./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 50ce4e2352bf674367e5911d0fc6db0c367135527c7aa5f9e74ce562295d9389 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:39:59,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:39:59,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:39:59,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:39:59,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:39:59,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:39:59,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:39:59,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:39:59,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:39:59,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:39:59,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:39:59,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:39:59,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:39:59,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:39:59,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:39:59,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:39:59,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:39:59,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:39:59,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:39:59,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:39:59,325 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:39:59,325 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:39:59,325 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:39:59,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:39:59,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:39:59,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:39:59,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:39:59,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:39:59,326 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:39:59,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:39:59,326 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_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ce4e2352bf674367e5911d0fc6db0c367135527c7aa5f9e74ce562295d9389 [2024-11-13 22:39:59,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:39:59,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:39:59,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:39:59,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:39:59,660 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:39:59,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 22:40:01,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:40:02,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:40:02,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c [2024-11-13 22:40:02,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/data/99e639b7f/95b895d1666145f093f3ee65d2792588/FLAG5674bd784 [2024-11-13 22:40:02,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/data/99e639b7f/95b895d1666145f093f3ee65d2792588 [2024-11-13 22:40:02,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:40:02,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:40:02,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:02,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:40:02,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:40:02,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:02" (1/1) ... [2024-11-13 22:40:02,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ef55ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:02, skipping insertion in model container [2024-11-13 22:40:02,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:02" (1/1) ... [2024-11-13 22:40:02,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:40:02,623 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_d0a94e92-7199-4111-af35-cde1f092f436/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c[1177,1190] [2024-11-13 22:40:03,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:03,082 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:40:03,093 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_d0a94e92-7199-4111-af35-cde1f092f436/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c[1177,1190] [2024-11-13 22:40:03,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:03,428 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:40:03,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03 WrapperNode [2024-11-13 22:40:03,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:03,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:03,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:40:03,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:40:03,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:03,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:04,458 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6036 [2024-11-13 22:40:04,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:04,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:40:04,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:40:04,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:40:04,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:04,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:04,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:04,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:05,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:05,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:05,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:05,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:05,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:40:05,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:40:05,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:40:05,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:40:05,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:03" (1/1) ... [2024-11-13 22:40:05,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:40:05,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:40:05,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:40:05,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:40:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:40:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:40:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:40:05,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:40:06,197 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:40:06,200 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:40:14,438 INFO L? ?]: Removed 3385 outVars from TransFormulas that were not future-live. [2024-11-13 22:40:14,438 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:40:24,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:40:24,533 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:40:24,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:40:24 BoogieIcfgContainer [2024-11-13 22:40:24,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:40:24,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:40:24,534 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:40:24,544 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:40:24,544 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:40:24" (1/1) ... [2024-11-13 22:40:24,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:40:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:40:24,606 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:40:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:40:24,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:24,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:40:38,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:40:48,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:40:48,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:40:48,468 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:40:48,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:40:48,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:48,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:41:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:41:56,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:42:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:42:57,216 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:42:57,220 INFO L158 Benchmark]: Toolchain (without parser) took 174920.61ms. Allocated memory was 117.4MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 90.3MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-13 22:42:57,220 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:57,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1129.04ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 56.4MB in the end (delta: 33.6MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2024-11-13 22:42:57,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 1028.67ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 56.4MB in the beginning and 112.5MB in the end (delta: -56.1MB). Peak memory consumption was 138.8MB. Max. memory is 16.1GB. [2024-11-13 22:42:57,222 INFO L158 Benchmark]: Boogie Preprocessor took 1022.68ms. Allocated memory was 251.7MB in the beginning and 536.9MB in the end (delta: 285.2MB). Free memory was 112.5MB in the beginning and 363.0MB in the end (delta: -250.5MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-13 22:42:57,223 INFO L158 Benchmark]: RCFGBuilder took 19049.59ms. Allocated memory was 536.9MB in the beginning and 729.8MB in the end (delta: 192.9MB). Free memory was 363.0MB in the beginning and 139.3MB in the end (delta: 223.7MB). Peak memory consumption was 558.2MB. Max. memory is 16.1GB. [2024-11-13 22:42:57,224 INFO L158 Benchmark]: CodeCheck took 152684.37ms. Allocated memory was 729.8MB in the beginning and 3.2GB in the end (delta: 2.5GB). Free memory was 139.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 879.5MB. Max. memory is 16.1GB. [2024-11-13 22:42:57,227 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 0.77ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1129.04ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 56.4MB in the end (delta: 33.6MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1028.67ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 56.4MB in the beginning and 112.5MB in the end (delta: -56.1MB). Peak memory consumption was 138.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1022.68ms. Allocated memory was 251.7MB in the beginning and 536.9MB in the end (delta: 285.2MB). Free memory was 112.5MB in the beginning and 363.0MB in the end (delta: -250.5MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * RCFGBuilder took 19049.59ms. Allocated memory was 536.9MB in the beginning and 729.8MB in the end (delta: 192.9MB). Free memory was 363.0MB in the beginning and 139.3MB in the end (delta: 223.7MB). Peak memory consumption was 558.2MB. Max. memory is 16.1GB. * CodeCheck took 152684.37ms. Allocated memory was 729.8MB in the beginning and 3.2GB in the end (delta: 2.5GB). Free memory was 139.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 879.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:42:57,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/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_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 50ce4e2352bf674367e5911d0fc6db0c367135527c7aa5f9e74ce562295d9389 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:43:00,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:43:00,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:43:00,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:43:00,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:43:00,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:43:00,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:43:00,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:43:00,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:43:00,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:43:00,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:43:00,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:43:00,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:43:00,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:43:00,335 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:43:00,335 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:43:00,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:43:00,339 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:43:00,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:43:00,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:43:00,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:43:00,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:43:00,350 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:43:00,350 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:43:00,351 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:43:00,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:43:00,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:43:00,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:43:00,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:43:00,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:43:00,351 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:43:00,352 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:43:00,352 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:43:00,352 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_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ce4e2352bf674367e5911d0fc6db0c367135527c7aa5f9e74ce562295d9389 [2024-11-13 22:43:00,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:43:00,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:43:00,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:43:00,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:43:00,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:43:00,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 22:43:02,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:43:03,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:43:03,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c [2024-11-13 22:43:03,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/data/c7bfbe711/b1c9dc1c1fa747d8aa7d70d33b513ac5/FLAG4756487ee [2024-11-13 22:43:03,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/data/c7bfbe711/b1c9dc1c1fa747d8aa7d70d33b513ac5 [2024-11-13 22:43:03,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:43:03,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:43:03,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:43:03,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:43:03,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:43:03,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:43:03" (1/1) ... [2024-11-13 22:43:03,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547d4199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:03, skipping insertion in model container [2024-11-13 22:43:03,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:43:03" (1/1) ... [2024-11-13 22:43:03,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:43:03,611 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_d0a94e92-7199-4111-af35-cde1f092f436/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c[1177,1190] [2024-11-13 22:43:04,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:43:04,026 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:43:04,038 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_d0a94e92-7199-4111-af35-cde1f092f436/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-func-interl.c[1177,1190] [2024-11-13 22:43:04,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:43:04,290 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:43:04,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04 WrapperNode [2024-11-13 22:43:04,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:43:04,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:43:04,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:43:04,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:43:04,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,438 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1852 [2024-11-13 22:43:04,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:43:04,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:43:04,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:43:04,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:43:04,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:43:04,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:43:04,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:43:04,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:43:04,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:04" (1/1) ... [2024-11-13 22:43:04,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:43:04,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:43:04,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:43:04,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:43:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:43:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:43:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:43:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:43:05,202 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:43:05,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:43:07,517 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-13 22:43:07,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:43:07,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:43:07,632 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:43:07,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:07 BoogieIcfgContainer [2024-11-13 22:43:07,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:43:07,634 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:43:07,635 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:43:07,647 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:43:07,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:07" (1/1) ... [2024-11-13 22:43:07,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:43:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:07,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:43:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:43:07,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:43:07,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:07,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:43:07,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:43:07,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:43:07,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:43:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:08,514 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:43:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:08,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:43:08,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:43:08,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:08,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:43:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:43:09,110 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:43:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:43:09,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:09,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:43:09,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:43:09,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:43:09,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a94e92-7199-4111-af35-cde1f092f436/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:43:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:10,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:43:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:10,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:43:10,629 INFO L278 TraceCheckSpWp]: Computing forward predicates...