./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.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_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/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_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/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_e4515e93-338e-4865-8066-dd599407374d/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 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:39:36,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:39:36,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:39:36,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:39:36,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:39:36,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:39:36,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:39:36,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:39:36,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:39:36,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:39:36,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:39:36,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:39:36,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:39:36,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:39:36,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:39:36,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:39:36,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:39:36,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:39:36,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:39:36,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:39:36,505 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:39:36,505 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:39:36,505 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:39:36,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:39:36,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:36,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:39:36,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:39:36,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:39:36,506 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:39:36,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:39:36,506 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_e4515e93-338e-4865-8066-dd599407374d/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 -> 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 [2024-11-13 20:39:36,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:39:36,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:39:36,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:39:36,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:39:36,920 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:39:36,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:39:39,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:39:39,967 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:39:39,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c [2024-11-13 20:39:39,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/data/65997ac39/df4fdc06c98d4fedb40492ca1931ddf0/FLAG7150a6441 [2024-11-13 20:39:40,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/data/65997ac39/df4fdc06c98d4fedb40492ca1931ddf0 [2024-11-13 20:39:40,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:39:40,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:39:40,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:40,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:39:40,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:39:40,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:40,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36572411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:40, skipping insertion in model container [2024-11-13 20:39:40,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:40" (1/1) ... [2024-11-13 20:39:40,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:39:40,378 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_e4515e93-338e-4865-8066-dd599407374d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-11-13 20:39:40,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:40,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:39:40,948 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_e4515e93-338e-4865-8066-dd599407374d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-11-13 20:39:41,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:41,298 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:39:41,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41 WrapperNode [2024-11-13 20:39:41,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:41,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:41,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:39:41,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:39:41,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:41,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:42,315 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5642 [2024-11-13 20:39:42,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:42,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:39:42,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:39:42,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:39:42,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:42,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:42,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:42,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:43,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:43,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:43,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:43,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:43,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:39:43,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:39:43,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:39:43,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:39:43,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:41" (1/1) ... [2024-11-13 20:39:43,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:43,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:39:43,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:39:43,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:39:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:39:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:39:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:39:43,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:39:44,375 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:39:44,378 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:39:55,053 INFO L? ?]: Removed 3084 outVars from TransFormulas that were not future-live. [2024-11-13 20:39:55,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:40:06,943 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:40:06,943 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:40:06,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:40:06 BoogieIcfgContainer [2024-11-13 20:40:06,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:40:06,945 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:40:06,946 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:40:06,960 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:40:06,960 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:40:06" (1/1) ... [2024-11-13 20:40:06,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:40:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:40:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:40:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:40:07,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:07,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:20,971 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 20:40:31,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:40:41,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:40:43,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:40:54,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:40:54,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:54,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:40:54,993 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:40:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:40:54,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:54,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:42:32,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:43:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:00,402 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 20:44:00,408 INFO L158 Benchmark]: Toolchain (without parser) took 260392.64ms. Allocated memory was 109.1MB in the beginning and 5.7GB in the end (delta: 5.6GB). Free memory was 80.8MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-13 20:44:00,409 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:00,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1282.21ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 46.9MB in the end (delta: 33.5MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-11-13 20:44:00,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 1015.57ms. Allocated memory was 109.1MB in the beginning and 251.7MB in the end (delta: 142.6MB). Free memory was 46.8MB in the beginning and 123.2MB in the end (delta: -76.4MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. [2024-11-13 20:44:00,410 INFO L158 Benchmark]: Boogie Preprocessor took 1308.43ms. Allocated memory was 251.7MB in the beginning and 503.3MB in the end (delta: 251.7MB). Free memory was 123.2MB in the beginning and 338.6MB in the end (delta: -215.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-13 20:44:00,411 INFO L158 Benchmark]: RCFGBuilder took 23316.87ms. Allocated memory was 503.3MB in the beginning and 3.5GB in the end (delta: 3.0GB). Free memory was 338.6MB in the beginning and 3.0GB in the end (delta: -2.7GB). Peak memory consumption was 906.3MB. Max. memory is 16.1GB. [2024-11-13 20:44:00,412 INFO L158 Benchmark]: CodeCheck took 233461.84ms. Allocated memory was 3.5GB in the beginning and 5.7GB in the end (delta: 2.2GB). Free memory was 3.0GB in the beginning and 3.6GB in the end (delta: -525.6MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-13 20:44:00,414 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 0.63ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1282.21ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 46.9MB in the end (delta: 33.5MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1015.57ms. Allocated memory was 109.1MB in the beginning and 251.7MB in the end (delta: 142.6MB). Free memory was 46.8MB in the beginning and 123.2MB in the end (delta: -76.4MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1308.43ms. Allocated memory was 251.7MB in the beginning and 503.3MB in the end (delta: 251.7MB). Free memory was 123.2MB in the beginning and 338.6MB in the end (delta: -215.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * RCFGBuilder took 23316.87ms. Allocated memory was 503.3MB in the beginning and 3.5GB in the end (delta: 3.0GB). Free memory was 338.6MB in the beginning and 3.0GB in the end (delta: -2.7GB). Peak memory consumption was 906.3MB. Max. memory is 16.1GB. * CodeCheck took 233461.84ms. Allocated memory was 3.5GB in the beginning and 5.7GB in the end (delta: 2.2GB). Free memory was 3.0GB in the beginning and 3.6GB in the end (delta: -525.6MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:44:00,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/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_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/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_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/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_e4515e93-338e-4865-8066-dd599407374d/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 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:44:03,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:44:03,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:44:03,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:44:03,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:44:03,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:44:03,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:44:03,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:44:03,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:44:03,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:44:03,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:44:03,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:44:03,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:44:03,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:44:03,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:44:03,652 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:44:03,653 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:44:03,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:44:03,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:44:03,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:44:03,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:44:03,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:44:03,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:44:03,654 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:03,654 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:44:03,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:44:03,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:03,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:44:03,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:44:03,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:44:03,656 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:44:03,656 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:03,656 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:44:03,656 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_e4515e93-338e-4865-8066-dd599407374d/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 -> 0171d493f02a2e18e1cc19cbb83796da3fff4de8475d1760fa98ce0b4ed2da74 [2024-11-13 20:44:04,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:44:04,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:44:04,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:44:04,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:44:04,056 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:44:04,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:44:06,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:44:06,871 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:44:06,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c [2024-11-13 20:44:06,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/data/9a56e40fd/6af0ed11b5654010b30f304014d87db8/FLAG6dec23ce2 [2024-11-13 20:44:06,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/data/9a56e40fd/6af0ed11b5654010b30f304014d87db8 [2024-11-13 20:44:06,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:44:06,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:44:06,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:06,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:44:06,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:44:06,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:06" (1/1) ... [2024-11-13 20:44:06,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21513f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:06, skipping insertion in model container [2024-11-13 20:44:06,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:06" (1/1) ... [2024-11-13 20:44:07,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:44:07,282 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_e4515e93-338e-4865-8066-dd599407374d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-11-13 20:44:07,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:07,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:44:07,792 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_e4515e93-338e-4865-8066-dd599407374d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.2.prop1-back-serstep.c[1176,1189] [2024-11-13 20:44:08,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:08,105 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:44:08,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08 WrapperNode [2024-11-13 20:44:08,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:08,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:08,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:44:08,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:44:08,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,290 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1858 [2024-11-13 20:44:08,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:08,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:44:08,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:44:08,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:44:08,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:44:08,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:44:08,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:44:08,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:44:08,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:08" (1/1) ... [2024-11-13 20:44:08,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:08,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:44:08,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:44:08,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:44:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:44:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:44:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:44:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:44:09,033 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:44:09,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:44:12,089 INFO L? ?]: Removed 207 outVars from TransFormulas that were not future-live. [2024-11-13 20:44:12,089 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:44:12,173 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:44:12,174 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:44:12,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:12 BoogieIcfgContainer [2024-11-13 20:44:12,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:44:12,175 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:44:12,175 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:44:12,184 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:44:12,185 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:12" (1/1) ... [2024-11-13 20:44:12,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:44:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:12,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:44:12,251 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:44:12,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:44:12,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:12,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:12,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:12,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:12,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:44:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:13,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:13,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:44:13,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:13,413 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 20:44:13,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:44:13,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:44:13,807 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:44:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:44:13,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:13,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:13,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:13,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:13,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4515e93-338e-4865-8066-dd599407374d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:44:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:15,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:15,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-13 20:44:15,829 INFO L278 TraceCheckSpWp]: Computing forward predicates...