./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.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_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/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_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/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_208684da-f79a-4347-9ca2-26f696679732/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 e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:26:51,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:26:51,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:26:51,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:26:51,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:26:51,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:26:51,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:26:51,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:26:51,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:26:51,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:26:51,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:26:51,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:26:51,199 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:26:51,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:26:51,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:26:51,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:26:51,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:26:51,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:26:51,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:26:51,202 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:26:51,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:26:51,207 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:26:51,208 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:26:51,208 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:26:51,209 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:26:51,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:26:51,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:26:51,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:26:51,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:26:51,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:26:51,211 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:26:51,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:26:51,211 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:26:51,212 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_208684da-f79a-4347-9ca2-26f696679732/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 [2023-12-03 02:26:51,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:26:51,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:26:51,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:26:51,479 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:26:51,480 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:26:51,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2023-12-03 02:26:54,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:26:54,318 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:26:54,319 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2023-12-03 02:26:54,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/data/8f6e51dc9/c6fa7d1cf3834420a73c708c250b7af1/FLAG33da58d03 [2023-12-03 02:26:54,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/data/8f6e51dc9/c6fa7d1cf3834420a73c708c250b7af1 [2023-12-03 02:26:54,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:26:54,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:26:54,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:26:54,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:26:54,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:26:54,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5c907b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54, skipping insertion in model container [2023-12-03 02:26:54,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:26:54,479 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_208684da-f79a-4347-9ca2-26f696679732/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2023-12-03 02:26:54,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:26:54,505 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:26:54,514 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_208684da-f79a-4347-9ca2-26f696679732/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2023-12-03 02:26:54,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:26:54,536 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:26:54,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54 WrapperNode [2023-12-03 02:26:54,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:26:54,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:26:54,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:26:54,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:26:54,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,572 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-12-03 02:26:54,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:26:54,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:26:54,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:26:54,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:26:54,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:26:54,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:26:54,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:26:54,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:26:54,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:26:54,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:26:54,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:26:54,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:26:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:26:54,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:26:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:26:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:26:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:26:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:26:54,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:26:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:26:54,714 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:26:54,716 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:26:54,856 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:26:54,889 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:26:54,890 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:26:54,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:26:54 BoogieIcfgContainer [2023-12-03 02:26:54,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:26:54,892 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:26:54,892 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:26:54,900 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:26:54,901 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:26:54" (1/1) ... [2023-12-03 02:26:54,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:26:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-03 02:26:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-03 02:26:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:26:54,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:26:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:55,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:26:55,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 02:26:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:55,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-12-03 02:26:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-12-03 02:26:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:26:55,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:55,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:26:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:55,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:26:55,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:55,644 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:26:56,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 65 transitions. [2023-12-03 02:26:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2023-12-03 02:26:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:26:56,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:26:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:56,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 02:26:56,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:26:56,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:56,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 75 transitions. [2023-12-03 02:26:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2023-12-03 02:26:56,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:26:56,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:56,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:26:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:56,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:26:56,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:26:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 73 transitions. [2023-12-03 02:26:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2023-12-03 02:26:57,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:26:57,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:57,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:26:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:57,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:26:57,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:57,307 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 02:26:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 86 transitions. [2023-12-03 02:26:57,855 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2023-12-03 02:26:57,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:26:57,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:57,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:26:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:57,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:26:57,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:26:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:26:58,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 47 states and 96 transitions. [2023-12-03 02:26:58,606 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2023-12-03 02:26:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:26:58,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:26:58,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:26:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:26:58,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-03 02:26:58,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:26:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 02:27:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 55 states and 121 transitions. [2023-12-03 02:27:01,934 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 121 transitions. [2023-12-03 02:27:01,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:27:01,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:01,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:01,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 02:27:01,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:27:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 59 states and 133 transitions. [2023-12-03 02:27:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 133 transitions. [2023-12-03 02:27:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:27:04,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:04,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:04,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:27:04,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-03 02:27:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 62 states and 139 transitions. [2023-12-03 02:27:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 139 transitions. [2023-12-03 02:27:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:27:05,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:05,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:05,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 02:27:05,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-03 02:27:08,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 66 states and 152 transitions. [2023-12-03 02:27:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 152 transitions. [2023-12-03 02:27:08,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:27:08,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:08,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:08,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 02:27:08,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 02:27:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 70 states and 165 transitions. [2023-12-03 02:27:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 165 transitions. [2023-12-03 02:27:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:27:11,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:11,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:11,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:27:11,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-03 02:27:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 74 states and 175 transitions. [2023-12-03 02:27:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 175 transitions. [2023-12-03 02:27:17,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:27:17,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:17,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:17,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:27:17,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-03 02:27:18,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:18,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 76 states and 187 transitions. [2023-12-03 02:27:18,750 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 187 transitions. [2023-12-03 02:27:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:27:18,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:18,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:18,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:27:18,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-03 02:27:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 78 states and 192 transitions. [2023-12-03 02:27:20,155 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 192 transitions. [2023-12-03 02:27:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:27:20,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:20,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:20,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:27:20,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-03 02:27:21,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 80 states and 198 transitions. [2023-12-03 02:27:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 198 transitions. [2023-12-03 02:27:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:27:21,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:21,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:21,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:27:21,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-03 02:27:23,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 46 states and 72 transitions. [2023-12-03 02:27:23,732 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2023-12-03 02:27:23,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:27:23,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:23,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:23,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:27:23,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:27:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 47 states and 73 transitions. [2023-12-03 02:27:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2023-12-03 02:27:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:27:26,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:26,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:26,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:27:26,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:27:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 43 states and 64 transitions. [2023-12-03 02:27:28,334 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2023-12-03 02:27:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:27:28,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:28,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:27:28,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:27:28,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:27:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 02:27:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 33 states and 49 transitions. [2023-12-03 02:27:31,317 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-12-03 02:27:31,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:27:31,318 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2023-12-03 02:27:31,325 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:27:31,693 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:27:31,697 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:27:31,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:27:31 ImpRootNode [2023-12-03 02:27:31,697 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:27:31,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:27:31,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:27:31,698 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:27:31,698 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:26:54" (3/4) ... [2023-12-03 02:27:31,700 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:27:31,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 02:27:31,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 02:27:31,706 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-03 02:27:31,707 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 02:27:31,707 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:27:31,707 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:27:31,808 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:27:31,809 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:27:31,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:27:31,810 INFO L158 Benchmark]: Toolchain (without parser) took 37470.83ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 99.7MB in the beginning and 167.8MB in the end (delta: -68.1MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. [2023-12-03 02:27:31,810 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:27:31,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.08ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 88.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:27:31,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.62ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 87.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:27:31,812 INFO L158 Benchmark]: Boogie Preprocessor took 21.48ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 86.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:27:31,812 INFO L158 Benchmark]: RCFGBuilder took 296.12ms. Allocated memory is still 146.8MB. Free memory was 86.0MB in the beginning and 72.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:27:31,813 INFO L158 Benchmark]: CodeCheck took 36805.55ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 72.4MB in the beginning and 55.9MB in the end (delta: 16.6MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2023-12-03 02:27:31,813 INFO L158 Benchmark]: Witness Printer took 111.38ms. Allocated memory is still 207.6MB. Free memory was 55.9MB in the beginning and 167.8MB in the end (delta: -111.9MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2023-12-03 02:27:31,815 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.4s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1819 SdHoareTripleChecker+Valid, 19.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 542 mSDsluCounter, 1145 SdHoareTripleChecker+Invalid, 17.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 538 mSDsCounter, 2086 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6926 IncrementalHoareTripleChecker+Invalid, 9012 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2086 mSolverCounterUnsat, 607 mSDtfsCounter, 6926 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8322 GetRequests, 8021 SyntacticMatches, 71 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25016 ImplicationChecksByTransitivity, 30.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 882 NumberOfCodeBlocks, 882 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 863 ConstructedInterpolants, 0 QuantifiedInterpolants, 3513 SizeOfPredicates, 94 NumberOfNonLiveVariables, 2398 ConjunctsInSsa, 423 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 1294/1409 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: 13]: 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: 57]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.08ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 88.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.62ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 87.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.48ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 86.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.12ms. Allocated memory is still 146.8MB. Free memory was 86.0MB in the beginning and 72.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 36805.55ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 72.4MB in the beginning and 55.9MB in the end (delta: 16.6MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Witness Printer took 111.38ms. Allocated memory is still 207.6MB. Free memory was 55.9MB in the beginning and 167.8MB in the end (delta: -111.9MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:27:31,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208684da-f79a-4347-9ca2-26f696679732/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