./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.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_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/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_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/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_00ffa515-2503-46b6-9c16-74a1bf7d1475/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 af054c56b53dbaf47c2e77c7a9f5399ddfc0be2b5a01fef7ec50c2cea18d4aa8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:41:24,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:41:24,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:41:24,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:41:24,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:41:24,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:41:24,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:41:24,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:41:24,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:41:24,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:41:24,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:41:24,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:41:24,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:41:24,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:41:24,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:41:24,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:41:24,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:41:24,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:41:24,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:41:24,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:41:24,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:41:24,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:41:24,465 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:41:24,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:41:24,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:24,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:41:24,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:41:24,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:41:24,465 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:41:24,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:41:24,466 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_00ffa515-2503-46b6-9c16-74a1bf7d1475/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 -> af054c56b53dbaf47c2e77c7a9f5399ddfc0be2b5a01fef7ec50c2cea18d4aa8 [2024-11-13 21:41:24,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:41:24,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:41:24,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:41:24,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:41:24,857 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:41:24,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 21:41:26,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:41:27,503 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:41:27,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.c [2024-11-13 21:41:27,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/data/ff15892b6/f6688b92ee6d473ba362e12fdae847df/FLAGb4cb13c0b [2024-11-13 21:41:27,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/data/ff15892b6/f6688b92ee6d473ba362e12fdae847df [2024-11-13 21:41:27,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:41:27,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:41:27,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:27,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:41:27,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:41:27,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:27" (1/1) ... [2024-11-13 21:41:27,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f69d479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:27, skipping insertion in model container [2024-11-13 21:41:27,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:41:27" (1/1) ... [2024-11-13 21:41:27,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:41:27,928 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_00ffa515-2503-46b6-9c16-74a1bf7d1475/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.c[1173,1186] [2024-11-13 21:41:28,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:28,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:41:28,514 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_00ffa515-2503-46b6-9c16-74a1bf7d1475/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.c[1173,1186] [2024-11-13 21:41:28,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:41:28,855 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:41:28,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28 WrapperNode [2024-11-13 21:41:28,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:41:28,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:28,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:41:28,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:41:28,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:28,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:29,890 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5800 [2024-11-13 21:41:29,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:41:29,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:41:29,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:41:29,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:41:29,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:29,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:30,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:30,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:30,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:30,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:30,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:30,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:30,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:41:30,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:41:30,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:41:30,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:41:30,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:41:28" (1/1) ... [2024-11-13 21:41:30,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:41:30,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:41:30,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:41:30,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:41:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:41:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:41:30,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:41:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:41:31,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:41:31,513 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:41:40,642 INFO L? ?]: Removed 3416 outVars from TransFormulas that were not future-live. [2024-11-13 21:41:40,642 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:41:52,040 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:41:52,041 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:41:52,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:52 BoogieIcfgContainer [2024-11-13 21:41:52,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:41:52,043 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:41:52,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:41:52,053 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:41:52,053 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:41:52" (1/1) ... [2024-11-13 21:41:52,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:41:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:41:52,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:41:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:41:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:41:52,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:41:52,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:41:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:53,493 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 21:42:03,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:42:13,872 WARN L539 Checker$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 21:42:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:42:14,151 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:42:14,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:42:14,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:14,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:43:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:08,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:43:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:44:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:09,661 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 21:44:09,668 INFO L158 Benchmark]: Toolchain (without parser) took 162105.89ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 115.7MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 402.5MB. Max. memory is 16.1GB. [2024-11-13 21:44:09,668 INFO L158 Benchmark]: CDTParser took 4.02ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:44:09,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1293.68ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 84.1MB in the end (delta: 31.6MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2024-11-13 21:44:09,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 1032.00ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 84.1MB in the beginning and 173.0MB in the end (delta: -88.9MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2024-11-13 21:44:09,670 INFO L158 Benchmark]: Boogie Preprocessor took 847.25ms. Allocated memory is still 335.5MB. Free memory was 173.0MB in the beginning and 156.3MB in the end (delta: 16.7MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2024-11-13 21:44:09,670 INFO L158 Benchmark]: RCFGBuilder took 21298.92ms. Allocated memory was 335.5MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 156.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 656.8MB. Max. memory is 16.1GB. [2024-11-13 21:44:09,671 INFO L158 Benchmark]: CodeCheck took 137624.20ms. Allocated memory was 1.6GB in the beginning and 2.3GB in the end (delta: 704.6MB). Free memory was 1.2GB in the beginning and 1.9GB in the end (delta: -621.6MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. [2024-11-13 21:44:09,674 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 4.02ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1293.68ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 84.1MB in the end (delta: 31.6MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1032.00ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 84.1MB in the beginning and 173.0MB in the end (delta: -88.9MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 847.25ms. Allocated memory is still 335.5MB. Free memory was 173.0MB in the beginning and 156.3MB in the end (delta: 16.7MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * RCFGBuilder took 21298.92ms. Allocated memory was 335.5MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 156.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 656.8MB. Max. memory is 16.1GB. * CodeCheck took 137624.20ms. Allocated memory was 1.6GB in the beginning and 2.3GB in the end (delta: 704.6MB). Free memory was 1.2GB in the beginning and 1.9GB in the end (delta: -621.6MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:44:09,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/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_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/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_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/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_00ffa515-2503-46b6-9c16-74a1bf7d1475/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 af054c56b53dbaf47c2e77c7a9f5399ddfc0be2b5a01fef7ec50c2cea18d4aa8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:44:12,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:44:12,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:44:12,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:44:12,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:44:12,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:44:12,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:44:12,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:44:12,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:44:12,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:44:12,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:44:12,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:44:12,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:44:12,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:44:12,867 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:44:12,867 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:44:12,867 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:44:12,867 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:44:12,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:44:12,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:44:12,867 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:44:12,870 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:44:12,870 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:44:12,871 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:12,871 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:44:12,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:44:12,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:12,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:44:12,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:44:12,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:44:12,872 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:44:12,872 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:12,872 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:44:12,873 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_00ffa515-2503-46b6-9c16-74a1bf7d1475/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 -> af054c56b53dbaf47c2e77c7a9f5399ddfc0be2b5a01fef7ec50c2cea18d4aa8 [2024-11-13 21:44:13,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:44:13,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:44:13,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:44:13,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:44:13,319 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:44:13,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 21:44:15,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:44:15,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:44:15,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.c [2024-11-13 21:44:15,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/data/67c0d3c24/6cd98349cd2646f695ee373626a842ff/FLAG12090d146 [2024-11-13 21:44:15,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/data/67c0d3c24/6cd98349cd2646f695ee373626a842ff [2024-11-13 21:44:15,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:44:15,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:44:15,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:15,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:44:15,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:44:15,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:15" (1/1) ... [2024-11-13 21:44:15,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74254607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:15, skipping insertion in model container [2024-11-13 21:44:15,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:44:15" (1/1) ... [2024-11-13 21:44:15,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:44:16,168 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_00ffa515-2503-46b6-9c16-74a1bf7d1475/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.c[1173,1186] [2024-11-13 21:44:16,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:44:16,577 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:44:16,588 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_00ffa515-2503-46b6-9c16-74a1bf7d1475/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-func-interl.c[1173,1186] [2024-11-13 21:44:16,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:44:16,816 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:44:16,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16 WrapperNode [2024-11-13 21:44:16,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:44:16,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:44:16,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:44:16,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:44:16,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:16,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:16,998 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2032 [2024-11-13 21:44:16,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:44:16,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:44:17,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:44:17,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:44:17,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:17,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:17,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:17,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:17,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:17,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:17,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:17,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:17,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:44:17,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:44:17,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:44:17,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:44:17,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:44:16" (1/1) ... [2024-11-13 21:44:17,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:44:17,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:44:17,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:44:17,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:44:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:44:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:44:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:44:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:44:17,891 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:44:17,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:44:20,273 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-13 21:44:20,273 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:44:20,386 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:44:20,387 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:44:20,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:20 BoogieIcfgContainer [2024-11-13 21:44:20,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:44:20,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:44:20,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:44:20,400 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:44:20,401 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:20" (1/1) ... [2024-11-13 21:44:20,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:44:20,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:20,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:44:20,472 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:44:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:44:20,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:20,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:20,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:44:20,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:44:20,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:44:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:21,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:44:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:21,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:44:21,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:21,679 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 21:44:21,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:44:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:44:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:44:21,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:44:21,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:21,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:44:21,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:44:21,929 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:44:21,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ffa515-2503-46b6-9c16-74a1bf7d1475/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:44:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:23,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:44:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:23,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:44:23,835 INFO L278 TraceCheckSpWp]: Computing forward predicates...