./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm --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 c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:48:26,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:48:26,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:48:26,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:48:26,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:48:26,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:48:26,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:48:26,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:48:26,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:48:26,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:48:26,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:48:26,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:48:26,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:48:26,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:48:26,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:48:26,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:48:26,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:48:26,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:48:26,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:48:26,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:48:26,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:48:26,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:48:26,822 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:48:26,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:48:26,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:26,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:48:26,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:48:26,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:48:26,827 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:48:26,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:48:26,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 [2024-11-13 20:48:27,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:48:27,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:48:27,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:48:27,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:48:27,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:48:27,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c Unable to find full path for "g++" [2024-11-13 20:48:29,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:48:29,639 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:48:29,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2024-11-13 20:48:29,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/data/db46cfd95/0e219f47671a46738de731496ae4fc87/FLAG029d6e296 [2024-11-13 20:48:29,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/data/db46cfd95/0e219f47671a46738de731496ae4fc87 [2024-11-13 20:48:29,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:48:29,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:48:29,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:29,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:48:29,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:48:29,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:29,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708c3298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:29, skipping insertion in model container [2024-11-13 20:48:29,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:29" (1/1) ... [2024-11-13 20:48:29,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:48:29,915 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2024-11-13 20:48:30,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:30,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:48:30,071 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2024-11-13 20:48:30,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:30,177 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:48:30,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30 WrapperNode [2024-11-13 20:48:30,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:30,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:30,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:48:30,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:48:30,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,275 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 414 [2024-11-13 20:48:30,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:30,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:48:30,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:48:30,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:48:30,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:48:30,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:48:30,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:48:30,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:48:30,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:30" (1/1) ... [2024-11-13 20:48:30,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:30,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:48:30,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:48:30,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:48:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:48:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:48:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:48:30,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:48:30,600 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:48:30,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:48:31,524 INFO L? ?]: Removed 168 outVars from TransFormulas that were not future-live. [2024-11-13 20:48:31,524 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:48:32,077 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:48:32,077 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:48:32,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:32 BoogieIcfgContainer [2024-11-13 20:48:32,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:48:32,079 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:48:32,079 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:48:32,091 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:48:32,091 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:48:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:32,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:48:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:48:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:48:32,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:32,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:32,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:48:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:32,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:48:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:48:33,146 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:48:33,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:48:33 ImpRootNode [2024-11-13 20:48:33,186 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:48:33,187 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:48:33,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:48:33,190 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:48:33,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:32" (3/4) ... [2024-11-13 20:48:33,194 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:48:33,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:48:33,196 INFO L158 Benchmark]: Toolchain (without parser) took 3511.33ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 46.3MB in the end (delta: 45.4MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-11-13 20:48:33,196 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:33,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.04ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 75.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:48:33,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.30ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 66.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:48:33,201 INFO L158 Benchmark]: Boogie Preprocessor took 100.32ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 63.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:33,201 INFO L158 Benchmark]: RCFGBuilder took 1700.36ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 38.2MB in the end (delta: 25.3MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2024-11-13 20:48:33,202 INFO L158 Benchmark]: CodeCheck took 1107.42ms. Allocated memory is still 117.4MB. Free memory was 38.2MB in the beginning and 46.3MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:33,202 INFO L158 Benchmark]: Witness Printer took 7.76ms. Allocated memory is still 117.4MB. Free memory was 46.3MB in the beginning and 46.3MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:48:33,207 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: 1.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 bitwiseAnd at line 84, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_1 var_9 = 0; [L30] const SORT_1 var_17 = 1; [L32] SORT_1 input_2; [L33] SORT_1 input_3; [L34] SORT_1 input_4; [L35] SORT_1 input_5; [L36] SORT_1 input_6; [L37] SORT_1 input_7; [L38] SORT_1 input_8; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L40] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L41] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L42] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L43] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L44] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L49] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 init_11_arg_1 = var_9; [L54] state_10 = init_11_arg_1 [L55] SORT_1 init_13_arg_1 = var_9; [L56] state_12 = init_13_arg_1 [L57] SORT_1 init_22_arg_1 = var_9; [L58] state_21 = init_22_arg_1 [L59] SORT_1 init_24_arg_1 = var_9; [L60] state_23 = init_24_arg_1 [L61] SORT_1 init_26_arg_1 = var_9; [L62] state_25 = init_26_arg_1 [L63] SORT_1 init_28_arg_1 = var_9; [L64] state_27 = init_28_arg_1 [L65] SORT_1 init_30_arg_1 = var_9; [L66] state_29 = init_30_arg_1 [L67] SORT_1 init_32_arg_1 = var_9; [L68] state_31 = init_32_arg_1 [L69] SORT_1 init_34_arg_1 = var_9; [L70] state_33 = init_34_arg_1 [L71] SORT_1 init_36_arg_1 = var_9; [L72] state_35 = init_36_arg_1 [L73] SORT_1 init_39_arg_1 = var_9; [L74] state_38 = init_39_arg_1 [L75] SORT_1 init_41_arg_1 = var_9; [L76] state_40 = init_41_arg_1 VAL [mask_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0] [L79] input_2 = __VERIFIER_nondet_uchar() [L80] input_3 = __VERIFIER_nondet_uchar() [L81] input_4 = __VERIFIER_nondet_uchar() [L82] input_5 = __VERIFIER_nondet_uchar() [L83] input_6 = __VERIFIER_nondet_uchar() [L84] EXPR input_6 & mask_SORT_1 [L84] input_6 = input_6 & mask_SORT_1 [L85] input_7 = __VERIFIER_nondet_uchar() [L86] EXPR input_7 & mask_SORT_1 [L86] input_7 = input_7 & mask_SORT_1 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] EXPR input_8 & mask_SORT_1 [L88] input_8 = input_8 & mask_SORT_1 [L91] SORT_1 var_14_arg_0 = state_10; [L92] SORT_1 var_14_arg_1 = state_12; [L93] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L94] SORT_1 var_18_arg_0 = var_14; [L95] SORT_1 var_18 = ~var_18_arg_0; [L96] SORT_1 var_19_arg_0 = var_17; [L97] SORT_1 var_19_arg_1 = var_18; [L98] EXPR var_19_arg_0 & var_19_arg_1 [L98] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L99] EXPR var_19 & mask_SORT_1 [L99] var_19 = var_19 & mask_SORT_1 [L100] SORT_1 bad_20_arg_0 = var_19; [L101] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.04ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 75.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.30ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 66.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.32ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 63.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1700.36ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 38.2MB in the end (delta: 25.3MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * CodeCheck took 1107.42ms. Allocated memory is still 117.4MB. Free memory was 38.2MB in the beginning and 46.3MB in the end (delta: -8.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.76ms. Allocated memory is still 117.4MB. Free memory was 46.3MB in the beginning and 46.3MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:48:33,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm --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 c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:48:36,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:48:36,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:48:36,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:48:36,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:48:36,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:48:36,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:48:36,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:48:36,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:48:36,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:48:36,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:48:36,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:48:36,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:48:36,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:48:36,322 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:48:36,322 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:48:36,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:48:36,322 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:48:36,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:48:36,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:48:36,323 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:48:36,323 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:48:36,323 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:48:36,323 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:36,323 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:48:36,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:48:36,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:36,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:48:36,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:48:36,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:48:36,324 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:48:36,324 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:36,324 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:48:36,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 [2024-11-13 20:48:36,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:48:36,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:48:36,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:48:36,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:48:36,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:48:36,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c Unable to find full path for "g++" [2024-11-13 20:48:38,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:48:39,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:48:39,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2024-11-13 20:48:39,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/data/bd314b17e/299588dcc4de4e4c9382af2265af3491/FLAGd9dfe4149 [2024-11-13 20:48:39,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/data/bd314b17e/299588dcc4de4e4c9382af2265af3491 [2024-11-13 20:48:39,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:48:39,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:48:39,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:39,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:48:39,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:48:39,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54eeb3d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39, skipping insertion in model container [2024-11-13 20:48:39,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:48:39,459 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2024-11-13 20:48:39,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:39,554 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:48:39,571 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2024-11-13 20:48:39,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:39,641 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:48:39,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39 WrapperNode [2024-11-13 20:48:39,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:39,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:39,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:48:39,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:48:39,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,712 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 246 [2024-11-13 20:48:39,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:39,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:48:39,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:48:39,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:48:39,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:48:39,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:48:39,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:48:39,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:48:39,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:39" (1/1) ... [2024-11-13 20:48:39,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:39,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:48:39,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:48:39,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:48:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:48:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:48:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:48:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:48:40,036 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:48:40,039 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:48:40,487 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-13 20:48:40,487 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:48:40,547 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:48:40,547 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:48:40,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:40 BoogieIcfgContainer [2024-11-13 20:48:40,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:48:40,549 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:48:40,549 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:48:40,559 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:48:40,559 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:40" (1/1) ... [2024-11-13 20:48:40,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:48:40,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:48:40,624 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:48:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:48:40,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:40,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:40,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:40,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:40,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:48:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:40,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:40,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 20:48:40,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:41,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:41,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:48:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:48:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:48:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:48:41,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:41,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:41,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:41,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:41,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:48:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:41,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:41,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:48:41,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:42,206 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:48:42,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2024-11-13 20:48:42,792 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2024-11-13 20:48:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:48:42,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:42,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:42,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:42,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:42,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:48:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:43,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:43,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 20:48:43,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:43,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2024-11-13 20:48:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2024-11-13 20:48:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:48:45,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:45,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:45,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:45,127 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:45,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:48:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:45,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:45,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:48:45,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:04,721 WARN L286 SmtUtils]: Spent 14.99s on a formula simplification. DAG size of input: 133 DAG size of output: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:49:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:49:05,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:49:26,256 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] [2024-11-13 20:49:38,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 22 states and 54 transitions. [2024-11-13 20:49:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 54 transitions. [2024-11-13 20:49:38,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:49:38,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:38,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:38,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:38,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:38,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:49:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:38,850 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:38,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:49:38,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:14,734 WARN L286 SmtUtils]: Spent 10.30s on a formula simplification. DAG size of input: 133 DAG size of output: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:50:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:15,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 20:50:15,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 22 states and 54 transitions. [2024-11-13 20:50:15,222 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 54 transitions. [2024-11-13 20:50:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:50:15,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:15,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:15,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:15,227 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:15,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:50:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:15,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:15,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 20:50:15,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:21,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 20:50:26,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:50:28,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:50:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 25 states and 67 transitions. [2024-11-13 20:50:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 67 transitions. [2024-11-13 20:50:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:50:32,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:32,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:32,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:32,490 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:32,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:50:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:32,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:32,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:50:32,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:38,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 20:51:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 26 states and 71 transitions. [2024-11-13 20:51:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 71 transitions. [2024-11-13 20:51:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:51:45,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:45,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:45,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:45,907 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:45,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:51:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:46,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:46,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 20:51:46,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:50,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 20:52:39,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.11s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:52:40,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:52:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:40,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 29 states and 87 transitions. [2024-11-13 20:52:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 87 transitions. [2024-11-13 20:52:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:52:40,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:40,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:40,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:40,638 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:40,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:52:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:41,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:41,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 20:52:41,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:25,547 WARN L286 SmtUtils]: Spent 40.39s on a formula simplification. DAG size of input: 118 DAG size of output: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:53:26,181 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 20:53:26,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d0eb956-5f45-4ef1-b42b-e04fc4aa53b9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 20:53:43,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:53:53,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:55:15,567 WARN L286 SmtUtils]: Spent 1.34m on a formula simplification. DAG size of input: 142 DAG size of output: 141 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:55:36,238 WARN L286 SmtUtils]: Spent 20.08s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:56:16,670 WARN L286 SmtUtils]: Spent 40.22s on a formula simplification. DAG size of input: 144 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:56:57,601 WARN L286 SmtUtils]: Spent 39.96s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:57:07,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:57:28,622 WARN L286 SmtUtils]: Spent 20.12s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:57:38,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:57:48,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:57:58,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:58:08,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:58:19,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:59:40,302 WARN L286 SmtUtils]: Spent 1.34m on a formula simplification. DAG size of input: 141 DAG size of output: 140 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:00:20,844 WARN L286 SmtUtils]: Spent 40.26s on a formula simplification. DAG size of input: 143 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:01:00,594 WARN L286 SmtUtils]: Spent 38.77s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:01:21,653 WARN L286 SmtUtils]: Spent 20.11s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:02:42,651 WARN L286 SmtUtils]: Spent 1.34m on a formula simplification. DAG size of input: 139 DAG size of output: 138 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:03:24,781 WARN L286 SmtUtils]: Spent 40.24s on a formula simplification that was a NOOP. DAG size: 139 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:03:34,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:03:44,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]