./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b --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 61ff0c478cd6e8d41d810ae4d1198eff2eb63a9a5783db9909f1ae30395ad01a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:38:02,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:38:02,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:38:02,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:38:02,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:38:02,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:38:02,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:38:02,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:38:02,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:38:02,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:38:02,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:38:02,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:38:02,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:38:02,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:38:02,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:38:02,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:38:02,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:38:02,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:38:02,474 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:38:02,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:38:02,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:38:02,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:38:02,474 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:38:02,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:38:02,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:02,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:38:02,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:38:02,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:38:02,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:38:02,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:38:02,475 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_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b 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 -> 61ff0c478cd6e8d41d810ae4d1198eff2eb63a9a5783db9909f1ae30395ad01a [2024-12-06 00:38:02,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:38:02,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:38:02,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:38:02,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:38:02,738 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:38:02,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c [2024-12-06 00:38:05,427 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/data/553533f2b/9a908d6755ad43a3be880b316ee94b43/FLAGcd0683901 [2024-12-06 00:38:05,673 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:38:05,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c [2024-12-06 00:38:05,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/data/553533f2b/9a908d6755ad43a3be880b316ee94b43/FLAGcd0683901 [2024-12-06 00:38:05,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/data/553533f2b/9a908d6755ad43a3be880b316ee94b43 [2024-12-06 00:38:05,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:38:05,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:38:05,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:05,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:38:05,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:38:05,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:05" (1/1) ... [2024-12-06 00:38:05,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fa037f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:05, skipping insertion in model container [2024-12-06 00:38:05,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:05" (1/1) ... [2024-12-06 00:38:05,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:38:05,871 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_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c[1174,1187] [2024-12-06 00:38:06,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:38:06,032 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:38:06,041 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_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c[1174,1187] [2024-12-06 00:38:06,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:38:06,144 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:38:06,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06 WrapperNode [2024-12-06 00:38:06,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:06,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:38:06,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:38:06,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:38:06,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,383 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1948 [2024-12-06 00:38:06,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:38:06,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:38:06,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:38:06,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:38:06,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,474 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:38:06,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:38:06,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:38:06,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:38:06,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:06" (1/1) ... [2024-12-06 00:38:06,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:06,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:38:06,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:38:06,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:38:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:38:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:38:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:38:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:38:06,778 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:38:06,780 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:38:09,059 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-12-06 00:38:09,059 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:38:11,340 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:38:11,340 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:38:11,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:38:11 BoogieIcfgContainer [2024-12-06 00:38:11,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:38:11,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:38:11,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:38:11,351 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:38:11,351 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:38:11" (1/1) ... [2024-12-06 00:38:11,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:38:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:38:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:38:11,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:38:11,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:11,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:38:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:38:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:38:23,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:38:33,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:38:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:38:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:38:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:38:34,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:34,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:38:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:40,773 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:38:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:38:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:38:56,261 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) [2024-12-06 00:38:56,266 INFO L158 Benchmark]: Toolchain (without parser) took 50563.91ms. Allocated memory was 142.6MB in the beginning and 981.5MB in the end (delta: 838.9MB). Free memory was 116.3MB in the beginning and 743.7MB in the end (delta: -627.4MB). Peak memory consumption was 215.6MB. Max. memory is 16.1GB. [2024-12-06 00:38:56,266 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:38:56,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.47ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 86.2MB in the end (delta: 29.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:38:56,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 238.29ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 88.3MB in the end (delta: -2.1MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-12-06 00:38:56,267 INFO L158 Benchmark]: Boogie Preprocessor took 169.03ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 72.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:38:56,268 INFO L158 Benchmark]: RCFGBuilder took 4787.01ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 72.1MB in the beginning and 225.1MB in the end (delta: -153.1MB). Peak memory consumption was 243.0MB. Max. memory is 16.1GB. [2024-12-06 00:38:56,268 INFO L158 Benchmark]: CodeCheck took 44923.43ms. Allocated memory was 411.0MB in the beginning and 981.5MB in the end (delta: 570.4MB). Free memory was 225.1MB in the beginning and 743.7MB in the end (delta: -518.6MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2024-12-06 00:38:56,270 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.47ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 86.2MB in the end (delta: 29.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 238.29ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 88.3MB in the end (delta: -2.1MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.03ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 72.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4787.01ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 72.1MB in the beginning and 225.1MB in the end (delta: -153.1MB). Peak memory consumption was 243.0MB. Max. memory is 16.1GB. * CodeCheck took 44923.43ms. Allocated memory was 411.0MB in the beginning and 981.5MB in the end (delta: 570.4MB). Free memory was 225.1MB in the beginning and 743.7MB in the end (delta: -518.6MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:38:56,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/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_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b --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 61ff0c478cd6e8d41d810ae4d1198eff2eb63a9a5783db9909f1ae30395ad01a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:38:58,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:38:58,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:38:58,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:38:58,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:38:58,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:38:58,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:38:58,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:38:58,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:38:58,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:38:58,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:38:58,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:38:58,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:38:58,308 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:58,309 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:38:58,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:38:58,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:58,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:38:58,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:38:58,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:38:58,309 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:38:58,309 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:38:58,309 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:38:58,309 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_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b 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 -> 61ff0c478cd6e8d41d810ae4d1198eff2eb63a9a5783db9909f1ae30395ad01a [2024-12-06 00:38:58,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:38:58,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:38:58,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:38:58,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:38:58,556 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:38:58,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c [2024-12-06 00:39:01,310 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/data/ef603a651/661933229719415d94f29c6e4bc82a70/FLAG302796b4d [2024-12-06 00:39:01,509 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:39:01,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c [2024-12-06 00:39:01,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/data/ef603a651/661933229719415d94f29c6e4bc82a70/FLAG302796b4d [2024-12-06 00:39:01,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/data/ef603a651/661933229719415d94f29c6e4bc82a70 [2024-12-06 00:39:01,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:39:01,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:39:01,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:39:01,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:39:01,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:39:01,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:39:01" (1/1) ... [2024-12-06 00:39:01,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1ca415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:01, skipping insertion in model container [2024-12-06 00:39:01,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:39:01" (1/1) ... [2024-12-06 00:39:01,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:39:02,001 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_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c[1174,1187] [2024-12-06 00:39:02,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:39:02,122 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:39:02,130 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_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.6.prop1-back-serstep.c[1174,1187] [2024-12-06 00:39:02,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:39:02,206 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:39:02,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02 WrapperNode [2024-12-06 00:39:02,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:39:02,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:39:02,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:39:02,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:39:02,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,260 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 572 [2024-12-06 00:39:02,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:39:02,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:39:02,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:39:02,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:39:02,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,295 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:39:02,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:39:02,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:39:02,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:39:02,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:02" (1/1) ... [2024-12-06 00:39:02,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:39:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:39:02,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:39:02,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:39:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:39:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:39:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:39:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:39:02,500 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:39:02,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:39:03,110 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-12-06 00:39:03,111 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:39:03,154 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:39:03,154 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:39:03,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:39:03 BoogieIcfgContainer [2024-12-06 00:39:03,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:39:03,155 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:39:03,155 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:39:03,162 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:39:03,162 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:39:03" (1/1) ... [2024-12-06 00:39:03,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:39:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:39:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:39:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:39:03,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:03,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:03,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:03,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:03,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:39:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:03,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:03,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:39:03,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:03,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:39:03,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:03,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:39:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:39:03,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:39:03,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:03,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:03,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:03,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:03,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f7fca1-cc4b-4ead-9cc2-8dc64e2dbe80/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:39:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:04,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:04,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:39:04,253 INFO L279 TraceCheckSpWp]: Computing forward predicates...