./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.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_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3 --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 d2bc2a3f53718ecf47344b6d9b2d76a5698712f748ff03cd831a90a334f72c9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:32:48,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:32:48,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:32:48,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:32:48,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:32:48,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:32:48,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:32:48,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:32:48,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:32:48,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:32:48,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:32:48,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:32:48,602 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:32:48,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:32:48,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:32:48,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:32:48,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:32:48,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:32:48,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:32:48,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:32:48,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:32:48,603 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:32:48,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:32:48,603 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:32:48,603 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:32:48,603 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:32:48,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:32:48,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:48,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:32:48,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:32:48,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:32:48,604 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:32:48,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:32:48,605 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_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3 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 -> d2bc2a3f53718ecf47344b6d9b2d76a5698712f748ff03cd831a90a334f72c9d [2024-11-25 02:32:48,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:32:48,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:32:48,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:32:48,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:32:48,918 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:32:48,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c [2024-11-25 02:32:51,936 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/data/af609dad8/aa6705ff14c3443abbe62107040fe3a0/FLAGdc46a88d3 [2024-11-25 02:32:52,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:32:52,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c [2024-11-25 02:32:52,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/data/af609dad8/aa6705ff14c3443abbe62107040fe3a0/FLAGdc46a88d3 [2024-11-25 02:32:52,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/data/af609dad8/aa6705ff14c3443abbe62107040fe3a0 [2024-11-25 02:32:52,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:32:52,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:32:52,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:52,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:32:52,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:32:52,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6debe49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52, skipping insertion in model container [2024-11-25 02:32:52,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:32:52,472 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_03a4d263-b20b-4236-b7e4-4444d7264dd7/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c[537,550] [2024-11-25 02:32:52,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:52,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:32:52,507 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_03a4d263-b20b-4236-b7e4-4444d7264dd7/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c[537,550] [2024-11-25 02:32:52,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:52,525 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:32:52,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52 WrapperNode [2024-11-25 02:32:52,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:52,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:52,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:32:52,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:32:52,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,555 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-25 02:32:52,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:52,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:32:52,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:32:52,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:32:52,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,567 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:32:52,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:32:52,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:32:52,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:32:52,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:52,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:32:52,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:32:52,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:32:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:32:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:32:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:32:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:32:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:32:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:32:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:32:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:32:52,720 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:32:52,722 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:32:52,852 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 02:32:52,852 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:32:52,898 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:32:52,899 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:32:52,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:52 BoogieIcfgContainer [2024-11-25 02:32:52,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:32:52,900 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:32:52,900 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:32:52,911 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:32:52,911 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:52" (1/1) ... [2024-11-25 02:32:52,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:32:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:52,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 02:32:52,972 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 02:32:52,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:32:52,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:52,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:53,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:32:53,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:32:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:53,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-25 02:32:53,405 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-25 02:32:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:32:53,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:53,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:32:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-25 02:32:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-25 02:32:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:32:53,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:32:54,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:54,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-25 02:32:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-25 02:32:54,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:32:54,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:54,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:54,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 02:32:54,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:55,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:32:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 48 transitions. [2024-11-25 02:32:56,545 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-25 02:32:56,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:32:56,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:56,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:56,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-25 02:32:56,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:32:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:58,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 53 transitions. [2024-11-25 02:32:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-11-25 02:32:58,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:32:58,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:58,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:32:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:58,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:32:58,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:33:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:00,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 57 transitions. [2024-11-25 02:33:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-25 02:33:00,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:33:00,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:00,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:33:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:00,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 02:33:00,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:33:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 02:33:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 59 transitions. [2024-11-25 02:33:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2024-11-25 02:33:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 02:33:01,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 02:33:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 22 states and 27 transitions. [2024-11-25 02:33:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-25 02:33:03,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:33:03,442 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-25 02:33:03,459 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:33:03,639 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:33:03,640 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~a~0#1| 2) (<= 0 |ULTIMATE.start_main_~a~0#1|)) [2024-11-25 02:33:03,640 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: true [2024-11-25 02:33:03,640 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: true [2024-11-25 02:33:03,640 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~a~0#1| 2) (<= 0 |ULTIMATE.start_main_~a~0#1|)) [2024-11-25 02:33:03,640 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-25 02:33:03,640 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:33:03,640 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 45) the Hoare annotation is: true [2024-11-25 02:33:03,640 INFO L77 FloydHoareUtils]: At program point L34-3(lines 34 45) the Hoare annotation is: true [2024-11-25 02:33:03,640 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~b~0#1|) [2024-11-25 02:33:03,640 INFO L77 FloydHoareUtils]: At program point L35(lines 34 45) the Hoare annotation is: true [2024-11-25 02:33:03,641 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 11) the Hoare annotation is: true [2024-11-25 02:33:03,641 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 9 11) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-25 02:33:03,641 INFO L77 FloydHoareUtils]: At program point L14(lines 14 15) the Hoare annotation is: true [2024-11-25 02:33:03,641 INFO L77 FloydHoareUtils]: At program point L13(lines 13 16) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (<= 1 __VERIFIER_assert_~cond))) [2024-11-25 02:33:03,641 INFO L77 FloydHoareUtils]: At program point L13-2(lines 12 18) the Hoare annotation is: true [2024-11-25 02:33:03,641 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 12 18) the Hoare annotation is: true [2024-11-25 02:33:03,641 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 18) the Hoare annotation is: true [2024-11-25 02:33:03,641 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: true [2024-11-25 02:33:03,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:33:03 ImpRootNode [2024-11-25 02:33:03,656 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:33:03,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:33:03,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:33:03,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:33:03,658 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:52" (3/4) ... [2024-11-25 02:33:03,660 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:33:03,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-25 02:33:03,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 02:33:03,666 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-25 02:33:03,666 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 02:33:03,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:33:03,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:33:03,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:33:03,738 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:33:03,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:33:03,739 INFO L158 Benchmark]: Toolchain (without parser) took 11478.20ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 93.1MB in the beginning and 54.8MB in the end (delta: 38.4MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-11-25 02:33:03,739 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:33:03,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.88ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:33:03,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.22ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:33:03,740 INFO L158 Benchmark]: Boogie Preprocessor took 18.01ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 797.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:33:03,740 INFO L158 Benchmark]: RCFGBuilder took 324.57ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.9MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:33:03,744 INFO L158 Benchmark]: CodeCheck took 10756.11ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 67.9MB in the beginning and 60.0MB in the end (delta: 8.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-25 02:33:03,744 INFO L158 Benchmark]: Witness Printer took 81.02ms. Allocated memory is still 142.6MB. Free memory was 60.0MB in the beginning and 54.8MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:33:03,746 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 375 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 206 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 324 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 802 IncrementalHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 324 mSolverCounterUnsat, 172 mSDtfsCounter, 802 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1625 GetRequests, 1506 SyntacticMatches, 31 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2998 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 192 ConstructedInterpolants, 1 QuantifiedInterpolants, 886 SizeOfPredicates, 6 NumberOfNonLiveVariables, 391 ConjunctsInSsa, 113 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 90/116 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.88ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.22ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.01ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 797.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.57ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.9MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10756.11ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 67.9MB in the beginning and 60.0MB in the end (delta: 8.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 81.02ms. Allocated memory is still 142.6MB. Free memory was 60.0MB in the beginning and 54.8MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:33:03,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a4d263-b20b-4236-b7e4-4444d7264dd7/bin/ukojak-verify-ENZ3QT5qd3/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: TRUE