./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/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 91a5940ce3f60c3fcf83b84d5a1f735b55b40f459401d21503de4cc81e5ec1d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:42:25,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:42:25,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:42:25,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:42:25,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:42:25,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:42:25,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:42:25,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:42:25,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:42:25,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:42:25,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:42:25,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:42:25,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:42:25,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:42:25,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:42:25,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:42:25,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:42:25,354 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:42:25,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:42:25,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:42:25,355 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:42:25,355 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:42:25,355 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:42:25,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:42:25,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:42:25,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:42:25,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:42:25,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:42:25,356 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:42:25,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:42:25,356 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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/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 -> 91a5940ce3f60c3fcf83b84d5a1f735b55b40f459401d21503de4cc81e5ec1d5 [2024-11-13 16:42:25,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:42:25,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:42:25,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:42:25,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:42:25,713 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:42:25,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c Unable to find full path for "g++" [2024-11-13 16:42:27,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:42:28,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:42:28,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c [2024-11-13 16:42:28,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/data/1301de9c8/6e38fc34cacb429093e6b0277b238bfc/FLAG72329c0b5 [2024-11-13 16:42:28,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/data/1301de9c8/6e38fc34cacb429093e6b0277b238bfc [2024-11-13 16:42:28,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:42:28,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:42:28,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:42:28,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:42:28,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:42:28,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:42:28" (1/1) ... [2024-11-13 16:42:28,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2c25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:28, skipping insertion in model container [2024-11-13 16:42:28,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:42:28" (1/1) ... [2024-11-13 16:42:28,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:42:28,317 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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c[1245,1258] [2024-11-13 16:42:28,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:42:28,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:42:28,750 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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c[1245,1258] [2024-11-13 16:42:29,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:42:29,042 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:42:29,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29 WrapperNode [2024-11-13 16:42:29,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:42:29,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:42:29,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:42:29,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:42:29,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:29,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:29,772 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3751 [2024-11-13 16:42:29,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:42:29,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:42:29,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:42:29,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:42:29,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:29,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:29,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:29,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:30,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:30,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:30,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:30,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:30,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:42:30,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:42:30,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:42:30,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:42:30,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:29" (1/1) ... [2024-11-13 16:42:30,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:42:30,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:42:30,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:42:30,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:42:30,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:42:30,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:42:30,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:42:30,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:42:30,838 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:42:30,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:42:36,635 INFO L? ?]: Removed 2092 outVars from TransFormulas that were not future-live. [2024-11-13 16:42:36,636 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:42:42,942 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:42:42,942 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:42:42,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:42:42 BoogieIcfgContainer [2024-11-13 16:42:42,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:42:42,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:42:42,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:42:42,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:42:42,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:42:42" (1/1) ... [2024-11-13 16:42:42,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:42:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:43,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:42:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:42:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:42:43,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:43,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:42:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:42:58,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:43:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:43:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:43:26,307 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 16:43:26,311 INFO L158 Benchmark]: Toolchain (without parser) took 58233.08ms. Allocated memory was 117.4MB in the beginning and 704.6MB in the end (delta: 587.2MB). Free memory was 91.9MB in the beginning and 347.6MB in the end (delta: -255.7MB). Peak memory consumption was 335.1MB. Max. memory is 16.1GB. [2024-11-13 16:43:26,312 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:26,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 964.05ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 70.4MB in the end (delta: 21.2MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-13 16:43:26,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 727.89ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 69.8MB in the beginning and 208.9MB in the end (delta: -139.2MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-11-13 16:43:26,313 INFO L158 Benchmark]: Boogie Preprocessor took 416.20ms. Allocated memory is still 310.4MB. Free memory was 208.9MB in the beginning and 176.1MB in the end (delta: 32.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:43:26,314 INFO L158 Benchmark]: RCFGBuilder took 12750.47ms. Allocated memory was 310.4MB in the beginning and 822.1MB in the end (delta: 511.7MB). Free memory was 175.9MB in the beginning and 367.7MB in the end (delta: -191.8MB). Peak memory consumption was 493.4MB. Max. memory is 16.1GB. [2024-11-13 16:43:26,315 INFO L158 Benchmark]: CodeCheck took 43366.15ms. Allocated memory was 822.1MB in the beginning and 704.6MB in the end (delta: -117.4MB). Free memory was 367.7MB in the beginning and 347.6MB in the end (delta: 20.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:26,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 964.05ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 70.4MB in the end (delta: 21.2MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 727.89ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 69.8MB in the beginning and 208.9MB in the end (delta: -139.2MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 416.20ms. Allocated memory is still 310.4MB. Free memory was 208.9MB in the beginning and 176.1MB in the end (delta: 32.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 12750.47ms. Allocated memory was 310.4MB in the beginning and 822.1MB in the end (delta: 511.7MB). Free memory was 175.9MB in the beginning and 367.7MB in the end (delta: -191.8MB). Peak memory consumption was 493.4MB. Max. memory is 16.1GB. * CodeCheck took 43366.15ms. Allocated memory was 822.1MB in the beginning and 704.6MB in the end (delta: -117.4MB). Free memory was 367.7MB in the beginning and 347.6MB in the end (delta: 20.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:43:26,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/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 91a5940ce3f60c3fcf83b84d5a1f735b55b40f459401d21503de4cc81e5ec1d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:43:28,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:43:29,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:43:29,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:43:29,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:43:29,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:43:29,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:43:29,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:43:29,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:43:29,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:43:29,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:43:29,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:43:29,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:43:29,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:43:29,118 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:43:29,118 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:43:29,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:43:29,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:43:29,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:43:29,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:43:29,119 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:43:29,119 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:43:29,119 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:43:29,120 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:29,120 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:43:29,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:43:29,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:29,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:43:29,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:43:29,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:43:29,121 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:43:29,121 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:29,121 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:43:29,121 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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/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 -> 91a5940ce3f60c3fcf83b84d5a1f735b55b40f459401d21503de4cc81e5ec1d5 [2024-11-13 16:43:29,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:43:29,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:43:29,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:43:29,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:43:29,433 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:43:29,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c Unable to find full path for "g++" [2024-11-13 16:43:31,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:43:31,817 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:43:31,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c [2024-11-13 16:43:31,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/data/9dd157e71/8b234e5eb07b4895a5dd90b0fb777772/FLAG49eca47d7 [2024-11-13 16:43:31,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/data/9dd157e71/8b234e5eb07b4895a5dd90b0fb777772 [2024-11-13 16:43:31,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:43:31,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:43:31,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:31,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:43:31,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:43:31,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:31" (1/1) ... [2024-11-13 16:43:31,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5eb162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:31, skipping insertion in model container [2024-11-13 16:43:31,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:31" (1/1) ... [2024-11-13 16:43:31,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:43:32,164 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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c[1245,1258] [2024-11-13 16:43:32,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:32,606 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:43:32,621 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_964cdf6b-f6f0-4126-8885-2c31af5dff3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal21.c[1245,1258] [2024-11-13 16:43:32,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:32,923 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:43:32,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32 WrapperNode [2024-11-13 16:43:32,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:32,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:32,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:43:32,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:43:32,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:32,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:33,153 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1545 [2024-11-13 16:43:33,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:33,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:43:33,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:43:33,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:43:33,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:33,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:33,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:33,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:33,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:33,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:33,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:33,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:33,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:43:33,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:43:33,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:43:33,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:43:33,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:32" (1/1) ... [2024-11-13 16:43:33,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:33,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:43:33,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:43:33,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:43:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:43:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:43:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:43:33,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:43:33,811 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:43:33,813 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:43:36,741 INFO L? ?]: Removed 955 outVars from TransFormulas that were not future-live. [2024-11-13 16:43:36,742 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:43:36,823 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:43:36,824 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:43:36,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:36 BoogieIcfgContainer [2024-11-13 16:43:36,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:43:36,825 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:43:36,826 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:43:36,837 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:43:36,837 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:36" (1/1) ... [2024-11-13 16:43:36,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:43:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:43:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:43:36,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:43:36,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:36,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:36,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:36,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:36,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:43:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:38,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:38,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:43:38,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:39,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:43:40,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:43:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:43:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:43:40,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:40,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:40,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:40,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:40,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:43:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:43,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:45,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 1960 conjuncts, 184 conjuncts are in the unsatisfiable core [2024-11-13 16:43:45,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:48,890 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 16:43:48,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:43:52,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 16:43:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 16:43:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:43:52,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:52,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:52,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:52,439 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:52,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964cdf6b-f6f0-4126-8885-2c31af5dff3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:44:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:01,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:44:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:03,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 2900 conjuncts, 286 conjuncts are in the unsatisfiable core [2024-11-13 16:44:03,353 INFO L278 TraceCheckSpWp]: Computing forward predicates...