./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9 --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 7e2bf307cb8f7c9c94b988ac468881aa12e08b820a3a7e7ee2376cf91aff114e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:47:44,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:47:45,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:47:45,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:47:45,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:47:45,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:47:45,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:47:45,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:47:45,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:47:45,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:47:45,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:47:45,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:47:45,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:47:45,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:47:45,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:47:45,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:47:45,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:47:45,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:47:45,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:47:45,081 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:47:45,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:47:45,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:47:45,083 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:47:45,083 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:47:45,084 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:47:45,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:47:45,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:47:45,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:47:45,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:47:45,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:47:45,086 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:47:45,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:47:45,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:47:45,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e2bf307cb8f7c9c94b988ac468881aa12e08b820a3a7e7ee2376cf91aff114e [2023-12-03 03:47:45,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:47:45,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:47:45,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:47:45,361 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:47:45,361 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:47:45,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2023-12-03 03:47:48,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:47:48,244 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:47:48,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2023-12-03 03:47:48,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/data/1304a440c/2f6d24a88c35448281543e773809c0e1/FLAG440adc4ff [2023-12-03 03:47:48,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/data/1304a440c/2f6d24a88c35448281543e773809c0e1 [2023-12-03 03:47:48,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:47:48,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:47:48,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:47:48,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:47:48,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:47:48,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e48177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48, skipping insertion in model container [2023-12-03 03:47:48,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:47:48,422 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c[546,559] [2023-12-03 03:47:48,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:47:48,446 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:47:48,456 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c[546,559] [2023-12-03 03:47:48,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:47:48,476 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:47:48,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48 WrapperNode [2023-12-03 03:47:48,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:47:48,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:47:48,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:47:48,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:47:48,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,505 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-12-03 03:47:48,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:47:48,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:47:48,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:47:48,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:47:48,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:47:48,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:47:48,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:47:48,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:47:48,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:47:48,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:47:48,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:47:48,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:47:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:47:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:47:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:47:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:47:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:47:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:47:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:47:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:47:48,658 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:47:48,660 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:47:48,815 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:47:48,842 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:47:48,842 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:47:48,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:47:48 BoogieIcfgContainer [2023-12-03 03:47:48,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:47:48,845 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:47:48,845 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:47:48,855 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:47:48,855 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:47:48" (1/1) ... [2023-12-03 03:47:48,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:47:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-12-03 03:47:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-03 03:47:48,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:47:48,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:48,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:49,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:47:49,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:47:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-12-03 03:47:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-12-03 03:47:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:47:49,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:49,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:49,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:47:49,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:47:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:49,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 33 transitions. [2023-12-03 03:47:49,441 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-12-03 03:47:49,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:47:49,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:49,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:49,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:49,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:47:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 36 transitions. [2023-12-03 03:47:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-12-03 03:47:50,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:47:50,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:50,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:50,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:47:50,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:47:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:50,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 44 transitions. [2023-12-03 03:47:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-12-03 03:47:50,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:47:50,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:50,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:50,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 03:47:50,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:47:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 58 transitions. [2023-12-03 03:47:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-12-03 03:47:52,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:47:52,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:52,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:52,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:47:52,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:47:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:55,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 53 states and 92 transitions. [2023-12-03 03:47:55,951 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2023-12-03 03:47:55,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:47:55,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:55,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:55,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-03 03:47:55,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:01,767 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:48:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:06,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 59 states and 104 transitions. [2023-12-03 03:48:06,171 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 104 transitions. [2023-12-03 03:48:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 03:48:06,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:06,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:48:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:06,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:48:06,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:06,253 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:48:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 30 states and 37 transitions. [2023-12-03 03:48:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-12-03 03:48:06,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:48:06,894 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-12-03 03:48:06,901 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 03:48:07,116 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:48:07,119 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:48:07,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:48:07 ImpRootNode [2023-12-03 03:48:07,120 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:48:07,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:48:07,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:48:07,120 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:48:07,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:47:48" (3/4) ... [2023-12-03 03:48:07,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:48:07,125 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 03:48:07,125 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 03:48:07,128 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-12-03 03:48:07,128 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 03:48:07,129 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:48:07,129 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:48:07,215 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:48:07,216 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:48:07,216 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:48:07,217 INFO L158 Benchmark]: Toolchain (without parser) took 18947.95ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 111.5MB in the beginning and 69.3MB in the end (delta: 42.2MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2023-12-03 03:48:07,218 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:48:07,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.60ms. Allocated memory is still 148.9MB. Free memory was 111.5MB in the beginning and 101.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:48:07,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.52ms. Allocated memory is still 148.9MB. Free memory was 101.0MB in the beginning and 99.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:48:07,219 INFO L158 Benchmark]: Boogie Preprocessor took 20.64ms. Allocated memory is still 148.9MB. Free memory was 99.3MB in the beginning and 98.5MB in the end (delta: 784.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:48:07,220 INFO L158 Benchmark]: RCFGBuilder took 316.10ms. Allocated memory is still 148.9MB. Free memory was 98.5MB in the beginning and 116.7MB in the end (delta: -18.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:48:07,221 INFO L158 Benchmark]: CodeCheck took 18274.92ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 116.7MB in the beginning and 74.6MB in the end (delta: 42.1MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2023-12-03 03:48:07,221 INFO L158 Benchmark]: Witness Printer took 96.14ms. Allocated memory is still 180.4MB. Free memory was 74.6MB in the beginning and 69.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:48:07,224 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 510 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 192 mSDsluCounter, 426 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 174 mSDsCounter, 436 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1310 IncrementalHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 436 mSolverCounterUnsat, 252 mSDtfsCounter, 1310 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1766 GetRequests, 1557 SyntacticMatches, 34 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12193 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 177 ConstructedInterpolants, 5 QuantifiedInterpolants, 713 SizeOfPredicates, 20 NumberOfNonLiveVariables, 686 ConjunctsInSsa, 107 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 81/96 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: 18]: 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.60ms. Allocated memory is still 148.9MB. Free memory was 111.5MB in the beginning and 101.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.52ms. Allocated memory is still 148.9MB. Free memory was 101.0MB in the beginning and 99.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.64ms. Allocated memory is still 148.9MB. Free memory was 99.3MB in the beginning and 98.5MB in the end (delta: 784.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.10ms. Allocated memory is still 148.9MB. Free memory was 98.5MB in the beginning and 116.7MB in the end (delta: -18.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 18274.92ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 116.7MB in the beginning and 74.6MB in the end (delta: 42.1MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * Witness Printer took 96.14ms. Allocated memory is still 180.4MB. Free memory was 74.6MB in the beginning and 69.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:48:07,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf56d5af-08f4-4011-ac5f-be01dc9244de/bin/ukojak-verify-Qdu7aM0XO9/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