./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.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_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/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_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/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_59f31981-d976-4a00-98f1-02a8a11a4195/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 86420207978553f12291305f97119e41a0bbea7dcb598c19378d22b8b1c5ebcb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:13:19,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:13:20,088 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:13:20,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:13:20,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:13:20,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:13:20,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:13:20,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:13:20,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:13:20,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:13:20,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:13:20,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:13:20,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:13:20,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:13:20,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:13:20,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:13:20,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:13:20,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:13:20,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:13:20,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:13:20,141 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:13:20,141 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:13:20,141 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:13:20,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:13:20,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:20,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:13:20,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:13:20,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:13:20,142 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:13:20,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:13:20,143 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_59f31981-d976-4a00-98f1-02a8a11a4195/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 -> 86420207978553f12291305f97119e41a0bbea7dcb598c19378d22b8b1c5ebcb [2024-11-13 22:13:20,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:13:20,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:13:20,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:13:20,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:13:20,481 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:13:20,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c Unable to find full path for "g++" [2024-11-13 22:13:22,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:13:22,857 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:13:22,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c [2024-11-13 22:13:22,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/data/321fdf2ec/5b2a66f2b6294ef88b161b54be610092/FLAG9027b94ac [2024-11-13 22:13:22,891 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/data/321fdf2ec/5b2a66f2b6294ef88b161b54be610092 [2024-11-13 22:13:22,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:13:22,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:13:22,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:22,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:13:22,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:13:22,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:22" (1/1) ... [2024-11-13 22:13:22,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746befbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:22, skipping insertion in model container [2024-11-13 22:13:22,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:22" (1/1) ... [2024-11-13 22:13:22,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:13:23,198 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_59f31981-d976-4a00-98f1-02a8a11a4195/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c[1244,1257] [2024-11-13 22:13:23,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:23,779 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:13:23,791 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_59f31981-d976-4a00-98f1-02a8a11a4195/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c[1244,1257] [2024-11-13 22:13:24,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:24,073 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:13:24,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24 WrapperNode [2024-11-13 22:13:24,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:24,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:24,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:13:24,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:13:24,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:24,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:25,123 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6646 [2024-11-13 22:13:25,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:25,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:13:25,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:13:25,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:13:25,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:25,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:25,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:25,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:25,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:25,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:25,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:25,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:26,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:13:26,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:13:26,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:13:26,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:13:26,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:24" (1/1) ... [2024-11-13 22:13:26,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:26,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:13:26,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:13:26,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:13:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:13:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:13:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:13:26,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:13:26,920 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:13:26,922 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:13:38,232 INFO L? ?]: Removed 3724 outVars from TransFormulas that were not future-live. [2024-11-13 22:13:38,232 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:13:48,282 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:13:48,283 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:13:48,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:48 BoogieIcfgContainer [2024-11-13 22:13:48,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:13:48,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:13:48,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:13:48,294 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:13:48,295 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:48" (1/1) ... [2024-11-13 22:13:48,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:13:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:13:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:13:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:13:48,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:48,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:14:33,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:15:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:15:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:15:26,249 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 22:15:26,254 INFO L158 Benchmark]: Toolchain (without parser) took 123359.27ms. Allocated memory was 142.6MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 114.5MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-11-13 22:15:26,254 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:15:26,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1177.95ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 55.3MB in the end (delta: 58.9MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2024-11-13 22:15:26,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 1049.48ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 55.3MB in the beginning and 261.0MB in the end (delta: -205.7MB). Peak memory consumption was 174.4MB. Max. memory is 16.1GB. [2024-11-13 22:15:26,256 INFO L158 Benchmark]: Boogie Preprocessor took 915.96ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 261.0MB in the beginning and 1.1GB in the end (delta: -818.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-11-13 22:15:26,257 INFO L158 Benchmark]: RCFGBuilder took 22242.00ms. Allocated memory was 1.3GB in the beginning and 2.6GB in the end (delta: 1.3GB). Free memory was 1.1GB in the beginning and 835.5MB in the end (delta: 243.6MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-13 22:15:26,257 INFO L158 Benchmark]: CodeCheck took 97968.15ms. Allocated memory was 2.6GB in the beginning and 5.2GB in the end (delta: 2.6GB). Free memory was 835.5MB in the beginning and 2.8GB in the end (delta: -2.0GB). Peak memory consumption was 654.3MB. Max. memory is 16.1GB. [2024-11-13 22:15:26,260 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 0.33ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1177.95ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 55.3MB in the end (delta: 58.9MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1049.48ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 55.3MB in the beginning and 261.0MB in the end (delta: -205.7MB). Peak memory consumption was 174.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 915.96ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 261.0MB in the beginning and 1.1GB in the end (delta: -818.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * RCFGBuilder took 22242.00ms. Allocated memory was 1.3GB in the beginning and 2.6GB in the end (delta: 1.3GB). Free memory was 1.1GB in the beginning and 835.5MB in the end (delta: 243.6MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 97968.15ms. Allocated memory was 2.6GB in the beginning and 5.2GB in the end (delta: 2.6GB). Free memory was 835.5MB in the beginning and 2.8GB in the end (delta: -2.0GB). Peak memory consumption was 654.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:15:26,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/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_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/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_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/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_59f31981-d976-4a00-98f1-02a8a11a4195/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 86420207978553f12291305f97119e41a0bbea7dcb598c19378d22b8b1c5ebcb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:15:29,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:15:29,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:15:29,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:15:29,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:15:29,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:15:29,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:15:29,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:15:29,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:15:29,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:15:29,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:15:29,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:15:29,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:15:29,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:15:29,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:15:29,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:15:29,278 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:15:29,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:15:29,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:15:29,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:15:29,280 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:15:29,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:15:29,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:15:29,280 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:29,280 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:15:29,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:15:29,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:15:29,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:15:29,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:15:29,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:15:29,281 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:15:29,281 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:29,281 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:15:29,281 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_59f31981-d976-4a00-98f1-02a8a11a4195/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 -> 86420207978553f12291305f97119e41a0bbea7dcb598c19378d22b8b1c5ebcb [2024-11-13 22:15:29,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:15:29,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:15:29,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:15:29,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:15:29,664 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:15:29,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c Unable to find full path for "g++" [2024-11-13 22:15:31,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:15:32,171 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:15:32,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c [2024-11-13 22:15:32,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/data/15d95636f/8635bf9c1560410bbab1272f3ea69b44/FLAG4f3c8d9a9 [2024-11-13 22:15:32,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/data/15d95636f/8635bf9c1560410bbab1272f3ea69b44 [2024-11-13 22:15:32,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:15:32,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:15:32,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:15:32,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:15:32,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:15:32,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:15:32" (1/1) ... [2024-11-13 22:15:32,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40757d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:32, skipping insertion in model container [2024-11-13 22:15:32,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:15:32" (1/1) ... [2024-11-13 22:15:32,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:15:32,638 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_59f31981-d976-4a00-98f1-02a8a11a4195/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c[1244,1257] [2024-11-13 22:15:33,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:15:33,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:15:33,163 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_59f31981-d976-4a00-98f1-02a8a11a4195/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal7.c[1244,1257] [2024-11-13 22:15:33,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:15:33,430 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:15:33,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33 WrapperNode [2024-11-13 22:15:33,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:15:33,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:15:33,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:15:33,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:15:33,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,622 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2416 [2024-11-13 22:15:33,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:15:33,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:15:33,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:15:33,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:15:33,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:15:33,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:15:33,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:15:33,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:15:33,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:33" (1/1) ... [2024-11-13 22:15:33,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:15:33,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:15:33,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:15:33,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:15:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:15:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:15:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:15:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:15:34,468 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:15:34,470 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:15:41,395 INFO L? ?]: Removed 1544 outVars from TransFormulas that were not future-live. [2024-11-13 22:15:41,396 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:15:41,492 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:15:41,493 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:15:41,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:15:41 BoogieIcfgContainer [2024-11-13 22:15:41,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:15:41,494 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:15:41,494 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:15:41,507 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:15:41,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:15:41" (1/1) ... [2024-11-13 22:15:41,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:15:41,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:41,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:15:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:15:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:15:41,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:41,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:41,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:41,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:41,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:15:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:43,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:44,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 1617 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:15:44,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:44,799 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 22:15:44,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:15:47,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:15:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:47,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:15:47,289 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:15:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:15:47,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:47,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:47,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:47,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:47,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:15:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:58,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:16:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:00,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 3148 conjuncts, 161 conjuncts are in the unsatisfiable core [2024-11-13 22:16:00,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:03,935 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 22:16:03,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:16:07,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:16:09,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:09,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 22:16:09,316 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 22:16:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:16:09,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:09,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:16:09,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:16:09,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:16:09,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f31981-d976-4a00-98f1-02a8a11a4195/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:16:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:31,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:16:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:38,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 4679 conjuncts, 203 conjuncts are in the unsatisfiable core [2024-11-13 22:16:38,351 INFO L278 TraceCheckSpWp]: Computing forward predicates...