./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/Narrowing.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/Narrowing.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV --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 64bit --witnessprinter.graph.data.programhash 65d96571ae692dc892a607d17412b050d92bd8365fc1d6c09a627f6750d6e1ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:59,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:59,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:04:59,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:04:59,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:04:59,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:59,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:59,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:59,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:59,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:59,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:59,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:59,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:04:59,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:59,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:59,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:59,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:59,308 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:04:59,309 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:59,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:59,310 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:59,311 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:59,312 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:59,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:59,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:59,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:59,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:59,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:59,315 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:04:59,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:04:59,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:59,322 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_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d96571ae692dc892a607d17412b050d92bd8365fc1d6c09a627f6750d6e1ac [2023-11-12 00:04:59,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:59,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:59,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:59,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:59,657 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:59,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-restricted-15/Narrowing.c [2023-11-12 00:05:02,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:05:03,070 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:05:03,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/sv-benchmarks/c/termination-restricted-15/Narrowing.c [2023-11-12 00:05:03,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/data/dfbecc7b4/e6391f7a6e294e72956e10c5bbd5235a/FLAG279959630 [2023-11-12 00:05:03,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/data/dfbecc7b4/e6391f7a6e294e72956e10c5bbd5235a [2023-11-12 00:05:03,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:05:03,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:05:03,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:03,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:05:03,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:05:03,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705bc6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03, skipping insertion in model container [2023-11-12 00:05:03,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:05:03,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:03,298 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:05:03,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:03,326 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:05:03,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03 WrapperNode [2023-11-12 00:05:03,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:03,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:03,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:05:03,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:05:03,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,361 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2023-11-12 00:05:03,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:03,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:05:03,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:05:03,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:05:03,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:05:03,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:05:03,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:05:03,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:05:03,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:05:03,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:05:03,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:05:03,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:05:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:05:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:05:03,551 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:05:03,553 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:05:03,680 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:05:03,717 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:05:03,717 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:05:03,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:03 BoogieIcfgContainer [2023-11-12 00:05:03,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:05:03,722 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:05:03,722 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:05:03,731 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:05:03,732 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:05:03,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-12 00:05:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-12 00:05:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:05:03,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:03,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-12 00:05:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-12 00:05:04,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:05:04,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:04,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-12 00:05:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-12 00:05:04,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:05:04,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:04,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:04,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2023-11-12 00:05:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2023-11-12 00:05:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:05:04,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:04,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:04,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2023-11-12 00:05:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2023-11-12 00:05:04,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:05:04,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:04,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2023-11-12 00:05:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2023-11-12 00:05:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:05:05,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2023-11-12 00:05:05,806 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2023-11-12 00:05:05,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:05:05,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:05,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:05,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:05,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2023-11-12 00:05:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2023-11-12 00:05:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:05:06,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:06,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:06,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2023-11-12 00:05:06,459 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2023-11-12 00:05:06,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:05:06,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:06,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:06,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:06,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2023-11-12 00:05:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2023-11-12 00:05:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:05:06,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:06,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2023-11-12 00:05:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2023-11-12 00:05:07,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:05:07,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:07,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2023-11-12 00:05:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2023-11-12 00:05:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:05:07,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:07,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2023-11-12 00:05:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2023-11-12 00:05:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:05:07,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:07,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:07,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:07,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2023-11-12 00:05:07,710 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2023-11-12 00:05:07,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:05:07,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:07,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:07,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:07,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2023-11-12 00:05:07,782 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2023-11-12 00:05:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:05:07,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:07,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:08,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:08,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 105 transitions. [2023-11-12 00:05:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 105 transitions. [2023-11-12 00:05:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:05:08,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:08,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 61 states and 110 transitions. [2023-11-12 00:05:08,876 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2023-11-12 00:05:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:05:08,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:08,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:05:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2023-11-12 00:05:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2023-11-12 00:05:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:05:09,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:09,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 115 transitions. [2023-11-12 00:05:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 115 transitions. [2023-11-12 00:05:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:05:09,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:09,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 70 states and 117 transitions. [2023-11-12 00:05:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 117 transitions. [2023-11-12 00:05:09,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:05:09,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:09,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:05:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 116 transitions. [2023-11-12 00:05:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 116 transitions. [2023-11-12 00:05:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:05:10,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:10,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:05:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 72 states and 126 transitions. [2023-11-12 00:05:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 126 transitions. [2023-11-12 00:05:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:05:10,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:10,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:05:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:11,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 135 transitions. [2023-11-12 00:05:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 135 transitions. [2023-11-12 00:05:11,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:05:11,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:11,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 00:05:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 77 states and 134 transitions. [2023-11-12 00:05:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 134 transitions. [2023-11-12 00:05:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:05:11,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:11,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:05:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 82 states and 140 transitions. [2023-11-12 00:05:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 140 transitions. [2023-11-12 00:05:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:05:12,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:12,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:05:12,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:12,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 84 states and 141 transitions. [2023-11-12 00:05:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 141 transitions. [2023-11-12 00:05:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:05:12,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:12,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:13,006 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:05:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 84 states and 139 transitions. [2023-11-12 00:05:13,671 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 139 transitions. [2023-11-12 00:05:13,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:05:13,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:13,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:05:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 81 states and 133 transitions. [2023-11-12 00:05:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2023-11-12 00:05:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 00:05:13,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:13,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:05:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 86 states and 146 transitions. [2023-11-12 00:05:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 146 transitions. [2023-11-12 00:05:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:05:14,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:14,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-12 00:05:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 87 states and 149 transitions. [2023-11-12 00:05:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 149 transitions. [2023-11-12 00:05:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:05:15,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:15,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:05:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:05:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2023-11-12 00:05:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2023-11-12 00:05:15,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:05:15,574 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2023-11-12 00:05:15,584 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-12 00:05:15,999 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-12 00:05:16,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:05:16 ImpRootNode [2023-11-12 00:05:16,010 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:05:16,011 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:05:16,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:05:16,011 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:05:16,020 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:03" (3/4) ... [2023-11-12 00:05:16,023 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:05:16,029 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 00:05:16,030 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 00:05:16,030 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 00:05:16,146 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:05:16,146 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:05:16,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:05:16,148 INFO L158 Benchmark]: Toolchain (without parser) took 13048.00ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 112.5MB in the beginning and 151.8MB in the end (delta: -39.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-12 00:05:16,148 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:05:16,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.12ms. Allocated memory is still 155.2MB. Free memory was 112.0MB in the beginning and 103.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:05:16,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.21ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 101.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:05:16,149 INFO L158 Benchmark]: Boogie Preprocessor took 29.28ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 100.4MB in the end (delta: 999.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:05:16,150 INFO L158 Benchmark]: RCFGBuilder took 328.86ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 89.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:05:16,151 INFO L158 Benchmark]: CodeCheck took 12288.59ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 89.0MB in the beginning and 156.0MB in the end (delta: -67.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-12 00:05:16,151 INFO L158 Benchmark]: Witness Printer took 136.00ms. Allocated memory is still 224.4MB. Free memory was 156.0MB in the beginning and 151.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:05:16,153 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 1 procedures, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3345 SdHoareTripleChecker+Valid, 12.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3173 mSDsluCounter, 3071 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2721 mSDsCounter, 1348 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8278 IncrementalHoareTripleChecker+Invalid, 9626 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1348 mSolverCounterUnsat, 350 mSDtfsCounter, 8278 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4110 GetRequests, 3696 SyntacticMatches, 178 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29112 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 400 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 370 ConstructedInterpolants, 0 QuantifiedInterpolants, 976 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 25 PerfectInterpolantSequences, 144/166 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((((i <= 2147483647) && (range <= 20)) || ((i + 2147483648) < 0)) || (range < 20)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.12ms. Allocated memory is still 155.2MB. Free memory was 112.0MB in the beginning and 103.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.21ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 101.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.28ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 100.4MB in the end (delta: 999.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.86ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 89.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 12288.59ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 89.0MB in the beginning and 156.0MB in the end (delta: -67.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 136.00ms. Allocated memory is still 224.4MB. Free memory was 156.0MB in the beginning and 151.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:05:16,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55d6bc3d-a88a-4df4-9487-6e3379656b99/bin/ukojak-verify-0OAaufAVZV/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