./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL --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 32bit --witnessprinter.graph.data.programhash 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:06,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:06,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:44:06,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:06,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:06,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:06,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:06,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:06,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:06,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:06,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:06,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:06,430 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:44:06,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:06,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:44:06,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:06,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:06,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:06,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:06,434 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:44:06,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:06,435 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:06,436 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:06,436 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:06,437 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:06,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:06,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:06,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:06,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:06,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:06,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:06,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:06,442 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:06,442 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_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 [2023-11-19 02:44:06,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:06,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:06,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:06,796 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:06,796 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:06,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-11-19 02:44:09,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:10,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:10,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-11-19 02:44:10,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/data/6f13770d6/dabba973a9fb4a1f9b593245cbc0cbde/FLAG2fce58262 [2023-11-19 02:44:10,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/data/6f13770d6/dabba973a9fb4a1f9b593245cbc0cbde [2023-11-19 02:44:10,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:10,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:10,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:10,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:10,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:10,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b841ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10, skipping insertion in model container [2023-11-19 02:44:10,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:10,268 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_40498a00-73dd-4091-8718-73f6f1e0f20a/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2023-11-19 02:44:10,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:10,299 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:10,310 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_40498a00-73dd-4091-8718-73f6f1e0f20a/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2023-11-19 02:44:10,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:10,334 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:10,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10 WrapperNode [2023-11-19 02:44:10,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:10,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:10,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:10,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:10,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,375 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-19 02:44:10,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:10,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:10,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:10,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:10,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:10,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:10,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:10,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:10,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:10,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:10,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:10,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:10,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:10,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:44:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:44:10,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:44:10,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:10,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:44:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:44:10,540 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:10,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:10,738 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:10,765 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:10,765 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:44:10,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:10 BoogieIcfgContainer [2023-11-19 02:44:10,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:10,771 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:10,771 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:10,779 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:10,780 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:10" (1/1) ... [2023-11-19 02:44:10,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-11-19 02:44:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-19 02:44:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:44:10,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:10,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:11,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:44:11,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 02:44:11,115 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 02:44:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:44:11,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:11,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:11,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:44:11,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2023-11-19 02:44:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2023-11-19 02:44:11,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:44:11,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:11,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:11,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:11,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2023-11-19 02:44:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2023-11-19 02:44:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:44:12,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:12,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:44:22,148 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) [2023-11-19 02:44:22,152 INFO L158 Benchmark]: Toolchain (without parser) took 12082.25ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 112.2MB in the beginning and 118.4MB in the end (delta: -6.2MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-19 02:44:22,153 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:22,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.94ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 101.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:44:22,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.27ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 99.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:44:22,155 INFO L158 Benchmark]: Boogie Preprocessor took 26.43ms. Allocated memory is still 151.0MB. Free memory was 99.5MB in the beginning and 98.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:44:22,155 INFO L158 Benchmark]: RCFGBuilder took 366.58ms. Allocated memory is still 151.0MB. Free memory was 98.1MB in the beginning and 85.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:44:22,156 INFO L158 Benchmark]: CodeCheck took 11379.89ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 84.4MB in the beginning and 118.4MB in the end (delta: -34.0MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-19 02:44:22,159 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 0.21ms. Allocated memory is still 151.0MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.94ms. Allocated memory is still 151.0MB. Free memory was 111.7MB in the beginning and 101.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.27ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 99.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.43ms. Allocated memory is still 151.0MB. Free memory was 99.5MB in the beginning and 98.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.58ms. Allocated memory is still 151.0MB. Free memory was 98.1MB in the beginning and 85.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 11379.89ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 84.4MB in the beginning and 118.4MB in the end (delta: -34.0MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:44:22,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL --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 32bit --witnessprinter.graph.data.programhash 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:24,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:24,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:44:24,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:24,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:24,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:24,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:24,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:24,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:24,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:24,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:44:24,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:44:24,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:24,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:24,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:24,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:24,935 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:44:24,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:44:24,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:44:24,936 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:44:24,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:24,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:24,937 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:24,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:24,938 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:24,938 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:44:24,939 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:44:24,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:24,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:24,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:24,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:24,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:24,942 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:44:24,943 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:44:24,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:24,943 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:44:24,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:44:24,944 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_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 [2023-11-19 02:44:25,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:25,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:25,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:25,356 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:25,356 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:25,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-11-19 02:44:28,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:28,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:28,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-11-19 02:44:28,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/data/386b3804c/cee0018e75724f4d9884db08e086c1f9/FLAGd2a98237b [2023-11-19 02:44:28,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/data/386b3804c/cee0018e75724f4d9884db08e086c1f9 [2023-11-19 02:44:28,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:28,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:28,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:28,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:28,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:28,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135bb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:28, skipping insertion in model container [2023-11-19 02:44:28,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:28" (1/1) ... [2023-11-19 02:44:28,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:28,947 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_40498a00-73dd-4091-8718-73f6f1e0f20a/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2023-11-19 02:44:28,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:28,981 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:28,996 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_40498a00-73dd-4091-8718-73f6f1e0f20a/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2023-11-19 02:44:29,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:29,020 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:29,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29 WrapperNode [2023-11-19 02:44:29,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:29,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:29,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:29,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:29,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,059 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-19 02:44:29,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:29,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:29,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:29,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:29,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:29,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:29,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:29,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:29,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:29,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:29,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:29,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:29,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:29,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:44:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:44:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:44:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:44:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:44:29,297 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:29,299 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:29,504 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:29,537 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:29,537 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:44:29,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:29 BoogieIcfgContainer [2023-11-19 02:44:29,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:29,543 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:29,543 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:29,554 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:29,555 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-11-19 02:44:29,623 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-19 02:44:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:44:29,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:29,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:44:29,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:44:29,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:44:29,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:44:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:29,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:44:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:29,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:44:29,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:44:29,843 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:44:29,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:44:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:29,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 02:44:29,884 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 02:44:29,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:44:29,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:29,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:44:29,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:44:29,887 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:44:29,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:44:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:30,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:44:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:44:40,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 02:44:40,263 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) [2023-11-19 02:44:40,267 INFO L158 Benchmark]: Toolchain (without parser) took 11544.29ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 41.3MB in the end (delta: 22.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-19 02:44:40,268 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:40,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.08ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 52.4MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:44:40,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.39ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 50.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:44:40,270 INFO L158 Benchmark]: Boogie Preprocessor took 47.70ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 49.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:44:40,274 INFO L158 Benchmark]: RCFGBuilder took 433.10ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 58.9MB in the end (delta: -9.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-19 02:44:40,275 INFO L158 Benchmark]: CodeCheck took 10722.26ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 41.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:44:40,279 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 0.29ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.08ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 52.4MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.39ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 50.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.70ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 49.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 433.10ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 58.9MB in the end (delta: -9.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * CodeCheck took 10722.26ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 41.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:44:40,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40498a00-73dd-4091-8718-73f6f1e0f20a/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown