./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.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_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/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_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/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_e7db0915-ff0e-4a99-af10-8121f9bda350/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 f36267dccc4da984d652ec1dd4f4e1c108e6606dd42849cd67356e8d4b0d29a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:25:31,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:25:31,763 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:25:31,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:25:31,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:25:31,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:25:31,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:25:31,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:25:31,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:25:31,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:25:31,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:25:31,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:25:31,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:25:31,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:25:31,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:25:31,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:25:31,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:25:31,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:25:31,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:25:31,796 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:25:31,796 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:25:31,796 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:25:31,796 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:25:31,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:25:31,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:25:31,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:25:31,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:25:31,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:25:31,797 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:25:31,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:25:31,798 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_e7db0915-ff0e-4a99-af10-8121f9bda350/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 -> f36267dccc4da984d652ec1dd4f4e1c108e6606dd42849cd67356e8d4b0d29a6 [2024-11-13 20:25:32,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:25:32,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:25:32,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:25:32,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:25:32,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:25:32,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:25:34,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:25:34,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:25:34,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c [2024-11-13 20:25:34,559 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/data/75760df3a/b599eba742344001a692a25ed628d097/FLAGa42da1ab6 [2024-11-13 20:25:34,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/data/75760df3a/b599eba742344001a692a25ed628d097 [2024-11-13 20:25:34,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:25:34,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:25:34,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:25:34,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:25:34,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:25:34,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:25:34" (1/1) ... [2024-11-13 20:25:34,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1fb782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:34, skipping insertion in model container [2024-11-13 20:25:34,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:25:34" (1/1) ... [2024-11-13 20:25:34,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:25:34,940 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_e7db0915-ff0e-4a99-af10-8121f9bda350/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c[1171,1184] [2024-11-13 20:25:35,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:25:35,582 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:25:35,594 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_e7db0915-ff0e-4a99-af10-8121f9bda350/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c[1171,1184] [2024-11-13 20:25:35,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:25:35,936 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:25:35,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35 WrapperNode [2024-11-13 20:25:35,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:25:35,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:25:35,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:25:35,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:25:35,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:36,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:36,978 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8732 [2024-11-13 20:25:36,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:25:36,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:25:36,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:25:36,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:25:36,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:36,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:37,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:37,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:37,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:38,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:38,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:38,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:38,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:25:38,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:25:38,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:25:38,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:25:38,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:25:35" (1/1) ... [2024-11-13 20:25:38,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:25:38,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:25:38,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:25:38,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:25:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:25:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:25:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:25:38,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:25:39,346 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:25:39,348 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:25:54,242 INFO L? ?]: Removed 4747 outVars from TransFormulas that were not future-live. [2024-11-13 20:25:54,242 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:26:08,901 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:26:08,902 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:26:08,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:08 BoogieIcfgContainer [2024-11-13 20:26:08,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:26:08,903 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:26:08,903 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:26:08,910 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:26:08,910 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:08" (1/1) ... [2024-11-13 20:26:08,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:26:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:26:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:26:08,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:26:08,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:08,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:19,623 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 20:26:30,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:26:40,110 WARN L539 Checker$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 20:26:45,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:26:55,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:26:57,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:27:07,920 WARN L539 Checker$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 20:27:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:07,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:27:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:27:07,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:27:07,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:07,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:30:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:30:52,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:35:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:35:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:35:33,131 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 20:35:33,136 INFO L158 Benchmark]: Toolchain (without parser) took 598540.33ms. Allocated memory was 117.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 90.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 758.6MB. Max. memory is 16.1GB. [2024-11-13 20:35:33,136 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:33,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.92ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 90.0MB in the beginning and 308.1MB in the end (delta: -218.1MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2024-11-13 20:35:33,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 1038.73ms. Allocated memory is still 377.5MB. Free memory was 307.6MB in the beginning and 166.9MB in the end (delta: 140.7MB). Peak memory consumption was 256.9MB. Max. memory is 16.1GB. [2024-11-13 20:35:33,140 INFO L158 Benchmark]: Boogie Preprocessor took 1436.19ms. Allocated memory was 377.5MB in the beginning and 671.1MB in the end (delta: 293.6MB). Free memory was 166.9MB in the beginning and 425.6MB in the end (delta: -258.7MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2024-11-13 20:35:33,141 INFO L158 Benchmark]: RCFGBuilder took 30486.37ms. Allocated memory was 671.1MB in the beginning and 2.1GB in the end (delta: 1.4GB). Free memory was 425.6MB in the beginning and 739.3MB in the end (delta: -313.7MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-13 20:35:33,141 INFO L158 Benchmark]: CodeCheck took 564230.73ms. Allocated memory was 2.1GB in the beginning and 2.2GB in the end (delta: 58.7MB). Free memory was 739.3MB in the beginning and 1.4GB in the end (delta: -640.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:35:33,148 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 1.39ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.92ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 90.0MB in the beginning and 308.1MB in the end (delta: -218.1MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1038.73ms. Allocated memory is still 377.5MB. Free memory was 307.6MB in the beginning and 166.9MB in the end (delta: 140.7MB). Peak memory consumption was 256.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1436.19ms. Allocated memory was 377.5MB in the beginning and 671.1MB in the end (delta: 293.6MB). Free memory was 166.9MB in the beginning and 425.6MB in the end (delta: -258.7MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. * RCFGBuilder took 30486.37ms. Allocated memory was 671.1MB in the beginning and 2.1GB in the end (delta: 1.4GB). Free memory was 425.6MB in the beginning and 739.3MB in the end (delta: -313.7MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 564230.73ms. Allocated memory was 2.1GB in the beginning and 2.2GB in the end (delta: 58.7MB). Free memory was 739.3MB in the beginning and 1.4GB in the end (delta: -640.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:35:33,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/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_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/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_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/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_e7db0915-ff0e-4a99-af10-8121f9bda350/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 f36267dccc4da984d652ec1dd4f4e1c108e6606dd42849cd67356e8d4b0d29a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:36,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:36,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:35:36,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:36,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:35:36,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:35:36,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:36,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:36,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:36,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:35:36,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:36,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:35:36,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:36,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:35:36,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:35:36,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:35:36,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:36,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:35:36,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:35:36,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:36,340 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:36,341 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:36,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:36,341 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:36,341 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:35:36,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:36,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:36,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:36,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:36,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:35:36,342 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:35:36,342 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:36,342 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:35:36,342 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_e7db0915-ff0e-4a99-af10-8121f9bda350/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 -> f36267dccc4da984d652ec1dd4f4e1c108e6606dd42849cd67356e8d4b0d29a6 [2024-11-13 20:35:36,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:36,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:36,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:36,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:36,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:36,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:35:38,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:39,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:39,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c [2024-11-13 20:35:39,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/data/33105c59d/0ba746184f0f4d5a83744abd40b1ac9d/FLAG0c96adac2 [2024-11-13 20:35:39,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/data/33105c59d/0ba746184f0f4d5a83744abd40b1ac9d [2024-11-13 20:35:39,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:39,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:39,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:39,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:39,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:39,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e7e6b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:39, skipping insertion in model container [2024-11-13 20:35:39,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:39" (1/1) ... [2024-11-13 20:35:39,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:39,654 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_e7db0915-ff0e-4a99-af10-8121f9bda350/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c[1171,1184] [2024-11-13 20:35:40,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:40,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:40,239 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_e7db0915-ff0e-4a99-af10-8121f9bda350/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c[1171,1184] [2024-11-13 20:35:40,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:40,486 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:40,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40 WrapperNode [2024-11-13 20:35:40,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:40,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:40,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:40,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:40,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,694 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2668 [2024-11-13 20:35:40,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:40,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:40,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:40,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:40,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:40,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:40,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:40,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:40,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:40" (1/1) ... [2024-11-13 20:35:40,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:40,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:40,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:40,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:35:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:41,711 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:41,713 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:46,490 INFO L? ?]: Removed 282 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:46,491 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:35:46,605 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:35:46,606 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:35:46,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:46 BoogieIcfgContainer [2024-11-13 20:35:46,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:35:46,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:35:46,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:35:46,620 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:35:46,621 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:35:46" (1/1) ... [2024-11-13 20:35:46,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:35:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:35:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:35:46,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:35:46,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:46,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:46,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:35:46,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:35:46,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:35:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:47,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:35:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:48,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:35:48,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:35:48,346 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 20:35:48,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:35:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:48,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:35:48,848 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:35:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:35:48,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:48,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:48,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:35:48,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:35:48,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7db0915-ff0e-4a99-af10-8121f9bda350/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:35:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:50,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:35:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:51,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-13 20:35:51,227 INFO L278 TraceCheckSpWp]: Computing forward predicates...