./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9 --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 938b45394f167b02b6641a169b7e269743edc08fb790c816782c5b1efcaf2cca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:15:52,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:15:52,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:15:52,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:15:52,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:15:52,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:15:52,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:15:52,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:15:52,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:15:52,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:15:52,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:15:52,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:15:52,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:15:52,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:15:52,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:15:52,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:15:52,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:15:52,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:15:52,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:15:52,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:15:52,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:15:52,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:15:52,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:15:52,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:15:52,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:15:52,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:15:52,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:15:52,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:15:52,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:15:52,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:15:52,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 938b45394f167b02b6641a169b7e269743edc08fb790c816782c5b1efcaf2cca [2023-12-02 21:15:52,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:15:52,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:15:52,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:15:52,733 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:15:52,734 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:15:52,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c [2023-12-02 21:15:55,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:15:56,131 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:15:56,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c [2023-12-02 21:15:56,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/data/95300456b/df165d320fbb4e9187a54904af208b25/FLAG3bf317a05 [2023-12-02 21:15:56,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/data/95300456b/df165d320fbb4e9187a54904af208b25 [2023-12-02 21:15:56,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:15:56,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:15:56,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:15:56,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:15:56,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:15:56,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133ce8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:56, skipping insertion in model container [2023-12-02 21:15:56,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:15:56" (1/1) ... [2023-12-02 21:15:56,514 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:15:56,836 WARN L240 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_29a0828a-9640-458a-b55b-d2e3255e33ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c[1182,1195] [2023-12-02 21:15:58,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:15:58,422 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:15:58,432 WARN L240 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_29a0828a-9640-458a-b55b-d2e3255e33ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c[1182,1195] [2023-12-02 21:15:59,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:15:59,720 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:15:59,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59 WrapperNode [2023-12-02 21:15:59,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:15:59,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:15:59,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:15:59,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:15:59,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:00,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:04,411 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78352 [2023-12-02 21:16:04,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:04,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:04,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:04,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:04,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:04,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:05,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:05,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:06,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:07,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:07,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:07,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:08,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:08,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:08,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:08,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:08,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:15:59" (1/1) ... [2023-12-02 21:16:08,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:08,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:08,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:08,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:16:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:11,245 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:11,247 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:44,206 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:21:09,166 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:21:09,166 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:21:09,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:09 BoogieIcfgContainer [2023-12-02 21:21:09,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:21:09,169 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:21:09,169 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:21:09,177 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:21:09,177 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:09" (1/1) ... [2023-12-02 21:21:09,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:21:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:21:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:21:09,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:21:09,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:09,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:21:13,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:21:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:21:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:21:31,848 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:488) 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) [2023-12-02 21:21:31,852 INFO L158 Benchmark]: Toolchain (without parser) took 335635.23ms. Allocated memory was 161.5MB in the beginning and 15.7GB in the end (delta: 15.5GB). Free memory was 90.2MB in the beginning and 10.8GB in the end (delta: -10.7GB). Peak memory consumption was 4.8GB. Max. memory is 16.1GB. [2023-12-02 21:21:31,852 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 161.5MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:21:31,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3503.80ms. Allocated memory was 161.5MB in the beginning and 578.8MB in the end (delta: 417.3MB). Free memory was 90.2MB in the beginning and 178.6MB in the end (delta: -88.4MB). Peak memory consumption was 353.2MB. Max. memory is 16.1GB. [2023-12-02 21:21:31,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 4690.35ms. Allocated memory was 578.8MB in the beginning and 9.0GB in the end (delta: 8.4GB). Free memory was 178.6MB in the beginning and 7.7GB in the end (delta: -7.5GB). Peak memory consumption was 999.3MB. Max. memory is 16.1GB. [2023-12-02 21:21:31,855 INFO L158 Benchmark]: Boogie Preprocessor took 4264.51ms. Allocated memory is still 9.0GB. Free memory was 7.7GB in the beginning and 7.3GB in the end (delta: 410.0MB). Peak memory consumption was 720.4MB. Max. memory is 16.1GB. [2023-12-02 21:21:31,855 INFO L158 Benchmark]: RCFGBuilder took 300490.59ms. Allocated memory was 9.0GB in the beginning and 15.7GB in the end (delta: 6.7GB). Free memory was 7.3GB in the beginning and 10.7GB in the end (delta: -3.4GB). Peak memory consumption was 6.1GB. Max. memory is 16.1GB. [2023-12-02 21:21:31,856 INFO L158 Benchmark]: CodeCheck took 22680.65ms. Allocated memory is still 15.7GB. Free memory was 10.7GB in the beginning and 10.8GB in the end (delta: -87.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:21:31,859 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 161.5MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3503.80ms. Allocated memory was 161.5MB in the beginning and 578.8MB in the end (delta: 417.3MB). Free memory was 90.2MB in the beginning and 178.6MB in the end (delta: -88.4MB). Peak memory consumption was 353.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4690.35ms. Allocated memory was 578.8MB in the beginning and 9.0GB in the end (delta: 8.4GB). Free memory was 178.6MB in the beginning and 7.7GB in the end (delta: -7.5GB). Peak memory consumption was 999.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 4264.51ms. Allocated memory is still 9.0GB. Free memory was 7.7GB in the beginning and 7.3GB in the end (delta: 410.0MB). Peak memory consumption was 720.4MB. Max. memory is 16.1GB. * RCFGBuilder took 300490.59ms. Allocated memory was 9.0GB in the beginning and 15.7GB in the end (delta: 6.7GB). Free memory was 7.3GB in the beginning and 10.7GB in the end (delta: -3.4GB). Peak memory consumption was 6.1GB. Max. memory is 16.1GB. * CodeCheck took 22680.65ms. Allocated memory is still 15.7GB. Free memory was 10.7GB in the beginning and 10.8GB in the end (delta: -87.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:21:32,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9 --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 938b45394f167b02b6641a169b7e269743edc08fb790c816782c5b1efcaf2cca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:21:34,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:21:34,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:21:34,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:21:34,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:21:34,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:21:34,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:21:34,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:21:34,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:21:34,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:21:34,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:21:34,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:21:34,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:21:34,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:21:34,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:21:34,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:21:34,596 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:21:34,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:21:34,597 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:21:34,597 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:21:34,598 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:21:34,598 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:21:34,599 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:34,599 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:21:34,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:21:34,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:21:34,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:21:34,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:21:34,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:21:34,602 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:21:34,602 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:34,603 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:21:34,603 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:21:34,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:21:34,604 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 938b45394f167b02b6641a169b7e269743edc08fb790c816782c5b1efcaf2cca [2023-12-02 21:21:34,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:21:34,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:21:34,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:21:34,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:21:34,901 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:21:34,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c [2023-12-02 21:21:37,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:21:38,302 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:21:38,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c [2023-12-02 21:21:38,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/data/ff0dd0e46/68c9b42663a44d82aac6e9f725c2a0b5/FLAGa2c05fe0c [2023-12-02 21:21:38,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/data/ff0dd0e46/68c9b42663a44d82aac6e9f725c2a0b5 [2023-12-02 21:21:38,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:21:38,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:21:38,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:21:38,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:21:38,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:21:38,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:38" (1/1) ... [2023-12-02 21:21:38,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118774dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:38, skipping insertion in model container [2023-12-02 21:21:38,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:21:38" (1/1) ... [2023-12-02 21:21:38,648 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:21:38,991 WARN L240 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_29a0828a-9640-458a-b55b-d2e3255e33ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c[1182,1195] [2023-12-02 21:21:40,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:21:40,369 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:21:40,381 WARN L240 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_29a0828a-9640-458a-b55b-d2e3255e33ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-func-interl.c[1182,1195] [2023-12-02 21:21:41,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:21:41,268 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:21:41,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41 WrapperNode [2023-12-02 21:21:41,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:21:41,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:21:41,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:21:41,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:21:41,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:41,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:41,954 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21703 [2023-12-02 21:21:41,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:21:41,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:21:41,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:21:41,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:21:41,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:41,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:42,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:42,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:42,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:42,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:42,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:42,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:42,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:21:42,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:21:42,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:21:42,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:21:42,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:21:41" (1/1) ... [2023-12-02 21:21:42,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:21:42,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:21:42,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:21:42,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:21:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:21:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:21:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:21:42,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:21:45,097 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:21:45,099 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:26:37,001 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:26:37,745 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:26:37,746 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:26:37,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:37 BoogieIcfgContainer [2023-12-02 21:26:37,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:26:37,748 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:26:37,748 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:26:37,756 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:26:37,756 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:26:37" (1/1) ... [2023-12-02 21:26:37,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:26:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:26:37,809 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:26:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:26:37,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:37,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:26:37,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:26:37,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:26:37,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:26:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:42,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:26:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:43,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:26:43,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:43,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:26:55,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:27:00,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:27:00,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:27:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:27:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:27:00,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:00,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:27:00,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:27:00,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:27:00,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a0828a-9640-458a-b55b-d2e3255e33ad/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:27:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:16,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:27:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:21,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 18258 conjuncts, 470 conjunts are in the unsatisfiable core [2023-12-02 21:27:22,015 INFO L285 TraceCheckSpWp]: Computing forward predicates...