./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3 --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 dcf39230c24eb915e747e88202e73a35b6e85db9fcbfa83adc9e68e89fc807d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:08:21,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:08:21,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:08:21,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:08:21,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:08:21,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:08:21,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:08:21,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:08:21,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:08:21,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:08:21,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:08:21,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:08:21,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:08:21,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:08:21,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:08:21,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:08:21,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:08:21,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:08:21,399 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:08:21,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:08:21,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:08:21,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:08:21,400 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:08:21,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:08:21,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:08:21,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:08:21,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:08:21,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:08:21,400 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:08:21,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:08:21,401 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_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3 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 -> dcf39230c24eb915e747e88202e73a35b6e85db9fcbfa83adc9e68e89fc807d5 [2024-11-25 04:08:21,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:08:21,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:08:21,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:08:21,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:08:21,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:08:21,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c [2024-11-25 04:08:24,820 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/data/472ce5410/d461994b55f54a50b2d8a34dcef54831/FLAGe12c1c944 [2024-11-25 04:08:25,135 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:08:25,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c [2024-11-25 04:08:25,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/data/472ce5410/d461994b55f54a50b2d8a34dcef54831/FLAGe12c1c944 [2024-11-25 04:08:25,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/data/472ce5410/d461994b55f54a50b2d8a34dcef54831 [2024-11-25 04:08:25,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:08:25,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:08:25,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:08:25,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:08:25,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:08:25,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:25,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e32853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25, skipping insertion in model container [2024-11-25 04:08:25,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:25,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:08:25,367 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_5026a851-8007-44eb-84e9-d6e813dfd6fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c[1279,1292] [2024-11-25 04:08:25,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:08:25,562 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:08:25,572 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_5026a851-8007-44eb-84e9-d6e813dfd6fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c[1279,1292] [2024-11-25 04:08:25,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:08:25,728 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:08:25,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25 WrapperNode [2024-11-25 04:08:25,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:08:25,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:08:25,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:08:25,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:08:25,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:25,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,015 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1382 [2024-11-25 04:08:26,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:08:26,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:08:26,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:08:26,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:08:26,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,168 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:08:26,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:08:26,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:08:26,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:08:26,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:25" (1/1) ... [2024-11-25 04:08:26,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:08:26,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:08:26,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:08:26,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:08:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:08:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:08:26,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:08:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:08:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:08:26,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:08:26,598 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:08:26,600 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:08:28,820 INFO L? ?]: Removed 754 outVars from TransFormulas that were not future-live. [2024-11-25 04:08:28,820 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:08:30,961 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:08:30,961 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:08:30,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:08:30 BoogieIcfgContainer [2024-11-25 04:08:30,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:08:30,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:08:30,965 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:08:30,976 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:08:30,977 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:08:30" (1/1) ... [2024-11-25 04:08:30,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:08:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 04:08:31,054 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 04:08:31,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 04:08:31,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:31,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:08:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:08:35,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:35,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-25 04:08:35,622 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-25 04:08:35,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:08:35,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:35,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:08:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:08:39,199 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:08:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:08:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:08:52,352 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) [2024-11-25 04:08:52,361 INFO L158 Benchmark]: Toolchain (without parser) took 27195.34ms. Allocated memory was 117.4MB in the beginning and 637.5MB in the end (delta: 520.1MB). Free memory was 91.8MB in the beginning and 464.6MB in the end (delta: -372.8MB). Peak memory consumption was 152.2MB. Max. memory is 16.1GB. [2024-11-25 04:08:52,361 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:08:52,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.21ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 62.9MB in the end (delta: 28.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:08:52,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 285.82ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 74.6MB in the end (delta: -11.7MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2024-11-25 04:08:52,362 INFO L158 Benchmark]: Boogie Preprocessor took 230.77ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 67.8MB in the end (delta: 6.8MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-25 04:08:52,363 INFO L158 Benchmark]: RCFGBuilder took 4712.17ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 67.8MB in the beginning and 202.5MB in the end (delta: -134.7MB). Peak memory consumption was 159.0MB. Max. memory is 16.1GB. [2024-11-25 04:08:52,365 INFO L158 Benchmark]: CodeCheck took 21395.70ms. Allocated memory was 335.5MB in the beginning and 637.5MB in the end (delta: 302.0MB). Free memory was 201.0MB in the beginning and 464.6MB in the end (delta: -263.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-25 04:08:52,368 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 0.40ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.21ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 62.9MB in the end (delta: 28.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 285.82ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 74.6MB in the end (delta: -11.7MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 230.77ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 67.8MB in the end (delta: 6.8MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4712.17ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 67.8MB in the beginning and 202.5MB in the end (delta: -134.7MB). Peak memory consumption was 159.0MB. Max. memory is 16.1GB. * CodeCheck took 21395.70ms. Allocated memory was 335.5MB in the beginning and 637.5MB in the end (delta: 302.0MB). Free memory was 201.0MB in the beginning and 464.6MB in the end (delta: -263.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:08:52,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3 --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 dcf39230c24eb915e747e88202e73a35b6e85db9fcbfa83adc9e68e89fc807d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:08:55,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:08:55,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:08:55,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:08:55,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:08:55,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:08:55,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:08:55,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:08:55,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:08:55,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:08:55,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:08:55,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:08:55,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:08:55,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:08:55,210 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:08:55,210 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:08:55,212 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:08:55,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:08:55,212 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:08:55,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:08:55,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:08:55,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:08:55,213 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:08:55,213 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:55,213 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:08:55,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:08:55,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:08:55,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:08:55,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:08:55,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:08:55,213 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:08:55,213 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:55,214 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:08:55,214 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_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3 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 -> dcf39230c24eb915e747e88202e73a35b6e85db9fcbfa83adc9e68e89fc807d5 [2024-11-25 04:08:55,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:08:55,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:08:55,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:08:55,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:08:55,553 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:08:55,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c [2024-11-25 04:08:58,717 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/data/243c729b5/9d4a2544db3b446d9e630a8e4cba02dc/FLAGc5620ca32 [2024-11-25 04:08:59,004 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:08:59,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c [2024-11-25 04:08:59,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/data/243c729b5/9d4a2544db3b446d9e630a8e4cba02dc/FLAGc5620ca32 [2024-11-25 04:08:59,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/data/243c729b5/9d4a2544db3b446d9e630a8e4cba02dc [2024-11-25 04:08:59,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:08:59,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:08:59,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:08:59,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:08:59,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:08:59,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c87ee3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59, skipping insertion in model container [2024-11-25 04:08:59,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:08:59,239 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_5026a851-8007-44eb-84e9-d6e813dfd6fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c[1279,1292] [2024-11-25 04:08:59,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:08:59,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:08:59,433 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_5026a851-8007-44eb-84e9-d6e813dfd6fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d8_e0.c[1279,1292] [2024-11-25 04:08:59,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:08:59,596 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:08:59,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59 WrapperNode [2024-11-25 04:08:59,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:08:59,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:08:59,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:08:59,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:08:59,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,682 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 638 [2024-11-25 04:08:59,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:08:59,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:08:59,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:08:59,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:08:59,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,729 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:08:59,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:08:59,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:08:59,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:08:59,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:08:59" (1/1) ... [2024-11-25 04:08:59,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:08:59,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:08:59,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:08:59,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:08:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:08:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:08:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:08:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:08:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:08:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:09:00,161 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:09:00,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:09:00,959 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-11-25 04:09:00,959 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:09:01,029 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:09:01,030 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:09:01,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:01 BoogieIcfgContainer [2024-11-25 04:09:01,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:09:01,031 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:09:01,031 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:09:01,051 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:09:01,051 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:01" (1/1) ... [2024-11-25 04:09:01,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:09:01,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:01,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 04:09:01,121 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 04:09:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 04:09:01,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:01,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:01,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:01,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:09:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:01,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:01,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:09:01,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:02,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:09:02,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:09:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-25 04:09:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-25 04:09:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:09:02,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:02,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:02,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:02,664 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:02,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:09:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:03,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:03,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-25 04:09:03,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 04:09:04,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:09:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:06,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2024-11-25 04:09:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-25 04:09:06,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 04:09:06,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:06,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:06,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:06,671 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:06,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:09:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:07,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:08,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-25 04:09:08,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-25 04:09:12,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:09:20,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:20,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 102 transitions. [2024-11-25 04:09:20,588 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-11-25 04:09:20,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-25 04:09:20,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:20,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:20,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:20,594 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:20,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:09:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:22,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:23,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 211 conjuncts are in the unsatisfiable core [2024-11-25 04:09:23,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:12:29,615 WARN L286 SmtUtils]: Spent 2.66m on a formula simplification. DAG size of input: 319 DAG size of output: 251 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:12:53,601 WARN L286 SmtUtils]: Spent 22.13s on a formula simplification that was a NOOP. DAG size: 261 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:13:26,703 WARN L286 SmtUtils]: Spent 31.30s on a formula simplification that was a NOOP. DAG size: 254 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:13:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 15 proven. 71 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-25 04:13:33,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5026a851-8007-44eb-84e9-d6e813dfd6fc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:14:13,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:14:50,234 WARN L286 SmtUtils]: Spent 31.66s on a formula simplification. DAG size of input: 318 DAG size of output: 285 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:16:19,095 WARN L286 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 286 DAG size of output: 279 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:17:34,320 WARN L286 SmtUtils]: Spent 33.83s on a formula simplification that was a NOOP. DAG size: 288 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:17:44,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:18:16,668 WARN L286 SmtUtils]: Spent 11.29s on a formula simplification. DAG size of input: 339 DAG size of output: 288 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:19:00,627 WARN L286 SmtUtils]: Spent 41.81s on a formula simplification that was a NOOP. DAG size: 262 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:20:25,069 WARN L286 SmtUtils]: Spent 1.23m on a formula simplification. DAG size of input: 341 DAG size of output: 308 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:21:44,610 WARN L286 SmtUtils]: Spent 43.51s on a formula simplification that was a NOOP. DAG size: 309 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:21:54,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:23:22,238 WARN L286 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 321 DAG size of output: 281 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)