./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.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_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b --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 12e7b4c973f07d09cc6a521a7dd72e2a9b56a67bf5ece5e07d04433ebd4ea361 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:14:32,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:14:32,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:14:32,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:14:32,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:14:32,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:14:32,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:14:32,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:14:32,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:14:32,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:14:32,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:14:32,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:14:32,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:14:32,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:14:32,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:14:32,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:14:32,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:14:32,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:14:32,081 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:14:32,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:14:32,081 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:14:32,081 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:14:32,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:14:32,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:14:32,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:14:32,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:14:32,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:14:32,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:14:32,082 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:14:32,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:14:32,082 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_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b 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 -> 12e7b4c973f07d09cc6a521a7dd72e2a9b56a67bf5ece5e07d04433ebd4ea361 [2024-12-06 01:14:32,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:14:32,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:14:32,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:14:32,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:14:32,317 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:14:32,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c [2024-12-06 01:14:34,936 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/data/3fd527f8c/71794219e8534ef59792abbea46352c3/FLAGf1354a162 [2024-12-06 01:14:35,235 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:14:35,236 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c [2024-12-06 01:14:35,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/data/3fd527f8c/71794219e8534ef59792abbea46352c3/FLAGf1354a162 [2024-12-06 01:14:35,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/data/3fd527f8c/71794219e8534ef59792abbea46352c3 [2024-12-06 01:14:35,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:14:35,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:14:35,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:14:35,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:14:35,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:14:35,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:14:35" (1/1) ... [2024-12-06 01:14:35,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d53927c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:35, skipping insertion in model container [2024-12-06 01:14:35,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:14:35" (1/1) ... [2024-12-06 01:14:35,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:14:35,459 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c[1176,1189] [2024-12-06 01:14:35,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:14:35,875 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:14:35,885 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_7d388006-eb35-40ef-bbe0-e30b71d811b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c[1176,1189] [2024-12-06 01:14:36,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:14:36,164 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:14:36,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36 WrapperNode [2024-12-06 01:14:36,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:14:36,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:14:36,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:14:36,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:14:36,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:36,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:37,188 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12409 [2024-12-06 01:14:37,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:14:37,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:14:37,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:14:37,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:14:37,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:37,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:37,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:37,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:37,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:37,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:37,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:37,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:37,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:38,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:14:38,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:14:38,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:14:38,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:14:38,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:14:36" (1/1) ... [2024-12-06 01:14:38,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:14:38,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:14:38,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:14:38,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:14:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:14:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:14:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:14:38,817 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:14:38,819 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:14:53,271 INFO L? ?]: Removed 6570 outVars from TransFormulas that were not future-live. [2024-12-06 01:14:53,271 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:15:12,619 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:15:12,619 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:15:12,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:15:12 BoogieIcfgContainer [2024-12-06 01:15:12,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:15:12,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:15:12,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:15:12,628 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:15:12,628 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:15:12" (1/1) ... [2024-12-06 01:15:12,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:15:12,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:15:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:15:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:15:12,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:12,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:15:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:14,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:15:24,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:15:34,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:15:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:15:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:15:34,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:15:34,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:34,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:19:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:19:01,616 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) [2024-12-06 01:19:01,619 INFO L158 Benchmark]: Toolchain (without parser) took 266354.48ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 87.8MB in the beginning and 994.1MB in the end (delta: -906.2MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 01:19:01,620 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:01,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 899.76ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 87.8MB in the beginning and 102.4MB in the end (delta: -14.5MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2024-12-06 01:19:01,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 1022.80ms. Allocated memory was 218.1MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 102.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 255.5MB. Max. memory is 16.1GB. [2024-12-06 01:19:01,621 INFO L158 Benchmark]: Boogie Preprocessor took 837.24ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 63.5MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. [2024-12-06 01:19:01,621 INFO L158 Benchmark]: RCFGBuilder took 34592.31ms. Allocated memory was 1.5GB in the beginning and 3.2GB in the end (delta: 1.6GB). Free memory was 1.2GB in the beginning and 966.7MB in the end (delta: 223.1MB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-06 01:19:01,622 INFO L158 Benchmark]: CodeCheck took 228997.72ms. Allocated memory was 3.2GB in the beginning and 2.3GB in the end (delta: -855.6MB). Free memory was 966.7MB in the beginning and 994.1MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:01,625 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 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 899.76ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 87.8MB in the beginning and 102.4MB in the end (delta: -14.5MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1022.80ms. Allocated memory was 218.1MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 102.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 255.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 837.24ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 63.5MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. * RCFGBuilder took 34592.31ms. Allocated memory was 1.5GB in the beginning and 3.2GB in the end (delta: 1.6GB). Free memory was 1.2GB in the beginning and 966.7MB in the end (delta: 223.1MB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * CodeCheck took 228997.72ms. Allocated memory was 3.2GB in the beginning and 2.3GB in the end (delta: -855.6MB). Free memory was 966.7MB in the beginning and 994.1MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:19:01,834 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 01:19:01,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b --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 12e7b4c973f07d09cc6a521a7dd72e2a9b56a67bf5ece5e07d04433ebd4ea361 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:19:03,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:19:03,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:19:03,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:19:03,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:19:03,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:19:03,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:19:03,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:19:03,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:19:03,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:19:03,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:19:03,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:19:03,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:19:03,732 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:03,733 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:19:03,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:19:03,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:19:03,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:19:03,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:19:03,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:19:03,733 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:19:03,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:03,733 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:19:03,733 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_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b 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 -> 12e7b4c973f07d09cc6a521a7dd72e2a9b56a67bf5ece5e07d04433ebd4ea361 [2024-12-06 01:19:03,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:19:03,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:19:03,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:19:03,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:19:03,975 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:19:03,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c [2024-12-06 01:19:06,633 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/data/d13c28a33/34dce676de4b441983e59051d710ea0b/FLAGc041b1883 [2024-12-06 01:19:06,915 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:19:06,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c [2024-12-06 01:19:06,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/data/d13c28a33/34dce676de4b441983e59051d710ea0b/FLAGc041b1883 [2024-12-06 01:19:06,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/data/d13c28a33/34dce676de4b441983e59051d710ea0b [2024-12-06 01:19:06,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:19:06,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:19:06,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:19:06,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:19:06,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:19:06,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:19:06" (1/1) ... [2024-12-06 01:19:06,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8316ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:06, skipping insertion in model container [2024-12-06 01:19:06,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:19:06" (1/1) ... [2024-12-06 01:19:07,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:19:07,187 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_7d388006-eb35-40ef-bbe0-e30b71d811b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c[1176,1189] [2024-12-06 01:19:07,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:19:07,498 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:19:07,507 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_7d388006-eb35-40ef-bbe0-e30b71d811b1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-func-interl.c[1176,1189] [2024-12-06 01:19:07,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:19:07,701 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:19:07,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07 WrapperNode [2024-12-06 01:19:07,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:19:07,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:19:07,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:19:07,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:19:07,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,849 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3217 [2024-12-06 01:19:07,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:19:07,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:19:07,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:19:07,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:19:07,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,930 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:19:07,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:19:07,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:19:07,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:19:07,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:19:07" (1/1) ... [2024-12-06 01:19:07,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:19:07,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:19:08,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:19:08,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:19:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:19:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:19:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:19:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:19:08,529 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:19:08,531 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:19:15,811 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-12-06 01:19:15,812 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:19:15,908 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:19:15,908 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:19:15,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:15 BoogieIcfgContainer [2024-12-06 01:19:15,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:19:15,910 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:19:15,910 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:19:15,918 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:19:15,918 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:19:15" (1/1) ... [2024-12-06 01:19:15,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:19:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:15,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:19:15,968 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:19:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:19:15,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:15,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:15,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:15,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:15,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:19:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:16,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:17,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:19:17,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:19:17,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:19:19,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:19:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:19:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:19:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:19:19,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:19,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:19,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:19,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:19,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d388006-eb35-40ef-bbe0-e30b71d811b1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:19:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:21,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:22,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:19:22,533 INFO L279 TraceCheckSpWp]: Computing forward predicates...