./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/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 13d38cd1e09447c556ec5e43eaee89c2cbf85b25dd2d1aa57b949637618c30c2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:30:02,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:30:02,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:30:02,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:30:02,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:30:02,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:30:02,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:30:02,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:30:02,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:30:02,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:30:02,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:30:02,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:30:02,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:30:02,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:30:02,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:30:02,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:30:02,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:30:02,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:30:02,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:30:02,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:30:02,935 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:30:02,935 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:30:02,935 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:30:02,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:30:02,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:02,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:30:02,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:30:02,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:30:02,937 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:30:02,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:30:02,937 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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/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 -> 13d38cd1e09447c556ec5e43eaee89c2cbf85b25dd2d1aa57b949637618c30c2 [2024-11-13 21:30:03,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:30:03,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:30:03,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:30:03,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:30:03,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:30:03,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:30:05,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:30:05,695 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:30:05,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c [2024-11-13 21:30:05,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/data/781c9ccbb/8a09a98654cd4a088261aa929ebde3db/FLAG58f3365f7 [2024-11-13 21:30:05,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/data/781c9ccbb/8a09a98654cd4a088261aa929ebde3db [2024-11-13 21:30:05,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:30:05,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:30:05,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:05,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:30:05,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:30:05,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:05" (1/1) ... [2024-11-13 21:30:05,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486f9b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:05, skipping insertion in model container [2024-11-13 21:30:05,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:05" (1/1) ... [2024-11-13 21:30:05,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:30:06,138 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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c[1174,1187] [2024-11-13 21:30:06,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:06,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:30:06,815 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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c[1174,1187] [2024-11-13 21:30:07,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:07,179 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:30:07,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07 WrapperNode [2024-11-13 21:30:07,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:07,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:07,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:30:07,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:30:07,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:07,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:08,378 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9044 [2024-11-13 21:30:08,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:08,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:30:08,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:30:08,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:30:08,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:08,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:08,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:08,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:09,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:09,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:09,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:09,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:09,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:30:09,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:30:09,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:30:09,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:30:09,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:07" (1/1) ... [2024-11-13 21:30:09,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:09,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:30:09,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:30:09,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:30:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:30:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:30:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:30:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:30:10,929 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:30:10,932 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:30:22,711 INFO L? ?]: Removed 5494 outVars from TransFormulas that were not future-live. [2024-11-13 21:30:22,714 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:30:38,373 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:30:38,374 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:30:38,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:38 BoogieIcfgContainer [2024-11-13 21:30:38,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:30:38,375 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:30:38,375 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:30:38,386 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:30:38,387 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:38" (1/1) ... [2024-11-13 21:30:38,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:30:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:38,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:30:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:30:38,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:30:38,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:38,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:42,904 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 21:30:53,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:31:03,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:31:04,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:31:13,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:31:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:31:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:31:13,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:31:13,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:13,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:35:26,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:39:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:39:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:39:33,072 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 21:39:33,078 INFO L158 Benchmark]: Toolchain (without parser) took 567318.91ms. Allocated memory was 117.4MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 86.9MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 4.3GB. Max. memory is 16.1GB. [2024-11-13 21:39:33,078 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:33,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.30ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 38.5MB in the end (delta: 48.4MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2024-11-13 21:39:33,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 1197.13ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 38.5MB in the beginning and 94.9MB in the end (delta: -56.4MB). Peak memory consumption was 207.7MB. Max. memory is 16.1GB. [2024-11-13 21:39:33,080 INFO L158 Benchmark]: Boogie Preprocessor took 1526.95ms. Allocated memory was 285.2MB in the beginning and 671.1MB in the end (delta: 385.9MB). Free memory was 94.9MB in the beginning and 432.6MB in the end (delta: -337.6MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2024-11-13 21:39:33,081 INFO L158 Benchmark]: RCFGBuilder took 28466.19ms. Allocated memory was 671.1MB in the beginning and 5.3GB in the end (delta: 4.6GB). Free memory was 432.1MB in the beginning and 4.5GB in the end (delta: -4.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-13 21:39:33,081 INFO L158 Benchmark]: CodeCheck took 534701.42ms. Allocated memory was 5.3GB in the beginning and 7.4GB in the end (delta: 2.2GB). Free memory was 4.5GB in the beginning and 3.1GB in the end (delta: 1.4GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. [2024-11-13 21:39:33,084 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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.30ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 38.5MB in the end (delta: 48.4MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1197.13ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 38.5MB in the beginning and 94.9MB in the end (delta: -56.4MB). Peak memory consumption was 207.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1526.95ms. Allocated memory was 285.2MB in the beginning and 671.1MB in the end (delta: 385.9MB). Free memory was 94.9MB in the beginning and 432.6MB in the end (delta: -337.6MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. * RCFGBuilder took 28466.19ms. Allocated memory was 671.1MB in the beginning and 5.3GB in the end (delta: 4.6GB). Free memory was 432.1MB in the beginning and 4.5GB in the end (delta: -4.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 534701.42ms. Allocated memory was 5.3GB in the beginning and 7.4GB in the end (delta: 2.2GB). Free memory was 4.5GB in the beginning and 3.1GB in the end (delta: 1.4GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:39:33,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/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 13d38cd1e09447c556ec5e43eaee89c2cbf85b25dd2d1aa57b949637618c30c2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:39:36,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:39:36,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:39:36,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:39:36,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:39:36,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:39:36,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:39:36,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:39:36,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:39:36,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:39:36,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:39:36,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:39:36,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:39:36,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:39:36,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:39:36,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:39:36,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:39:36,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:39:36,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:39:36,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:39:36,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:39:36,341 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:39:36,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:39:36,341 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:36,341 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:39:36,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:39:36,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:39:36,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:39:36,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:39:36,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:39:36,342 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:39:36,342 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:36,342 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:39:36,342 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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/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 -> 13d38cd1e09447c556ec5e43eaee89c2cbf85b25dd2d1aa57b949637618c30c2 [2024-11-13 21:39:36,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:39:36,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:39:36,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:39:36,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:39:36,671 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:39:36,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:39:38,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:39:39,204 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:39:39,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c [2024-11-13 21:39:39,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/data/9f983baae/8720b5daf78b4366905014427bcf0ba3/FLAGf746176f5 [2024-11-13 21:39:39,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/data/9f983baae/8720b5daf78b4366905014427bcf0ba3 [2024-11-13 21:39:39,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:39:39,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:39:39,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:39:39,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:39:39,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:39:39,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:39:39" (1/1) ... [2024-11-13 21:39:39,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb1799f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:39, skipping insertion in model container [2024-11-13 21:39:39,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:39:39" (1/1) ... [2024-11-13 21:39:39,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:39:39,629 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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c[1174,1187] [2024-11-13 21:39:40,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:39:40,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:39:40,230 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_159c3696-4451-4428-94a4-4f2e6eb5e1a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.3.prop1-back-serstep.c[1174,1187] [2024-11-13 21:39:40,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:39:40,545 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:39:40,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40 WrapperNode [2024-11-13 21:39:40,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:39:40,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:39:40,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:39:40,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:39:40,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:40,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:40,790 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3668 [2024-11-13 21:39:40,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:39:40,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:39:40,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:39:40,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:39:40,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:40,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:40,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:40,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:40,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:40,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:40,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:40,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:40,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:39:41,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:39:41,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:39:41,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:39:41,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:40" (1/1) ... [2024-11-13 21:39:41,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:39:41,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:39:41,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:39:41,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:39:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:39:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:39:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:39:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:39:41,941 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:39:41,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:39:49,378 INFO L? ?]: Removed 189 outVars from TransFormulas that were not future-live. [2024-11-13 21:39:49,378 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:39:49,507 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:39:49,508 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:39:49,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:39:49 BoogieIcfgContainer [2024-11-13 21:39:49,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:39:49,509 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:39:49,509 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:39:49,520 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:39:49,520 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:39:49" (1/1) ... [2024-11-13 21:39:49,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:39:49,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:39:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:39:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:39:49,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:49,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:49,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:49,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:49,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:39:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:50,913 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:51,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:39:51,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:39:51,374 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 21:39:51,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:39:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:51,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:39:51,937 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:39:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:39:51,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:51,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:51,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:51,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:51,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_159c3696-4451-4428-94a4-4f2e6eb5e1a8/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:39:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:54,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:54,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 21:39:54,885 INFO L278 TraceCheckSpWp]: Computing forward predicates...