./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/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_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 109f1b0f7b496206cc9c53b0a3b6a7c393044a874053b245259453c5fb39b930 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:33:20,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:33:20,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:33:20,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:33:20,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:33:20,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:33:20,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:33:20,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:33:20,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:33:20,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:33:20,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:33:20,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:33:20,286 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:33:20,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:33:20,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:33:20,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:33:20,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:33:20,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:33:20,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:33:20,290 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:33:20,290 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:33:20,291 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:33:20,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:33:20,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:33:20,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:33:20,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:33:20,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:33:20,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:33:20,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:33:20,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:33:20,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:33:20,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:33:20,296 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:33:20,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:33:20,296 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:33:20,297 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_0aee3b2b-0142-423e-ba13-a95ad0c14151/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 109f1b0f7b496206cc9c53b0a3b6a7c393044a874053b245259453c5fb39b930 [2023-12-03 04:33:20,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:33:20,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:33:20,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:33:20,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:33:20,632 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:33:20,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2023-12-03 04:33:24,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:33:24,198 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:33:24,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2023-12-03 04:33:24,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/data/15670f1c9/e7efa65d79a64c9c80af66aca6fcd94c/FLAG33b7002f0 [2023-12-03 04:33:24,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/data/15670f1c9/e7efa65d79a64c9c80af66aca6fcd94c [2023-12-03 04:33:24,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:33:24,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:33:24,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:33:24,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:33:24,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:33:24,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177f47a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24, skipping insertion in model container [2023-12-03 04:33:24,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:33:24,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:33:24,468 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:33:24,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:33:24,497 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:33:24,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24 WrapperNode [2023-12-03 04:33:24,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:33:24,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:33:24,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:33:24,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:33:24,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,529 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2023-12-03 04:33:24,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:33:24,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:33:24,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:33:24,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:33:24,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:33:24,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:33:24,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:33:24,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:33:24,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:33:24,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:33:24,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:33:24,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:33:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:33:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:33:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:33:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:33:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-12-03 04:33:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-12-03 04:33:24,711 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:33:24,713 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:33:24,838 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:33:24,880 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:33:24,880 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:33:24,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:33:24 BoogieIcfgContainer [2023-12-03 04:33:24,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:33:24,884 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:33:24,884 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:33:24,895 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:33:24,895 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:33:24" (1/1) ... [2023-12-03 04:33:24,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:33:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-12-03 04:33:24,968 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-12-03 04:33:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:33:24,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:24,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:25,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2023-12-03 04:33:25,347 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-12-03 04:33:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:33:25,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:25,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 24 transitions. [2023-12-03 04:33:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-12-03 04:33:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:33:25,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:25,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:25,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:25,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 30 transitions. [2023-12-03 04:33:25,730 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-12-03 04:33:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:33:25,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:25,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 34 transitions. [2023-12-03 04:33:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-12-03 04:33:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:33:26,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:26,241 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 40 transitions. [2023-12-03 04:33:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-12-03 04:33:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:33:26,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:26,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 33 transitions. [2023-12-03 04:33:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-12-03 04:33:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:33:26,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:26,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:26,684 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 39 transitions. [2023-12-03 04:33:26,912 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-12-03 04:33:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:33:26,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:26,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 45 transitions. [2023-12-03 04:33:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-12-03 04:33:27,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:33:27,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:27,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 51 transitions. [2023-12-03 04:33:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-12-03 04:33:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:33:27,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:27,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:27,925 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:28,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:28,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 57 transitions. [2023-12-03 04:33:28,173 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-12-03 04:33:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 04:33:28,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:28,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:28,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 63 transitions. [2023-12-03 04:33:28,706 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-12-03 04:33:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:33:28,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:28,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 60 states and 69 transitions. [2023-12-03 04:33:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2023-12-03 04:33:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 04:33:29,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:29,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:29,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 65 states and 75 transitions. [2023-12-03 04:33:29,910 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-12-03 04:33:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 04:33:29,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:29,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 70 states and 81 transitions. [2023-12-03 04:33:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-12-03 04:33:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:33:30,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:30,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,881 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:31,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:31,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 75 states and 87 transitions. [2023-12-03 04:33:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-12-03 04:33:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 04:33:31,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:31,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 93 transitions. [2023-12-03 04:33:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-12-03 04:33:31,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:33:31,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:31,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 99 transitions. [2023-12-03 04:33:32,775 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2023-12-03 04:33:32,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:33:32,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:32,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:33,219 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 105 transitions. [2023-12-03 04:33:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-12-03 04:33:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 04:33:33,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:33,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 102 transitions. [2023-12-03 04:33:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2023-12-03 04:33:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 04:33:34,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:34,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 92 states and 121 transitions. [2023-12-03 04:33:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 121 transitions. [2023-12-03 04:33:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:33:34,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:34,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:34,995 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 93 states and 121 transitions. [2023-12-03 04:33:35,031 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2023-12-03 04:33:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 04:33:35,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:35,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2023-12-03 04:33:35,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 92 states and 120 transitions. [2023-12-03 04:33:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2023-12-03 04:33:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 04:33:35,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:35,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:36,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 97 states and 139 transitions. [2023-12-03 04:33:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-12-03 04:33:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 04:33:36,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:36,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:36,717 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:37,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:37,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 102 states and 156 transitions. [2023-12-03 04:33:37,335 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2023-12-03 04:33:37,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 04:33:37,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:37,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:37,589 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 107 states and 172 transitions. [2023-12-03 04:33:38,201 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 172 transitions. [2023-12-03 04:33:38,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 04:33:38,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:38,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:39,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 112 states and 187 transitions. [2023-12-03 04:33:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 187 transitions. [2023-12-03 04:33:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 04:33:39,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:39,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:40,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 117 states and 201 transitions. [2023-12-03 04:33:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2023-12-03 04:33:40,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 04:33:40,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:40,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:41,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 122 states and 214 transitions. [2023-12-03 04:33:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 214 transitions. [2023-12-03 04:33:41,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 04:33:41,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:41,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:41,523 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:42,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 127 states and 226 transitions. [2023-12-03 04:33:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2023-12-03 04:33:42,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 04:33:42,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:42,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:43,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 132 states and 237 transitions. [2023-12-03 04:33:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 237 transitions. [2023-12-03 04:33:43,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-03 04:33:43,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:43,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:43,811 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 137 states and 247 transitions. [2023-12-03 04:33:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2023-12-03 04:33:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-03 04:33:44,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:44,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 142 states and 256 transitions. [2023-12-03 04:33:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 256 transitions. [2023-12-03 04:33:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-03 04:33:45,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:45,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 147 states and 264 transitions. [2023-12-03 04:33:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 264 transitions. [2023-12-03 04:33:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-03 04:33:46,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:46,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:47,006 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 152 states and 271 transitions. [2023-12-03 04:33:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 271 transitions. [2023-12-03 04:33:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-03 04:33:47,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:48,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 157 states and 277 transitions. [2023-12-03 04:33:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 277 transitions. [2023-12-03 04:33:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-03 04:33:48,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:48,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-03 04:33:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 158 states and 278 transitions. [2023-12-03 04:33:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 278 transitions. [2023-12-03 04:33:50,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:33:50,180 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2023-12-03 04:33:50,190 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-03 04:33:50,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:33:50 ImpRootNode [2023-12-03 04:33:50,553 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:33:50,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:33:50,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:33:50,554 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:33:50,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:33:24" (3/4) ... [2023-12-03 04:33:50,557 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:33:50,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-12-03 04:33:50,567 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-12-03 04:33:50,568 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 04:33:50,568 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:33:50,568 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:33:50,664 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:33:50,665 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:33:50,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:33:50,666 INFO L158 Benchmark]: Toolchain (without parser) took 26432.51ms. Allocated memory was 136.3MB in the beginning and 264.2MB in the end (delta: 127.9MB). Free memory was 95.4MB in the beginning and 206.9MB in the end (delta: -111.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-12-03 04:33:50,666 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 136.3MB. Free memory was 107.4MB in the beginning and 107.4MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:33:50,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.56ms. Allocated memory is still 136.3MB. Free memory was 95.4MB in the beginning and 85.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:33:50,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.73ms. Allocated memory is still 136.3MB. Free memory was 85.3MB in the beginning and 84.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:33:50,668 INFO L158 Benchmark]: Boogie Preprocessor took 19.63ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 83.2MB in the end (delta: 811.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:33:50,669 INFO L158 Benchmark]: RCFGBuilder took 332.39ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 72.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:33:50,669 INFO L158 Benchmark]: CodeCheck took 25669.06ms. Allocated memory was 136.3MB in the beginning and 264.2MB in the end (delta: 127.9MB). Free memory was 72.7MB in the beginning and 211.0MB in the end (delta: -138.3MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2023-12-03 04:33:50,670 INFO L158 Benchmark]: Witness Printer took 111.23ms. Allocated memory is still 264.2MB. Free memory was 211.0MB in the beginning and 206.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:33:50,673 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 25.3s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3611 SdHoareTripleChecker+Valid, 31.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3327 mSDsluCounter, 2516 SdHoareTripleChecker+Invalid, 25.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 454 mSDsCounter, 7468 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20131 IncrementalHoareTripleChecker+Invalid, 27599 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7468 mSolverCounterUnsat, 2062 mSDtfsCounter, 20131 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29522 GetRequests, 28300 SyntacticMatches, 962 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28302 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 2669 NumberOfCodeBlocks, 2669 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2633 ConstructedInterpolants, 0 QuantifiedInterpolants, 5233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 5 PerfectInterpolantSequences, 9443/15416 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 136.3MB. Free memory was 107.4MB in the beginning and 107.4MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.56ms. Allocated memory is still 136.3MB. Free memory was 95.4MB in the beginning and 85.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.73ms. Allocated memory is still 136.3MB. Free memory was 85.3MB in the beginning and 84.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.63ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 83.2MB in the end (delta: 811.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.39ms. Allocated memory is still 136.3MB. Free memory was 82.8MB in the beginning and 72.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 25669.06ms. Allocated memory was 136.3MB in the beginning and 264.2MB in the end (delta: 127.9MB). Free memory was 72.7MB in the beginning and 211.0MB in the end (delta: -138.3MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. * Witness Printer took 111.23ms. Allocated memory is still 264.2MB. Free memory was 211.0MB in the beginning and 206.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:33:50,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0aee3b2b-0142-423e-ba13-a95ad0c14151/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