./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/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 4bfade33d4de709e97835beb78d2e683cfe9c604c744b3fd2faff7e2a5309be2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:31,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:31,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:47:31,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:47:31,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:47:31,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:31,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:31,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:31,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:31,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:31,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:31,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:31,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:47:31,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:31,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:31,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:31,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:31,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:31,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:31,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:31,436 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:31,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:31,437 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:31,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:31,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:31,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:31,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:31,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:31,437 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:47:31,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:47:31,438 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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/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 -> 4bfade33d4de709e97835beb78d2e683cfe9c604c744b3fd2faff7e2a5309be2 [2024-11-13 22:47:31,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:31,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:31,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:31,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:31,731 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:31,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:47:33,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:47:34,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:47:34,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c [2024-11-13 22:47:34,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/data/beb6f83cb/b40836d0ffad46bd9c8fe9db89233505/FLAG69291b484 [2024-11-13 22:47:34,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/data/beb6f83cb/b40836d0ffad46bd9c8fe9db89233505 [2024-11-13 22:47:34,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:47:34,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:47:34,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:34,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:47:34,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:47:34,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:34" (1/1) ... [2024-11-13 22:47:34,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260eff15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:34, skipping insertion in model container [2024-11-13 22:47:34,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:34" (1/1) ... [2024-11-13 22:47:34,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:47:34,354 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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1173,1186] [2024-11-13 22:47:34,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:34,869 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:47:34,878 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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1173,1186] [2024-11-13 22:47:35,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:35,207 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:47:35,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35 WrapperNode [2024-11-13 22:47:35,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:35,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:35,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:47:35,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:47:35,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:35,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:36,107 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6293 [2024-11-13 22:47:36,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:36,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:47:36,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:47:36,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:47:36,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:36,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:36,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:36,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:36,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:36,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:36,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:36,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:37,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:47:37,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:47:37,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:47:37,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:47:37,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:35" (1/1) ... [2024-11-13 22:47:37,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:37,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:47:37,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:47:37,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:47:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:47:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:47:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:47:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:47:37,836 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:47:37,838 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:47:46,818 INFO L? ?]: Removed 3537 outVars from TransFormulas that were not future-live. [2024-11-13 22:47:46,818 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:47:57,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:47:57,631 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:47:57,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:57 BoogieIcfgContainer [2024-11-13 22:47:57,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:47:57,633 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:47:57,633 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:47:57,643 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:47:57,643 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:57" (1/1) ... [2024-11-13 22:47:57,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:47:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:47:57,707 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:47:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:47:57,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:57,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:04,174 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 22:48:14,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:24,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:27,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:37,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:39,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:49,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:48:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:48:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:48:50,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:50,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:50:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:50:24,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:52:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:52:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:52:23,488 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 22:52:23,495 INFO L158 Benchmark]: Toolchain (without parser) took 289442.52ms. Allocated memory was 117.4MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 89.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-11-13 22:52:23,495 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:52:23,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1155.32ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 53.6MB in the end (delta: 36.0MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2024-11-13 22:52:23,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 897.92ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 53.5MB in the beginning and 119.4MB in the end (delta: -65.9MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. [2024-11-13 22:52:23,501 INFO L158 Benchmark]: Boogie Preprocessor took 1081.82ms. Allocated memory was 251.7MB in the beginning and 503.3MB in the end (delta: 251.7MB). Free memory was 119.4MB in the beginning and 336.2MB in the end (delta: -216.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2024-11-13 22:52:23,502 INFO L158 Benchmark]: RCFGBuilder took 20439.31ms. Allocated memory was 503.3MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 336.1MB in the beginning and 853.7MB in the end (delta: -517.6MB). Peak memory consumption was 546.1MB. Max. memory is 16.1GB. [2024-11-13 22:52:23,502 INFO L158 Benchmark]: CodeCheck took 265861.30ms. Allocated memory was 1.5GB in the beginning and 3.1GB in the end (delta: 1.5GB). Free memory was 853.7MB in the beginning and 1.3GB in the end (delta: -427.4MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 22:52:23,507 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 0.99ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1155.32ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 53.6MB in the end (delta: 36.0MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 897.92ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 53.5MB in the beginning and 119.4MB in the end (delta: -65.9MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1081.82ms. Allocated memory was 251.7MB in the beginning and 503.3MB in the end (delta: 251.7MB). Free memory was 119.4MB in the beginning and 336.2MB in the end (delta: -216.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * RCFGBuilder took 20439.31ms. Allocated memory was 503.3MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 336.1MB in the beginning and 853.7MB in the end (delta: -517.6MB). Peak memory consumption was 546.1MB. Max. memory is 16.1GB. * CodeCheck took 265861.30ms. Allocated memory was 1.5GB in the beginning and 3.1GB in the end (delta: 1.5GB). Free memory was 853.7MB in the beginning and 1.3GB in the end (delta: -427.4MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:52:23,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/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 4bfade33d4de709e97835beb78d2e683cfe9c604c744b3fd2faff7e2a5309be2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:52:26,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:52:26,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:52:26,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:52:26,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:52:26,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:52:26,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:52:26,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:52:26,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:52:26,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:52:26,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:52:26,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:52:26,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:52:26,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:52:26,454 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:52:26,454 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:52:26,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:52:26,454 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:52:26,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:52:26,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:52:26,455 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:52:26,455 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:52:26,455 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:52:26,455 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:52:26,456 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:52:26,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:52:26,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:52:26,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:52:26,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:52:26,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:52:26,456 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:52:26,457 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:52:26,457 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:52:26,457 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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/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 -> 4bfade33d4de709e97835beb78d2e683cfe9c604c744b3fd2faff7e2a5309be2 [2024-11-13 22:52:26,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:52:26,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:52:26,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:52:26,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:52:26,825 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:52:26,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:52:28,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:52:29,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:52:29,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c [2024-11-13 22:52:29,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/data/22293f9d1/7bbd342e555f4ba08a2eb0a2a6b9d89f/FLAG1e82b6668 [2024-11-13 22:52:29,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/data/22293f9d1/7bbd342e555f4ba08a2eb0a2a6b9d89f [2024-11-13 22:52:29,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:52:29,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:52:29,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:52:29,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:52:29,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:52:29,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:52:29" (1/1) ... [2024-11-13 22:52:29,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a11002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:29, skipping insertion in model container [2024-11-13 22:52:29,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:52:29" (1/1) ... [2024-11-13 22:52:29,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:52:29,740 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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1173,1186] [2024-11-13 22:52:30,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:52:30,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:52:30,241 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_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1173,1186] [2024-11-13 22:52:30,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:52:30,492 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:52:30,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30 WrapperNode [2024-11-13 22:52:30,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:52:30,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:52:30,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:52:30,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:52:30,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,673 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2181 [2024-11-13 22:52:30,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:52:30,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:52:30,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:52:30,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:52:30,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:52:30,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:52:30,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:52:30,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:52:30,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:52:30" (1/1) ... [2024-11-13 22:52:30,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:52:30,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:52:30,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:52:30,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:52:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:52:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:52:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:52:30,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:52:31,428 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:52:31,430 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:52:34,784 INFO L? ?]: Removed 232 outVars from TransFormulas that were not future-live. [2024-11-13 22:52:34,784 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:52:34,884 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:52:34,884 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:52:34,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:52:34 BoogieIcfgContainer [2024-11-13 22:52:34,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:52:34,886 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:52:34,886 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:52:34,900 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:52:34,900 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:52:34" (1/1) ... [2024-11-13 22:52:34,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:52:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:52:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:52:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:52:34,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:34,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:52:34,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:52:34,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:52:35,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:52:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:35,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:52:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:36,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:52:36,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:52:36,330 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 22:52:36,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:52:36,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:52:36,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:52:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:52:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:52:36,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:52:36,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:52:36,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:52:36,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:52:36,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1ed9db-3a84-4fec-8352-33e9cc1cfcb0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:52:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:38,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:52:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:52:38,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:52:38,758 INFO L278 TraceCheckSpWp]: Computing forward predicates...