./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/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 303ec4e55cff11668adbb757d7bc21a419b4a5a3b196481038c6071b2c29ac11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:01:41,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:01:41,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:01:41,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:01:41,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:01:41,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:01:41,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:01:41,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:01:41,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:01:41,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:01:41,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:01:41,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:01:41,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:01:41,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:01:41,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:01:41,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:01:41,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:01:41,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:01:41,414 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:01:41,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:01:41,414 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:01:41,414 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:01:41,414 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:01:41,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:01:41,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:01:41,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:01:41,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:01:41,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:01:41,414 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:01:41,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:01:41,415 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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/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 -> 303ec4e55cff11668adbb757d7bc21a419b4a5a3b196481038c6071b2c29ac11 [2024-12-06 03:01:41,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:01:41,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:01:41,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:01:41,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:01:41,659 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:01:41,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c [2024-12-06 03:01:44,318 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/data/9ca96ccfb/e3fea413251e42efadfacf160b35e750/FLAG5da51a2bb [2024-12-06 03:01:44,624 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:01:44,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c [2024-12-06 03:01:44,641 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/data/9ca96ccfb/e3fea413251e42efadfacf160b35e750/FLAG5da51a2bb [2024-12-06 03:01:44,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/data/9ca96ccfb/e3fea413251e42efadfacf160b35e750 [2024-12-06 03:01:44,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:01:44,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:01:44,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:01:44,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:01:44,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:01:44,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:01:44" (1/1) ... [2024-12-06 03:01:44,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69576a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:44, skipping insertion in model container [2024-12-06 03:01:44,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:01:44" (1/1) ... [2024-12-06 03:01:44,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:01:44,878 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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c[1176,1189] [2024-12-06 03:01:45,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:01:45,280 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:01:45,288 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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c[1176,1189] [2024-12-06 03:01:45,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:01:45,562 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:01:45,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45 WrapperNode [2024-12-06 03:01:45,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:01:45,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:01:45,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:01:45,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:01:45,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:45,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:46,544 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12469 [2024-12-06 03:01:46,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:01:46,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:01:46,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:01:46,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:01:46,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:46,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:46,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:46,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:47,210 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:47,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:47,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:47,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:47,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:47,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:01:47,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:01:47,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:01:47,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:01:47,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:45" (1/1) ... [2024-12-06 03:01:47,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:01:47,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:01:47,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:01:47,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:01:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:01:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:01:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:01:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:01:48,223 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:01:48,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:02:04,256 INFO L? ?]: Removed 6600 outVars from TransFormulas that were not future-live. [2024-12-06 03:02:04,256 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:02:24,294 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:02:24,294 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:02:24,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:02:24 BoogieIcfgContainer [2024-12-06 03:02:24,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:02:24,296 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:02:24,296 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:02:24,303 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:02:24,303 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:02:24" (1/1) ... [2024-12-06 03:02:24,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:02:24,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:24,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:02:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:02:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:02:24,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:24,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:02:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:26,411 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 03:02:36,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:02:46,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:02:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:47,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:02:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:02:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:02:47,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:47,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:06:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:06:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:06:50,358 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 03:06:50,364 INFO L158 Benchmark]: Toolchain (without parser) took 305704.92ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 87.7MB in the beginning and 975.6MB in the end (delta: -887.9MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 03:06:50,364 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:06:50,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.65ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 39.1MB in the end (delta: 48.3MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. [2024-12-06 03:06:50,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 980.44ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 39.1MB in the beginning and 101.1MB in the end (delta: -62.0MB). Peak memory consumption was 319.5MB. Max. memory is 16.1GB. [2024-12-06 03:06:50,367 INFO L158 Benchmark]: Boogie Preprocessor took 1064.03ms. Allocated memory was 369.1MB in the beginning and 897.6MB in the end (delta: 528.5MB). Free memory was 101.1MB in the beginning and 557.0MB in the end (delta: -455.9MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. [2024-12-06 03:06:50,367 INFO L158 Benchmark]: RCFGBuilder took 36685.59ms. Allocated memory was 897.6MB in the beginning and 2.8GB in the end (delta: 1.9GB). Free memory was 557.0MB in the beginning and 1.4GB in the end (delta: -862.2MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 03:06:50,368 INFO L158 Benchmark]: CodeCheck took 266066.24ms. Allocated memory was 2.8GB in the beginning and 2.3GB in the end (delta: -494.9MB). Free memory was 1.4GB in the beginning and 975.6MB in the end (delta: 443.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:06:50,372 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 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.65ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 39.1MB in the end (delta: 48.3MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 980.44ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 39.1MB in the beginning and 101.1MB in the end (delta: -62.0MB). Peak memory consumption was 319.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1064.03ms. Allocated memory was 369.1MB in the beginning and 897.6MB in the end (delta: 528.5MB). Free memory was 101.1MB in the beginning and 557.0MB in the end (delta: -455.9MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. * RCFGBuilder took 36685.59ms. Allocated memory was 897.6MB in the beginning and 2.8GB in the end (delta: 1.9GB). Free memory was 557.0MB in the beginning and 1.4GB in the end (delta: -862.2MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 266066.24ms. Allocated memory was 2.8GB in the beginning and 2.3GB in the end (delta: -494.9MB). Free memory was 1.4GB in the beginning and 975.6MB in the end (delta: 443.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:06:50,584 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 03:06:50,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/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 303ec4e55cff11668adbb757d7bc21a419b4a5a3b196481038c6071b2c29ac11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:06:52,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:06:52,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:06:52,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:06:52,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:06:52,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:06:52,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:06:52,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:06:52,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:06:52,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:06:52,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:06:52,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:06:52,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:06:52,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:06:52,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:06:52,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:06:52,580 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:06:52,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:06:52,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:06:52,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:06:52,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:06:52,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:06:52,580 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:06:52,580 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:52,580 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:06:52,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:06:52,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:06:52,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:06:52,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:06:52,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:06:52,581 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:06:52,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:06:52,581 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:06:52,581 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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/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 -> 303ec4e55cff11668adbb757d7bc21a419b4a5a3b196481038c6071b2c29ac11 [2024-12-06 03:06:52,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:06:52,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:06:52,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:06:52,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:06:52,826 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:06:52,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c [2024-12-06 03:06:55,534 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/data/475400219/f4aa0d21c1954c759cd7f90f10b75a78/FLAG7e1915e8d [2024-12-06 03:06:55,857 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:06:55,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c [2024-12-06 03:06:55,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/data/475400219/f4aa0d21c1954c759cd7f90f10b75a78/FLAG7e1915e8d [2024-12-06 03:06:55,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/data/475400219/f4aa0d21c1954c759cd7f90f10b75a78 [2024-12-06 03:06:55,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:06:55,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:06:55,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:06:55,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:06:55,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:06:55,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fc91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55, skipping insertion in model container [2024-12-06 03:06:55,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:06:56,132 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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c[1176,1189] [2024-12-06 03:06:56,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:06:56,453 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:06:56,463 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_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c[1176,1189] [2024-12-06 03:06:56,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:06:56,672 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:06:56,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56 WrapperNode [2024-12-06 03:06:56,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:06:56,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:06:56,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:06:56,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:06:56,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,854 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3229 [2024-12-06 03:06:56,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:06:56,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:06:56,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:06:56,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:06:56,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,927 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,945 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:06:56,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:06:56,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:06:56,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:06:56,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:56" (1/1) ... [2024-12-06 03:06:56,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:06:56,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:06:57,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:06:57,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:06:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:06:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:06:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:06:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:06:57,514 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:06:57,516 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:07:08,577 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-12-06 03:07:08,577 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:07:08,700 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:07:08,700 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:07:08,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:07:08 BoogieIcfgContainer [2024-12-06 03:07:08,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:07:08,701 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:07:08,701 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:07:08,710 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:07:08,710 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:07:08" (1/1) ... [2024-12-06 03:07:08,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:07:08,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:07:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:07:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:07:08,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:08,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:08,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:08,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:08,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:07:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:09,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:09,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:07:09,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:10,027 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 03:07:10,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:07:14,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:07:14,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:14,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:07:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:07:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:07:14,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:14,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:14,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:14,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:14,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2557467-1097-4d29-bf7f-cf4d9e6ca7d2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:07:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:17,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:17,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 03:07:17,652 INFO L279 TraceCheckSpWp]: Computing forward predicates...