./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:37:07,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:37:07,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:37:07,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:37:07,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:37:07,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:37:07,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:37:07,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:37:07,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:37:07,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:37:07,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:37:07,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:37:07,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:37:07,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:37:07,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:37:07,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:37:07,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:37:07,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:37:07,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:37:07,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:37:07,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:37:07,219 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:37:07,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:37:07,219 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:37:07,219 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:37:07,220 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:37:07,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:37:07,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:37:07,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:37:07,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:37:07,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:37:07,220 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:37:07,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:37:07,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 [2024-12-06 00:37:07,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:37:07,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:37:07,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:37:07,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:37:07,427 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:37:07,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2024-12-06 00:37:10,076 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/data/4e058d6be/ee42043bc5ca41dea351001d1d6deadc/FLAG7043156b9 [2024-12-06 00:37:10,241 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:37:10,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2024-12-06 00:37:10,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/data/4e058d6be/ee42043bc5ca41dea351001d1d6deadc/FLAG7043156b9 [2024-12-06 00:37:10,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/data/4e058d6be/ee42043bc5ca41dea351001d1d6deadc [2024-12-06 00:37:10,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:37:10,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:37:10,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:37:10,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:37:10,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:37:10,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d250be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10, skipping insertion in model container [2024-12-06 00:37:10,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:37:10,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2024-12-06 00:37:10,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:37:10,447 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:37:10,457 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2024-12-06 00:37:10,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:37:10,477 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:37:10,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10 WrapperNode [2024-12-06 00:37:10,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:37:10,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:37:10,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:37:10,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:37:10,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,507 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 00:37:10,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:37:10,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:37:10,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:37:10,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:37:10,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,520 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:37:10,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:37:10,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:37:10,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:37:10,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:37:10,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:37:10,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:37:10,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:37:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:37:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:37:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:37:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:37:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:37:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:37:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:37:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:37:10,642 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:37:10,643 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:37:10,794 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:37:10,794 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:37:10,818 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:37:10,818 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 00:37:10,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:37:10 BoogieIcfgContainer [2024-12-06 00:37:10,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:37:10,819 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:37:10,819 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:37:10,826 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:37:10,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:37:10" (1/1) ... [2024-12-06 00:37:10,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:37:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 00:37:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 00:37:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:37:10,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:10,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:37:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:37:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 00:37:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 00:37:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:37:11,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:11,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:37:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:37:11,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 47 transitions. [2024-12-06 00:37:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 00:37:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:37:11,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:11,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:37:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:37:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:11,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:37:11,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:37:11,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-12-06 00:37:11,744 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-12-06 00:37:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:37:11,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:37:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:37:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:37:21,805 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:37:21,809 INFO L158 Benchmark]: Toolchain (without parser) took 11544.40ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 63.2MB in the end (delta: 29.8MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-12-06 00:37:21,809 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:21,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.08ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:37:21,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.59ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:21,810 INFO L158 Benchmark]: Boogie Preprocessor took 19.32ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.1MB in the end (delta: 829.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:37:21,810 INFO L158 Benchmark]: RCFGBuilder took 290.54ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 66.2MB in the end (delta: 12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:21,810 INFO L158 Benchmark]: CodeCheck took 10988.47ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.2MB in the end (delta: 2.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-12-06 00:37:21,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.08ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.59ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.32ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.1MB in the end (delta: 829.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 290.54ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 66.2MB in the end (delta: 12.9MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 10988.47ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.2MB in the end (delta: 2.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:37:21,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:37:23,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:37:23,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:37:23,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:37:23,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:37:23,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:37:23,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:37:23,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:37:23,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:37:23,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:37:23,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:37:23,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:37:23,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:37:23,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:37:23,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:37:23,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:37:23,832 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:37:23,832 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:37:23,832 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:37:23,832 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:37:23,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:37:23,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:37:23,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:37:23,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:37:23,833 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:37:23,833 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:37:23,833 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:23,833 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:37:23,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:37:23,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:37:23,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:37:23,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:37:23,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:37:23,833 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:37:23,833 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:23,833 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:37:23,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 [2024-12-06 00:37:24,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:37:24,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:37:24,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:37:24,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:37:24,061 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:37:24,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2024-12-06 00:37:26,683 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/data/29f50c8a1/e4ebe0c5383246bb895a7e830ced0aaf/FLAG7c4941cc9 [2024-12-06 00:37:26,897 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:37:26,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2024-12-06 00:37:26,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/data/29f50c8a1/e4ebe0c5383246bb895a7e830ced0aaf/FLAG7c4941cc9 [2024-12-06 00:37:27,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/data/29f50c8a1/e4ebe0c5383246bb895a7e830ced0aaf [2024-12-06 00:37:27,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:37:27,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:37:27,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:37:27,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:37:27,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:37:27,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2825899e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27, skipping insertion in model container [2024-12-06 00:37:27,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:37:27,401 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2024-12-06 00:37:27,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:37:27,427 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:37:27,437 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2024-12-06 00:37:27,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:37:27,458 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:37:27,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27 WrapperNode [2024-12-06 00:37:27,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:37:27,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:37:27,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:37:27,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:37:27,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,486 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 00:37:27,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:37:27,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:37:27,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:37:27,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:37:27,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,499 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:37:27,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:37:27,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:37:27,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:37:27,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:37:27,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:37:27,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:37:27,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:37:27,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:37:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:37:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:37:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:37:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:37:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:37:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:37:27,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:37:27,603 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:37:27,604 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:37:27,756 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:37:27,756 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:37:27,782 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:37:27,782 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 00:37:27,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:37:27 BoogieIcfgContainer [2024-12-06 00:37:27,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:37:27,783 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:37:27,783 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:37:27,790 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:37:27,790 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:37:27" (1/1) ... [2024-12-06 00:37:27,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:37:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 00:37:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 00:37:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:37:27,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:27,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:27,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:27,844 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:27,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:37:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:27,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:27,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:37:27,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:37:27,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:37:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 00:37:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 00:37:27,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:37:27,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:27,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:27,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:28,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:28,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:37:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:28,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:28,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 00:37:28,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:37:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:37:28,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:37:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:37:28,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-12-06 00:37:28,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 00:37:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:37:28,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:37:28,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:37:28,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:37:28,390 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:37:28,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:37:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:37:28,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:37:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:37:38,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:37:38,782 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:37:38,786 INFO L158 Benchmark]: Toolchain (without parser) took 11512.47ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 42.2MB in the end (delta: 28.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-12-06 00:37:38,786 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:38,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.32ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:37:38,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.01ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:37:38,787 INFO L158 Benchmark]: Boogie Preprocessor took 19.94ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.9MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:37:38,787 INFO L158 Benchmark]: RCFGBuilder took 275.23ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 42.1MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:37:38,788 INFO L158 Benchmark]: CodeCheck took 11001.88ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 42.2MB in the end (delta: -85.8kB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-12-06 00:37:38,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.32ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.01ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.94ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.9MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 275.23ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 42.1MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11001.88ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 42.2MB in the end (delta: -85.8kB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:37:38,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25380913-033c-4ff1-bab7-ca303e0172f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown