3MB). Free memory was 103.5MB in the beginning and 176.8MB in the end (delta: -73.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 274.7MB. Free memory is still 176.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:19:33,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 895ff1e019ffafaf8b2f8e3efbd16ea4845b2e4eac0a4db8b4c86c462883ae8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:36,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:36,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:19:36,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:36,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:36,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:36,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:36,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:36,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:36,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:36,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:36,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:36,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:36,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:36,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:19:36,330 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:19:36,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:19:36,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:36,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:36,332 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:36,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:36,332 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:36,333 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:36,333 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:19:36,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:36,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:36,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:36,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:36,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:36,336 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:19:36,337 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:36,337 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:36,337 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:19:36,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:19:36,338 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 895ff1e019ffafaf8b2f8e3efbd16ea4845b2e4eac0a4db8b4c86c462883ae8c [2023-11-23 20:19:36,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:36,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:36,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:36,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:36,744 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:36,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2023-11-23 20:19:40,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:40,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:40,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c [2023-11-23 20:19:40,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/data/bd0709037/0dd5871a6dd34c54b638a78686137029/FLAG898f53a61 [2023-11-23 20:19:40,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/data/bd0709037/0dd5871a6dd34c54b638a78686137029 [2023-11-23 20:19:40,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:40,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:40,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:40,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:40,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:40,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f434cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40, skipping insertion in model container [2023-11-23 20:19:40,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:40,515 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1259,1272] [2023-11-23 20:19:40,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:40,601 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:40,614 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p2.c[1259,1272] [2023-11-23 20:19:40,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:40,693 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:40,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40 WrapperNode [2023-11-23 20:19:40,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:40,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:40,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:40,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:40,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,814 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 254 [2023-11-23 20:19:40,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:40,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:40,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:40,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:40,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:40,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:40,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:40,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:40,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:40" (1/1) ... [2023-11-23 20:19:40,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:40,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:40,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:40,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:19:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:41,143 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:41,146 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:41,489 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:41,554 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:41,554 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:19:41,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:41 BoogieIcfgContainer [2023-11-23 20:19:41,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:41,556 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:41,557 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:41,567 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:41,567 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:41" (1/1) ... [2023-11-23 20:19:41,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:19:41,635 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:19:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:19:41,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:41,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:41,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:19:41,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:19:41,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:19:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:41,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:19:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:41,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:19:41,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:42,131 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:19:42,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:19:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-23 20:19:42,207 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-23 20:19:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:19:42,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:42,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:42,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:19:42,209 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:19:42,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:19:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:42,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:19:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:42,528 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:19:42,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:43,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:19:54,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 20:20:04,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 20:20:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:04,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:04,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:04,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:04,761 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:04,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:20:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,045 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:05,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:05,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:05,586 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:05,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-23 20:20:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:05,616 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:05,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:05,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:05,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:05,619 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:05,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:20:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,876 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:05,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:06,377 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:06,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-23 20:20:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:06,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:06,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:06,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:06,409 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:06,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:20:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,597 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,664 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:06,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:07,180 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:07,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-23 20:20:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:07,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:07,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:07,212 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:07,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 20:20:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,477 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:07,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:08,007 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:08,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-23 20:20:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:08,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:08,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:08,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:08,033 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:08,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 20:20:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,277 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:08,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:08,783 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:08,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-23 20:20:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:08,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:08,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:08,813 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:08,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-23 20:20:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,051 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:09,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:09,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-23 20:20:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:09,541 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:09,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:09,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:09,548 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:09,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-23 20:20:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,795 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:09,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:10,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-11-23 20:20:10,205 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:10,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:10,217 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:10,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:10,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:10,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:10,220 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:10,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-23 20:20:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,447 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:10,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:10,855 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:10,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-23 20:20:10,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:10,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:10,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:10,877 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:10,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-23 20:20:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,097 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:11,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:11,504 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:11,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-23 20:20:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:11,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:11,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:11,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:11,524 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:11,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-23 20:20:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,756 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:11,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:12,120 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:12,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-11-23 20:20:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:12,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:12,140 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:12,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:12,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:12,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:12,145 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:12,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-23 20:20:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:12,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:12,367 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:12,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:12,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-11-23 20:20:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:12,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:12,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:12,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:12,694 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:12,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-23 20:20:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:12,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:12,906 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:12,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:13,232 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (15)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:13,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-11-23 20:20:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:13,243 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:13,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:13,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:13,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:13,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:13,245 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:13,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-11-23 20:20:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:13,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:13,463 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:13,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:13,796 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (16)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:20:13,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-11-23 20:20:13,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:20:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:20:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:13,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:13,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:13,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:20:13,821 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:20:13,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf2a7ba-47f9-4934-bb7d-65eceac3dc79/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-23 20:20:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:13,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:20:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:14,052 WARN L260 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-23 20:20:14,055 INFO L285 TraceCheckSpWp]: Computing forward predicates...