./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/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 222b14b2569faca05dcbf2bfc0919e64cef2d3bef8d6862959ccf7f7e6419270 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:44:11,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:44:11,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:44:11,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:44:11,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:44:11,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:44:11,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:44:11,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:44:11,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:44:11,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:44:11,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:44:11,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:44:11,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:44:11,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:44:11,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:44:11,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:44:11,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:44:11,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:44:11,491 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:44:11,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:44:11,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:44:11,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:44:11,492 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:44:11,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:44:11,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:44:11,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:44:11,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:44:11,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:44:11,492 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:44:11,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:44:11,493 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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/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 -> 222b14b2569faca05dcbf2bfc0919e64cef2d3bef8d6862959ccf7f7e6419270 [2024-12-05 22:44:11,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:44:11,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:44:11,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:44:11,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:44:11,708 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:44:11,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c [2024-12-05 22:44:14,362 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/data/c0177b94c/813c065a6181459d9b62e7c290e7153c/FLAGdb1e83272 [2024-12-05 22:44:14,641 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:44:14,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c [2024-12-05 22:44:14,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/data/c0177b94c/813c065a6181459d9b62e7c290e7153c/FLAGdb1e83272 [2024-12-05 22:44:14,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/data/c0177b94c/813c065a6181459d9b62e7c290e7153c [2024-12-05 22:44:14,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:44:14,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:44:14,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:44:14,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:44:14,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:44:14,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:44:14" (1/1) ... [2024-12-05 22:44:14,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df1ea73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:14, skipping insertion in model container [2024-12-05 22:44:14,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:44:14" (1/1) ... [2024-12-05 22:44:14,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:44:14,872 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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c[1176,1189] [2024-12-05 22:44:15,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:44:15,152 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:44:15,160 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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c[1176,1189] [2024-12-05 22:44:15,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:44:15,282 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:44:15,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15 WrapperNode [2024-12-05 22:44:15,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:44:15,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:44:15,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:44:15,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:44:15,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:15,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:15,744 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5364 [2024-12-05 22:44:15,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:44:15,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:44:15,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:44:15,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:44:15,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:15,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:15,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:15,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:16,001 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:16,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:16,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:16,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:16,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:16,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:44:16,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:44:16,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:44:16,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:44:16,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:44:15" (1/1) ... [2024-12-05 22:44:16,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:44:16,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:44:16,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:44:16,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:44:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:44:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:44:16,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:44:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:44:16,541 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:44:16,543 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:44:22,043 INFO L? ?]: Removed 2897 outVars from TransFormulas that were not future-live. [2024-12-05 22:44:22,043 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:44:28,365 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:44:28,365 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:44:28,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:44:28 BoogieIcfgContainer [2024-12-05 22:44:28,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:44:28,366 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:44:28,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:44:28,373 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:44:28,373 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:44:28" (1/1) ... [2024-12-05 22:44:28,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:44:28,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:44:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:44:28,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:44:28,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:28,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:44:40,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:44:50,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:44:56,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:44:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:44:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:44:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:44:56,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:56,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:45:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:45:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:45:52,917 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) [2024-12-05 22:45:52,920 INFO L158 Benchmark]: Toolchain (without parser) took 98246.90ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 115.0MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 529.1MB. Max. memory is 16.1GB. [2024-12-05 22:45:52,921 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:52,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.44ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 91.9MB in the end (delta: 22.9MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2024-12-05 22:45:52,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 461.39ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 91.9MB in the beginning and 143.5MB in the end (delta: -51.5MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. [2024-12-05 22:45:52,922 INFO L158 Benchmark]: Boogie Preprocessor took 424.72ms. Allocated memory is still 285.2MB. Free memory was 143.5MB in the beginning and 129.8MB in the end (delta: 13.6MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2024-12-05 22:45:52,922 INFO L158 Benchmark]: RCFGBuilder took 12194.40ms. Allocated memory was 285.2MB in the beginning and 1.1GB in the end (delta: 838.9MB). Free memory was 129.8MB in the beginning and 389.6MB in the end (delta: -259.7MB). Peak memory consumption was 590.8MB. Max. memory is 16.1GB. [2024-12-05 22:45:52,923 INFO L158 Benchmark]: CodeCheck took 84553.78ms. Allocated memory was 1.1GB in the beginning and 1.8GB in the end (delta: 687.9MB). Free memory was 389.6MB in the beginning and 1.3GB in the end (delta: -871.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:52,925 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 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.44ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 91.9MB in the end (delta: 22.9MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 461.39ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 91.9MB in the beginning and 143.5MB in the end (delta: -51.5MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 424.72ms. Allocated memory is still 285.2MB. Free memory was 143.5MB in the beginning and 129.8MB in the end (delta: 13.6MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. * RCFGBuilder took 12194.40ms. Allocated memory was 285.2MB in the beginning and 1.1GB in the end (delta: 838.9MB). Free memory was 129.8MB in the beginning and 389.6MB in the end (delta: -259.7MB). Peak memory consumption was 590.8MB. Max. memory is 16.1GB. * CodeCheck took 84553.78ms. Allocated memory was 1.1GB in the beginning and 1.8GB in the end (delta: 687.9MB). Free memory was 389.6MB in the beginning and 1.3GB in the end (delta: -871.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:45:53,132 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 22:45:53,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/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 222b14b2569faca05dcbf2bfc0919e64cef2d3bef8d6862959ccf7f7e6419270 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:45:54,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:45:55,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:45:55,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:45:55,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:45:55,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:45:55,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:45:55,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:45:55,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:45:55,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:45:55,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:45:55,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:45:55,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:45:55,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:45:55,040 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:45:55,040 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:45:55,041 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:45:55,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:45:55,041 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:45:55,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:45:55,041 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:45:55,041 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:45:55,041 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:45:55,041 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:55,041 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:45:55,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:45:55,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:55,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:45:55,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:45:55,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:45:55,042 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:45:55,042 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:55,042 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:45:55,042 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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/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 -> 222b14b2569faca05dcbf2bfc0919e64cef2d3bef8d6862959ccf7f7e6419270 [2024-12-05 22:45:55,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:45:55,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:45:55,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:45:55,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:45:55,298 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:45:55,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c [2024-12-05 22:45:58,006 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/data/7aec09f34/7c36f7435a724dccbd8f21ea1fc30a7e/FLAG68bb04a36 [2024-12-05 22:45:58,280 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:45:58,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c [2024-12-05 22:45:58,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/data/7aec09f34/7c36f7435a724dccbd8f21ea1fc30a7e/FLAG68bb04a36 [2024-12-05 22:45:58,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/data/7aec09f34/7c36f7435a724dccbd8f21ea1fc30a7e [2024-12-05 22:45:58,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:45:58,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:45:58,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:58,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:45:58,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:45:58,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:58,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b841e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58, skipping insertion in model container [2024-12-05 22:45:58,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:58,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:45:58,484 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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c[1176,1189] [2024-12-05 22:45:58,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:58,731 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:45:58,738 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_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c[1176,1189] [2024-12-05 22:45:58,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:58,858 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:45:58,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58 WrapperNode [2024-12-05 22:45:58,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:58,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:58,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:45:58,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:45:58,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:58,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:58,955 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1668 [2024-12-05 22:45:58,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:58,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:45:58,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:45:58,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:45:58,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:58,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:58,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:58,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:59,011 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:59,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:59,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:59,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:59,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:59,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:45:59,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:45:59,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:45:59,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:45:59,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:58" (1/1) ... [2024-12-05 22:45:59,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:59,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:45:59,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:45:59,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:45:59,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:45:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:45:59,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:45:59,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:45:59,376 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:45:59,378 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:46:01,928 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2024-12-05 22:46:01,928 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:46:01,986 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:46:01,986 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:46:01,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:01 BoogieIcfgContainer [2024-12-05 22:46:01,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:46:01,987 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:46:01,988 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:46:01,997 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:46:01,997 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:01" (1/1) ... [2024-12-05 22:46:02,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:46:02,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:02,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:46:02,049 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:46:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:46:02,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:02,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:02,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:02,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:02,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:46:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:02,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:02,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:46:02,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:02,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:02,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:46:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:03,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:46:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:46:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:46:03,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:03,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:03,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:03,629 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:03,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e05e850-3a65-4eeb-a8fd-e5a6a14916ea/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:46:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:04,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:05,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-05 22:46:05,304 INFO L279 TraceCheckSpWp]: Computing forward predicates...