./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.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_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/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_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/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_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/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 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:20:19,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:20:19,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:20:19,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:20:19,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:20:19,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:20:19,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:20:19,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:20:19,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:20:19,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:20:19,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:20:19,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:20:19,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:20:19,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:20:19,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:20:19,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:20:19,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:20:19,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:20:19,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:20:19,243 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:20:19,243 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:20:19,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:20:19,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:20:19,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:20:19,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:20:19,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:20:19,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:20:19,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:19,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:20:19,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:20:19,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:20:19,244 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:20:19,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:20:19,244 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_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/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 -> 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af [2024-11-13 22:20:19,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:20:19,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:20:19,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:20:19,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:20:19,572 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:20:19,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c Unable to find full path for "g++" [2024-11-13 22:20:21,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:20:21,745 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:20:21,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2024-11-13 22:20:21,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/data/18150f920/7d785eb5a51b4ea7baddc3f1959fc660/FLAG99b073d55 [2024-11-13 22:20:21,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/data/18150f920/7d785eb5a51b4ea7baddc3f1959fc660 [2024-11-13 22:20:21,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:20:21,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:20:21,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:21,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:20:21,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:20:21,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:21" (1/1) ... [2024-11-13 22:20:21,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0411f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:21, skipping insertion in model container [2024-11-13 22:20:21,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:21" (1/1) ... [2024-11-13 22:20:21,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:20:21,995 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_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2024-11-13 22:20:22,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:22,029 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:20:22,043 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_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2024-11-13 22:20:22,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:22,073 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:20:22,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22 WrapperNode [2024-11-13 22:20:22,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:22,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:22,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:20:22,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:20:22,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,108 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-13 22:20:22,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:22,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:20:22,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:20:22,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:20:22,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:20:22,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:20:22,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:20:22,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:20:22,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:22,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:20:22,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:20:22,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:20:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:20:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:20:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:20:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:20:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:20:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:20:22,282 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:20:22,284 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:20:22,444 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:20:22,444 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:20:22,495 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:20:22,496 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:20:22,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:22 BoogieIcfgContainer [2024-11-13 22:20:22,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:20:22,497 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:20:22,497 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:20:22,507 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:20:22,507 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:22" (1/1) ... [2024-11-13 22:20:22,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:20:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:22,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-13 22:20:22,574 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-13 22:20:22,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:20:22,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:22,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2024-11-13 22:20:23,031 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2024-11-13 22:20:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:20:23,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:23,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:20:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:23,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:20:23,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-13 22:20:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-13 22:20:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:20:23,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:23,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:20:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:23,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:20:23,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:20:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:23,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2024-11-13 22:20:23,747 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2024-11-13 22:20:23,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:20:23,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:23,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:20:24,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2024-11-13 22:20:24,360 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2024-11-13 22:20:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:20:24,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:24,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:20:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 50 transitions. [2024-11-13 22:20:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-11-13 22:20:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:20:24,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:24,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:20:25,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:25,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 53 transitions. [2024-11-13 22:20:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-13 22:20:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:20:25,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:25,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:20:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:25,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:20:25,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:20:25,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 58 transitions. [2024-11-13 22:20:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2024-11-13 22:20:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:20:25,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:25,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:26,017 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:20:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:26,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 57 transitions. [2024-11-13 22:20:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2024-11-13 22:20:26,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:20:26,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:26,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:20:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:26,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:20:26,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:26,903 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:20:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 61 transitions. [2024-11-13 22:20:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-13 22:20:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:20:27,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:27,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 22:20:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:27,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 62 transitions. [2024-11-13 22:20:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-13 22:20:27,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:20:27,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:27,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-13 22:20:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 54 transitions. [2024-11-13 22:20:27,905 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-13 22:20:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:20:27,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:27,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:20:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:27,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 22:20:27,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 22:20:28,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:28,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 61 transitions. [2024-11-13 22:20:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-11-13 22:20:28,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:20:28,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:28,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:20:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:28,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:20:28,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 22:20:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 65 transitions. [2024-11-13 22:20:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2024-11-13 22:20:29,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:20:29,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:29,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-13 22:20:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 66 transitions. [2024-11-13 22:20:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2024-11-13 22:20:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 22:20:29,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:29,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 29 proven. 15 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 22:20:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:31,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 25 states and 37 transitions. [2024-11-13 22:20:31,366 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-13 22:20:31,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:20:31,367 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2024-11-13 22:20:31,375 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:20:31,910 INFO L77 FloydHoareUtils]: At program point L33(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-11-13 22:20:31,910 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:20:31,910 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_~s~0#1| 1)) (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0))) [2024-11-13 22:20:31,910 INFO L77 FloydHoareUtils]: At program point L31-1(line 31) the Hoare annotation is: (or (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (and (= 9 |ULTIMATE.start_main_~s~0#1|) (= 2 |ULTIMATE.start_main_~a~0#1|))) (not (and (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4))) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1))))) [2024-11-13 22:20:31,911 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-13 22:20:31,911 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: (not (and (not (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 (* 2 |ULTIMATE.start_main_~a~0#1|)) |ULTIMATE.start_main_~s~0#1|))) [2024-11-13 22:20:31,911 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:20:31,911 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-13 22:20:31,911 INFO L77 FloydHoareUtils]: At program point L30-2(lines 30 42) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_~s~0#1| 1)) (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0))) [2024-11-13 22:20:31,911 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-11-13 22:20:31,912 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-13 22:20:31,912 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-13 22:20:31,912 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (not (= __VERIFIER_assert_~cond 0)) (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2024-11-13 22:20:31,912 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:20:31,912 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:20:31,912 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-13 22:20:31,912 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-13 22:20:31,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:20:31 ImpRootNode [2024-11-13 22:20:31,930 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:20:31,931 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:20:31,931 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:20:31,931 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:20:31,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:22" (3/4) ... [2024-11-13 22:20:31,934 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:20:31,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 22:20:31,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 22:20:31,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 22:20:31,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:20:31,942 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:20:32,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:20:32,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:20:32,026 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:20:32,027 INFO L158 Benchmark]: Toolchain (without parser) took 10250.69ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 38.7MB in the end (delta: 56.2MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-11-13 22:20:32,027 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:32,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.43ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 83.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:20:32,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.18ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:32,028 INFO L158 Benchmark]: Boogie Preprocessor took 23.61ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 82.0MB in the end (delta: 584.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:20:32,029 INFO L158 Benchmark]: RCFGBuilder took 362.76ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 70.0MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:20:32,029 INFO L158 Benchmark]: CodeCheck took 9433.11ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 42.4MB in the end (delta: 27.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-13 22:20:32,030 INFO L158 Benchmark]: Witness Printer took 95.09ms. Allocated memory is still 117.4MB. Free memory was 42.4MB in the beginning and 38.7MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:20:32,032 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 554 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 202 mSDsluCounter, 609 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 264 mSDsCounter, 1065 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2429 IncrementalHoareTripleChecker+Invalid, 3494 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1065 mSolverCounterUnsat, 345 mSDtfsCounter, 2429 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3459 GetRequests, 3283 SyntacticMatches, 68 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5318 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 494 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 479 ConstructedInterpolants, 0 QuantifiedInterpolants, 1361 SizeOfPredicates, 10 NumberOfNonLiveVariables, 531 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 906/1050 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 - PositiveResult [Line: 14]: 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 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: !(((s != 1) && (t == 1)) && (a == 0)) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.43ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 83.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.18ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.61ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 82.0MB in the end (delta: 584.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.76ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 70.0MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9433.11ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 42.4MB in the end (delta: 27.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 95.09ms. Allocated memory is still 117.4MB. Free memory was 42.4MB in the beginning and 38.7MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:20:32,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6841c83-c45b-4bc4-a86e-80dc4d4ab286/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE