./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/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 d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:18:15,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:18:15,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:18:15,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:18:15,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:18:15,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:18:15,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:18:15,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:18:15,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:18:15,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:18:15,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:18:15,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:18:15,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:18:15,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:18:15,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:18:15,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:18:15,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:18:15,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:18:15,543 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:18:15,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:18:15,543 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:18:15,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:18:15,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:18:15,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:18:15,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:18:15,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:18:15,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:18:15,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:18:15,544 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:18:15,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:18:15,544 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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/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 -> d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 [2024-12-05 23:18:15,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:18:15,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:18:15,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:18:15,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:18:15,802 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:18:15,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c [2024-12-05 23:18:18,452 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/data/f5d038d3f/726841946c5a49b4ad4b8c320392fa04/FLAG4781545de [2024-12-05 23:18:18,679 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:18:18,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c [2024-12-05 23:18:18,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/data/f5d038d3f/726841946c5a49b4ad4b8c320392fa04/FLAG4781545de [2024-12-05 23:18:19,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/data/f5d038d3f/726841946c5a49b4ad4b8c320392fa04 [2024-12-05 23:18:19,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:18:19,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:18:19,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:18:19,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:18:19,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:18:19,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a34a5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19, skipping insertion in model container [2024-12-05 23:18:19,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:18:19,170 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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-12-05 23:18:19,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:18:19,303 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:18:19,311 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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-12-05 23:18:19,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:18:19,407 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:18:19,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19 WrapperNode [2024-12-05 23:18:19,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:18:19,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:18:19,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:18:19,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:18:19,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,623 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1948 [2024-12-05 23:18:19,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:18:19,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:18:19,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:18:19,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:18:19,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,717 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:18:19,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:18:19,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:18:19,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:18:19,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:18:19" (1/1) ... [2024-12-05 23:18:19,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:18:19,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:18:19,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:18:19,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:18:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:18:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:18:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:18:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:18:20,039 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:18:20,040 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:18:22,159 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-12-05 23:18:22,159 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:18:24,376 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:18:24,377 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:18:24,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:18:24 BoogieIcfgContainer [2024-12-05 23:18:24,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:18:24,378 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:18:24,378 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:18:24,387 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:18:24,388 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:18:24" (1/1) ... [2024-12-05 23:18:24,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:18:24,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:24,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:18:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:18:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:18:24,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:24,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:25,850 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 23:18:35,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:18:45,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:18:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:18:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:18:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:18:46,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:46,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:18:52,556 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:18:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:19:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:19:08,327 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 23:19:08,331 INFO L158 Benchmark]: Toolchain (without parser) took 49310.91ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 116.1MB in the beginning and 632.5MB in the end (delta: -516.4MB). Peak memory consumption was 523.8MB. Max. memory is 16.1GB. [2024-12-05 23:19:08,331 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:19:08,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.90ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 86.2MB in the end (delta: 29.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:19:08,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.71ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 87.5MB in the end (delta: -1.3MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-12-05 23:19:08,332 INFO L158 Benchmark]: Boogie Preprocessor took 193.82ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 71.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:19:08,332 INFO L158 Benchmark]: RCFGBuilder took 4558.62ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 71.2MB in the beginning and 311.9MB in the end (delta: -240.7MB). Peak memory consumption was 260.9MB. Max. memory is 16.1GB. [2024-12-05 23:19:08,333 INFO L158 Benchmark]: CodeCheck took 43952.32ms. Allocated memory was 427.8MB in the beginning and 1.2GB in the end (delta: 755.0MB). Free memory was 311.9MB in the beginning and 632.5MB in the end (delta: -320.6MB). Peak memory consumption was 434.3MB. Max. memory is 16.1GB. [2024-12-05 23:19:08,334 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 0.26ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.90ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 86.2MB in the end (delta: 29.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.71ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 87.5MB in the end (delta: -1.3MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 193.82ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 71.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4558.62ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 71.2MB in the beginning and 311.9MB in the end (delta: -240.7MB). Peak memory consumption was 260.9MB. Max. memory is 16.1GB. * CodeCheck took 43952.32ms. Allocated memory was 427.8MB in the beginning and 1.2GB in the end (delta: 755.0MB). Free memory was 311.9MB in the beginning and 632.5MB in the end (delta: -320.6MB). Peak memory consumption was 434.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:19:08,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/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 d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:19:10,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:19:10,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:19:10,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:19:10,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:19:10,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:19:10,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:19:10,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:19:10,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:19:10,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:19:10,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:19:10,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:19:10,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:19:10,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:19:10,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:19:10,497 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:19:10,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:19:10,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:19:10,498 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:19:10,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:19:10,498 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:19:10,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:19:10,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:19:10,498 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:10,499 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:19:10,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:19:10,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:19:10,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:19:10,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:19:10,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:19:10,500 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:19:10,500 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:10,500 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:19:10,500 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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/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 -> d40980d2c8614c94b54cd9b1a78f16d5c08e5a02579fe7ca6623a61adbb8dfb6 [2024-12-05 23:19:10,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:19:10,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:19:10,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:19:10,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:19:10,757 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:19:10,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c [2024-12-05 23:19:13,452 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/data/954762f36/74f3b352b82f488dbf86a43df034a2c6/FLAGc96bee5e3 [2024-12-05 23:19:13,664 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:19:13,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c [2024-12-05 23:19:13,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/data/954762f36/74f3b352b82f488dbf86a43df034a2c6/FLAGc96bee5e3 [2024-12-05 23:19:13,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/data/954762f36/74f3b352b82f488dbf86a43df034a2c6 [2024-12-05 23:19:13,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:19:13,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:19:13,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:19:13,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:19:13,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:19:13,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:19:13" (1/1) ... [2024-12-05 23:19:13,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5bbaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:13, skipping insertion in model container [2024-12-05 23:19:13,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:19:13" (1/1) ... [2024-12-05 23:19:13,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:19:13,856 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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-12-05 23:19:13,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:19:13,985 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:19:13,993 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_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.1.prop1-back-serstep.c[1174,1187] [2024-12-05 23:19:14,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:19:14,067 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:19:14,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14 WrapperNode [2024-12-05 23:19:14,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:19:14,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:19:14,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:19:14,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:19:14,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,124 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 572 [2024-12-05 23:19:14,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:19:14,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:19:14,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:19:14,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:19:14,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,155 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:19:14,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:19:14,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:19:14,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:19:14,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:19:14,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:19:14,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:19:14,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:19:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:19:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:19:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:19:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:19:14,365 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:19:14,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:19:14,935 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-12-05 23:19:14,935 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:19:14,977 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:19:14,977 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:19:14,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:19:14 BoogieIcfgContainer [2024-12-05 23:19:14,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:19:14,978 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:19:14,978 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:19:14,987 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:19:14,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:19:14" (1/1) ... [2024-12-05 23:19:14,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:19:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:19:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:19:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:19:15,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:15,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:15,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:15,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:15,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:19:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:15,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:15,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:19:15,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:15,485 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 23:19:15,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:19:15,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:19:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:19:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:19:15,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:15,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:15,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:15,637 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:15,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6211b-0b1d-426c-b8b4-ff4c9bbc66d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:19:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:16,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:16,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 23:19:16,236 INFO L279 TraceCheckSpWp]: Computing forward predicates...