./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/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 e0aab5217983b0578244acd134650b5464c89a895d9c6861efcf149980b91444 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:57:25,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:57:25,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:57:25,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:57:25,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:57:25,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:57:25,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:57:25,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:57:25,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:57:25,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:57:25,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:57:25,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:57:25,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:57:25,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:57:25,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:57:25,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:57:25,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:57:25,185 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:57:25,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:57:25,185 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:57:25,185 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:57:25,185 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:57:25,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:57:25,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:57:25,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:25,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:57:25,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:57:25,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:57:25,187 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:57:25,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:57:25,187 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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/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 -> e0aab5217983b0578244acd134650b5464c89a895d9c6861efcf149980b91444 [2024-11-13 22:57:25,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:57:25,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:57:25,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:57:25,497 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:57:25,498 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:57:25,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:57:27,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:57:27,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:57:27,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-back-serstep.c [2024-11-13 22:57:27,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/data/6e74ca9f3/ab75e10234aa485680363dd3e509f647/FLAGd61b00349 [2024-11-13 22:57:27,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/data/6e74ca9f3/ab75e10234aa485680363dd3e509f647 [2024-11-13 22:57:27,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:57:27,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:57:27,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:27,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:57:27,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:57:27,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:27" (1/1) ... [2024-11-13 22:57:27,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9047c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:27, skipping insertion in model container [2024-11-13 22:57:27,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:27" (1/1) ... [2024-11-13 22:57:27,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:57:28,012 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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-back-serstep.c[1176,1189] [2024-11-13 22:57:28,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:28,420 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:57:28,430 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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-back-serstep.c[1176,1189] [2024-11-13 22:57:28,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:28,681 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:57:28,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28 WrapperNode [2024-11-13 22:57:28,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:28,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:28,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:57:28,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:57:28,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:28,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:29,529 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5669 [2024-11-13 22:57:29,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:29,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:57:29,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:57:29,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:57:29,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:29,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:29,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:29,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:29,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:30,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:30,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:30,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:30,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:57:30,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:57:30,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:57:30,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:57:30,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:28" (1/1) ... [2024-11-13 22:57:30,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:30,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:57:30,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:57:30,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:57:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:57:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:57:30,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:57:30,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:57:30,981 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:57:30,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:57:39,142 INFO L? ?]: Removed 3093 outVars from TransFormulas that were not future-live. [2024-11-13 22:57:39,143 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:57:49,294 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:57:49,295 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:57:49,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:49 BoogieIcfgContainer [2024-11-13 22:57:49,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:57:49,296 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:57:49,296 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:57:49,307 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:57:49,308 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:49" (1/1) ... [2024-11-13 22:57:49,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:57:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:57:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:57:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:57:49,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:49,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:54,323 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 22:58:04,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:58:14,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:58:17,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:58:19,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:58:29,739 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 22:58:29,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:58:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:58:29,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:58:29,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:29,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:50,766 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:01:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:01:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:01:29,265 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 23:01:29,271 INFO L158 Benchmark]: Toolchain (without parser) took 241533.30ms. Allocated memory was 142.6MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 116.7MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 23:01:29,271 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:29,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 943.67ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 94.3MB in the end (delta: 22.4MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2024-11-13 23:01:29,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 846.55ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 94.3MB in the beginning and 228.5MB in the end (delta: -134.2MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2024-11-13 23:01:29,273 INFO L158 Benchmark]: Boogie Preprocessor took 848.14ms. Allocated memory is still 369.1MB. Free memory was 228.5MB in the beginning and 211.2MB in the end (delta: 17.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2024-11-13 23:01:29,273 INFO L158 Benchmark]: RCFGBuilder took 18915.87ms. Allocated memory was 369.1MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 211.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 639.3MB. Max. memory is 16.1GB. [2024-11-13 23:01:29,274 INFO L158 Benchmark]: CodeCheck took 219973.44ms. Allocated memory was 1.8GB in the beginning and 3.1GB in the end (delta: 1.3GB). Free memory was 1.4GB in the beginning and 2.0GB in the end (delta: -606.1MB). Peak memory consumption was 710.4MB. Max. memory is 16.1GB. [2024-11-13 23:01:29,277 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 943.67ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 94.3MB in the end (delta: 22.4MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 846.55ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 94.3MB in the beginning and 228.5MB in the end (delta: -134.2MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 848.14ms. Allocated memory is still 369.1MB. Free memory was 228.5MB in the beginning and 211.2MB in the end (delta: 17.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * RCFGBuilder took 18915.87ms. Allocated memory was 369.1MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 211.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 639.3MB. Max. memory is 16.1GB. * CodeCheck took 219973.44ms. Allocated memory was 1.8GB in the beginning and 3.1GB in the end (delta: 1.3GB). Free memory was 1.4GB in the beginning and 2.0GB in the end (delta: -606.1MB). Peak memory consumption was 710.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:01:29,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/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 e0aab5217983b0578244acd134650b5464c89a895d9c6861efcf149980b91444 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:01:32,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:01:32,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 23:01:32,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:01:32,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:01:32,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:01:32,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:01:32,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:01:32,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:01:32,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:01:32,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:01:32,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:01:32,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:01:32,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:01:32,634 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:01:32,634 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:01:32,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:01:32,634 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:01:32,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:01:32,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:01:32,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:01:32,635 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:01:32,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:01:32,635 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:32,635 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:01:32,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:01:32,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:32,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:01:32,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:01:32,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:01:32,636 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:01:32,636 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:32,637 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:01:32,637 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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/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 -> e0aab5217983b0578244acd134650b5464c89a895d9c6861efcf149980b91444 [2024-11-13 23:01:32,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:01:33,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:01:33,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:01:33,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:01:33,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:01:33,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 23:01:35,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:01:35,622 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:01:35,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-back-serstep.c [2024-11-13 23:01:35,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/data/4cb1c0e1b/f2f61152152641a197bb244a4ba91226/FLAGc03c10789 [2024-11-13 23:01:35,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/data/4cb1c0e1b/f2f61152152641a197bb244a4ba91226 [2024-11-13 23:01:35,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:01:35,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:01:35,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:35,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:01:35,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:01:35,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:35" (1/1) ... [2024-11-13 23:01:35,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25723343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:35, skipping insertion in model container [2024-11-13 23:01:35,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:35" (1/1) ... [2024-11-13 23:01:35,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:01:36,076 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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-back-serstep.c[1176,1189] [2024-11-13 23:01:36,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:36,657 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:01:36,671 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_1d79b26a-0c57-45d2-ba1a-e84dff83961a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-back-serstep.c[1176,1189] [2024-11-13 23:01:36,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:36,968 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:01:36,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36 WrapperNode [2024-11-13 23:01:36,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:36,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:36,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:01:36,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:01:36,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,146 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1861 [2024-11-13 23:01:37,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:37,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:01:37,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:01:37,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:01:37,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:01:37,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:01:37,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:01:37,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:01:37,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:36" (1/1) ... [2024-11-13 23:01:37,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:37,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:01:37,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:01:37,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:01:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:01:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:01:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:01:37,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:01:37,946 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:01:37,948 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:01:40,887 INFO L? ?]: Removed 207 outVars from TransFormulas that were not future-live. [2024-11-13 23:01:40,887 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:01:40,975 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:01:40,977 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:01:40,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:40 BoogieIcfgContainer [2024-11-13 23:01:40,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:01:40,978 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:01:40,978 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:01:40,991 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:01:40,991 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:40" (1/1) ... [2024-11-13 23:01:40,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:01:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:41,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:01:41,058 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:01:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:01:41,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:41,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:41,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:01:41,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:01:41,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:01:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:41,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:01:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:42,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:01:42,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:01:42,275 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 23:01:42,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:01:42,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 23:01:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 23:01:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:01:42,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:42,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:42,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:01:42,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:01:42,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d79b26a-0c57-45d2-ba1a-e84dff83961a/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:01:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:43,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:01:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:44,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-13 23:01:44,353 INFO L278 TraceCheckSpWp]: Computing forward predicates...