./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 21:45:42,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:45:42,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:45:42,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:45:42,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:45:42,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:45:42,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:45:42,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:45:42,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:45:42,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:45:42,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:45:42,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:45:42,737 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:45:42,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:45:42,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:45:42,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:45:42,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:45:42,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:45:42,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:45:42,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:45:42,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:45:42,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:45:42,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:45:42,741 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:45:42,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:45:42,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:45:42,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:45:42,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:45:42,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:45:42,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:45:42,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:45:42,742 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:45:42,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:45:42,742 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_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:45:43,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:45:43,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:45:43,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:45:43,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:45:43,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:45:43,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c Unable to find full path for "g++" [2024-11-13 21:45:45,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:45:45,391 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:45:45,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2024-11-13 21:45:45,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/data/954d5fe7c/d6bd7911d4244db58e21538b673ff209/FLAGc13bc5455 [2024-11-13 21:45:45,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/data/954d5fe7c/d6bd7911d4244db58e21538b673ff209 [2024-11-13 21:45:45,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:45:45,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:45:45,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:45:45,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:45:45,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:45:45,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d55a11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45, skipping insertion in model container [2024-11-13 21:45:45,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:45:45,599 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_ed43b974-c66f-451f-b198-612b951718f5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2024-11-13 21:45:45,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:45:45,631 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:45:45,641 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_ed43b974-c66f-451f-b198-612b951718f5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2024-11-13 21:45:45,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:45:45,663 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:45:45,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45 WrapperNode [2024-11-13 21:45:45,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:45:45,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:45:45,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:45:45,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:45:45,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,697 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-13 21:45:45,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:45:45,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:45:45,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:45:45,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:45:45,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:45:45,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:45:45,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:45:45,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:45:45,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:45:45" (1/1) ... [2024-11-13 21:45:45,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:45:45,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:45:45,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:45:45,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:45:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:45:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:45:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:45:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:45:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:45:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:45:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:45:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:45:45,883 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:45:45,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:45:46,138 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:45:46,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:45:46,169 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:45:46,169 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:45:46,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:46 BoogieIcfgContainer [2024-11-13 21:45:46,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:45:46,171 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:45:46,171 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:45:46,181 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:45:46,182 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:45:46" (1/1) ... [2024-11-13 21:45:46,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:45:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 21:45:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 21:45:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:45:46,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:46,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:45:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 21:45:46,511 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 21:45:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:45:46,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:46,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:45:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:46,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:45:46,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:45:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:45:47,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-13 21:45:47,028 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-13 21:45:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:45:47,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:47,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:45:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-11-13 21:45:47,595 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-13 21:45:47,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:45:47,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:47,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:45:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:45:58,053 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:45:58,057 INFO L158 Benchmark]: Toolchain (without parser) took 12635.88ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 64.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-13 21:45:58,057 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:58,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.63ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:45:58,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.22ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:58,059 INFO L158 Benchmark]: Boogie Preprocessor took 21.47ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.4MB in the end (delta: 759.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:45:58,059 INFO L158 Benchmark]: RCFGBuilder took 449.60ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 66.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:45:58,059 INFO L158 Benchmark]: CodeCheck took 11885.13ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 64.6MB in the end (delta: 2.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-13 21:45:58,062 INFO L338 ainManager$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 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.63ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.22ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.47ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.4MB in the end (delta: 759.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 449.60ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 66.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11885.13ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 64.6MB in the end (delta: 2.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:45:58,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/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_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 21:46:00,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:46:00,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:46:00,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:46:00,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:46:00,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:46:00,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:46:00,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:46:00,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:46:00,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:46:00,925 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:46:00,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:46:00,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:46:00,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:46:00,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:46:00,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:46:00,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:46:00,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:46:00,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:46:00,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:46:00,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:46:00,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:46:00,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:46:00,928 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:46:00,928 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:46:00,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:46:00,928 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:00,928 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:46:00,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:46:00,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:46:00,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:46:00,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:46:00,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:46:00,929 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:46:00,929 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:00,930 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:46:00,930 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_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:46:01,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:46:01,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:46:01,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:46:01,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:46:01,260 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:46:01,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c Unable to find full path for "g++" [2024-11-13 21:46:03,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:46:03,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:46:03,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2024-11-13 21:46:03,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/data/fb287d83f/a02397154b1b47778b104dc1433aa23a/FLAGfe09994f2 [2024-11-13 21:46:03,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/data/fb287d83f/a02397154b1b47778b104dc1433aa23a [2024-11-13 21:46:03,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:46:03,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:46:03,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:46:03,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:46:03,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:46:03,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464003e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03, skipping insertion in model container [2024-11-13 21:46:03,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:46:03,712 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_ed43b974-c66f-451f-b198-612b951718f5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2024-11-13 21:46:03,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:46:03,757 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:46:03,774 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_ed43b974-c66f-451f-b198-612b951718f5/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2024-11-13 21:46:03,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:46:03,819 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:46:03,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03 WrapperNode [2024-11-13 21:46:03,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:46:03,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:46:03,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:46:03,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:46:03,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,869 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-13 21:46:03,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:46:03,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:46:03,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:46:03,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:46:03,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:46:03,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:46:03,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:46:03,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:46:03,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:03" (1/1) ... [2024-11-13 21:46:03,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:46:03,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:46:03,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:46:03,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:46:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:46:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:46:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:46:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:46:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:46:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:46:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:46:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:46:04,066 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:46:04,068 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:46:04,358 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:46:04,359 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:46:04,422 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:46:04,424 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:46:04,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:46:04 BoogieIcfgContainer [2024-11-13 21:46:04,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:46:04,426 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:46:04,426 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:46:04,439 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:46:04,439 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:46:04" (1/1) ... [2024-11-13 21:46:04,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:46:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 21:46:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 21:46:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:46:04,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:04,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:04,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:46:04,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:46:04,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:46:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:04,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:46:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:04,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:46:04,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:46:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:46:04,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:46:04,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 21:46:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 21:46:04,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:46:04,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:04,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:04,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:46:04,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:46:04,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:46:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:04,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:46:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:46:15,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:46:15,173 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:46:15,180 INFO L158 Benchmark]: Toolchain (without parser) took 11670.89ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 53.9MB in the end (delta: 7.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-13 21:46:15,181 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:46:15,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.80ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 49.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:46:15,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.32ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:46:15,182 INFO L158 Benchmark]: Boogie Preprocessor took 43.70ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:46:15,185 INFO L158 Benchmark]: RCFGBuilder took 508.74ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 32.7MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:46:15,185 INFO L158 Benchmark]: CodeCheck took 10752.83ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 53.9MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:46:15,188 INFO L338 ainManager$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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.80ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 49.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.32ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.70ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 508.74ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 32.7MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10752.83ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 53.9MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:46:15,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed43b974-c66f-451f-b198-612b951718f5/bin/ukojak-verify-EEHR8qb7sm/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