./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:01:42,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:01:42,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:01:42,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:01:42,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:01:42,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:01:42,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:01:42,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:01:42,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:01:42,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:01:42,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:01:42,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:01:42,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:01:42,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:01:42,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:01:42,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:01:42,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:01:42,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:01:42,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:01:42,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:01:42,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:01:42,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:01:42,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:01:42,403 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:01:42,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:01:42,404 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:01:42,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:01:42,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:42,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:01:42,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:01:42,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:01:42,406 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:01:42,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:01:42,407 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_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 [2024-11-09 00:01:42,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:01:42,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:01:42,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:01:42,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:01:42,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:01:42,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i Unable to find full path for "g++" [2024-11-09 00:01:44,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:01:45,026 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:01:45,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-11-09 00:01:45,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/data/cfb1d468d/aa59a720a9db4cbd981c29c4ee824fdf/FLAG2aa6d931d [2024-11-09 00:01:45,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/data/cfb1d468d/aa59a720a9db4cbd981c29c4ee824fdf [2024-11-09 00:01:45,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:01:45,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:01:45,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:45,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:01:45,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:01:45,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248b5e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45, skipping insertion in model container [2024-11-09 00:01:45,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:01:45,695 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2024-11-09 00:01:45,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:45,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:01:45,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2024-11-09 00:01:45,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:01:45,755 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:01:45,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45 WrapperNode [2024-11-09 00:01:45,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:01:45,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:45,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:01:45,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:01:45,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,789 INFO L138 Inliner]: procedures = 16, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2024-11-09 00:01:45,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:01:45,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:01:45,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:01:45,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:01:45,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:01:45,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:01:45,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:01:45,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:01:45,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:01:45" (1/1) ... [2024-11-09 00:01:45,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:01:45,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:01:45,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:01:45,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:01:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:01:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:01:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:01:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:01:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:01:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:01:45,935 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:01:45,936 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:01:46,119 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-09 00:01:46,119 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:01:46,160 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:01:46,164 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:01:46,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:46 BoogieIcfgContainer [2024-11-09 00:01:46,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:01:46,165 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:01:46,165 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:01:46,173 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:01:46,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:46" (1/1) ... [2024-11-09 00:01:46,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:01:46,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:46,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2024-11-09 00:01:46,238 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2024-11-09 00:01:46,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:01:46,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:46,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:46,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-09 00:01:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-09 00:01:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:01:46,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:46,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:46,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 51 transitions. [2024-11-09 00:01:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-09 00:01:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:01:46,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:46,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:47,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:47,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 52 transitions. [2024-11-09 00:01:47,074 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-09 00:01:47,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:01:47,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:47,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 52 transitions. [2024-11-09 00:01:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-09 00:01:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:01:47,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:47,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 59 transitions. [2024-11-09 00:01:47,584 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-09 00:01:47,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:01:47,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:47,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:47,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 60 transitions. [2024-11-09 00:01:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-09 00:01:47,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:01:47,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:47,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:47,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 62 transitions. [2024-11-09 00:01:47,946 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-09 00:01:47,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:01:47,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:47,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:48,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:01:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:48,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 75 transitions. [2024-11-09 00:01:48,311 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2024-11-09 00:01:48,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:01:48,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:48,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:48,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:01:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 76 transitions. [2024-11-09 00:01:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2024-11-09 00:01:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:01:48,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:01:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:49,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 91 transitions. [2024-11-09 00:01:49,016 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2024-11-09 00:01:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:01:49,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:49,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:49,195 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:01:49,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 107 transitions. [2024-11-09 00:01:49,680 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2024-11-09 00:01:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:01:49,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:49,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:01:49,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 108 transitions. [2024-11-09 00:01:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2024-11-09 00:01:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:01:49,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:49,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:50,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:01:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 70 states and 132 transitions. [2024-11-09 00:01:50,864 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2024-11-09 00:01:50,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:01:50,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:50,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:01:51,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 75 states and 144 transitions. [2024-11-09 00:01:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2024-11-09 00:01:51,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:01:51,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:51,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:01:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 80 states and 155 transitions. [2024-11-09 00:01:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 155 transitions. [2024-11-09 00:01:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:01:52,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:52,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:01:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 79 states and 150 transitions. [2024-11-09 00:01:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 150 transitions. [2024-11-09 00:01:52,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:01:52,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:52,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:01:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 86 states and 163 transitions. [2024-11-09 00:01:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2024-11-09 00:01:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 00:01:53,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:53,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:01:55,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:55,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 99 states and 191 transitions. [2024-11-09 00:01:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 191 transitions. [2024-11-09 00:01:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 00:01:55,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:55,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-09 00:01:56,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 107 states and 209 transitions. [2024-11-09 00:01:56,647 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 209 transitions. [2024-11-09 00:01:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 00:01:56,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:56,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:01:58,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:58,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 115 states and 226 transitions. [2024-11-09 00:01:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 226 transitions. [2024-11-09 00:01:58,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 00:01:58,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:58,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:58,197 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 00:01:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:59,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 120 states and 245 transitions. [2024-11-09 00:01:59,078 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 245 transitions. [2024-11-09 00:01:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 00:01:59,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:59,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:02:00,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 131 states and 269 transitions. [2024-11-09 00:02:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 269 transitions. [2024-11-09 00:02:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 00:02:00,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:00,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:02:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 133 states and 274 transitions. [2024-11-09 00:02:01,400 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 274 transitions. [2024-11-09 00:02:01,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 00:02:01,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:01,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 00:02:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:02,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 80 states and 139 transitions. [2024-11-09 00:02:02,111 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 139 transitions. [2024-11-09 00:02:02,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 00:02:02,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:02,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:02,771 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 48 proven. 16 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 00:02:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:04,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 88 states and 156 transitions. [2024-11-09 00:02:04,655 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 156 transitions. [2024-11-09 00:02:04,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 00:02:04,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:04,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:04,835 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 48 proven. 16 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 00:02:05,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:05,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 90 states and 159 transitions. [2024-11-09 00:02:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 159 transitions. [2024-11-09 00:02:05,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 00:02:05,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:05,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-09 00:02:05,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 93 states and 164 transitions. [2024-11-09 00:02:05,740 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 164 transitions. [2024-11-09 00:02:05,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 00:02:05,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:05,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 48 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 00:02:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 101 states and 182 transitions. [2024-11-09 00:02:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 182 transitions. [2024-11-09 00:02:07,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 00:02:07,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:07,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 52 proven. 40 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-09 00:02:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:09,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 105 states and 188 transitions. [2024-11-09 00:02:09,183 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 188 transitions. [2024-11-09 00:02:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 00:02:09,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:09,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 56 proven. 46 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-09 00:02:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 110 states and 197 transitions. [2024-11-09 00:02:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 197 transitions. [2024-11-09 00:02:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 00:02:10,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:10,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:11,009 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-09 00:02:11,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:11,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 112 states and 200 transitions. [2024-11-09 00:02:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 200 transitions. [2024-11-09 00:02:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 00:02:11,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:11,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 68 proven. 44 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-09 00:02:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 38 states and 60 transitions. [2024-11-09 00:02:12,206 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-09 00:02:12,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:02:12,207 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2024-11-09 00:02:12,215 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:02:12,601 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: true [2024-11-09 00:02:12,601 INFO L77 FloydHoareUtils]: At program point L31-1(lines 25 56) the Hoare annotation is: (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|) [2024-11-09 00:02:12,601 INFO L77 FloydHoareUtils]: At program point L52(line 52) the Hoare annotation is: true [2024-11-09 00:02:12,602 INFO L77 FloydHoareUtils]: At program point L52-1(line 52) the Hoare annotation is: true [2024-11-09 00:02:12,602 INFO L77 FloydHoareUtils]: At program point L32(lines 25 56) the Hoare annotation is: (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|) [2024-11-09 00:02:12,602 INFO L77 FloydHoareUtils]: At program point L53(line 53) the Hoare annotation is: true [2024-11-09 00:02:12,602 INFO L77 FloydHoareUtils]: At program point L49(line 49) the Hoare annotation is: true [2024-11-09 00:02:12,602 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: true [2024-11-09 00:02:12,603 INFO L77 FloydHoareUtils]: At program point L41-1(line 41) the Hoare annotation is: true [2024-11-09 00:02:12,603 INFO L77 FloydHoareUtils]: At program point L37-1(lines 37 48) the Hoare annotation is: true [2024-11-09 00:02:12,603 INFO L77 FloydHoareUtils]: At program point L37-3(lines 37 48) the Hoare annotation is: true [2024-11-09 00:02:12,603 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:02:12,603 INFO L77 FloydHoareUtils]: At program point L50(line 50) the Hoare annotation is: true [2024-11-09 00:02:12,604 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-09 00:02:12,604 INFO L77 FloydHoareUtils]: At program point L46-1(line 46) the Hoare annotation is: true [2024-11-09 00:02:12,604 INFO L77 FloydHoareUtils]: At program point L42(line 42) the Hoare annotation is: true [2024-11-09 00:02:12,604 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:02:12,604 INFO L77 FloydHoareUtils]: At program point L55(line 55) the Hoare annotation is: true [2024-11-09 00:02:12,605 INFO L77 FloydHoareUtils]: At program point L47(lines 37 48) the Hoare annotation is: true [2024-11-09 00:02:12,605 INFO L77 FloydHoareUtils]: At program point L39(lines 39 40) the Hoare annotation is: true [2024-11-09 00:02:12,605 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-11-09 00:02:12,605 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2024-11-09 00:02:12,605 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 17 22) the Hoare annotation is: true [2024-11-09 00:02:12,605 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-09 00:02:12,606 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-11-09 00:02:12,606 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: true [2024-11-09 00:02:12,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:02:12 ImpRootNode [2024-11-09 00:02:12,622 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:02:12,622 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:02:12,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:02:12,623 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:02:12,623 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:46" (3/4) ... [2024-11-09 00:02:12,626 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:02:12,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 00:02:12,634 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-09 00:02:12,634 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 00:02:12,635 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:02:12,635 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:02:12,749 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:02:12,749 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:02:12,749 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:02:12,750 INFO L158 Benchmark]: Toolchain (without parser) took 27341.73ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 129.3MB in the beginning and 196.0MB in the end (delta: -66.7MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. [2024-11-09 00:02:12,750 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:12,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.18ms. Allocated memory is still 165.7MB. Free memory was 129.3MB in the beginning and 131.8MB in the end (delta: -2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 00:02:12,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.30ms. Allocated memory is still 165.7MB. Free memory was 131.8MB in the beginning and 130.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:12,751 INFO L158 Benchmark]: Boogie Preprocessor took 22.09ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 129.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:02:12,752 INFO L158 Benchmark]: RCFGBuilder took 351.12ms. Allocated memory is still 165.7MB. Free memory was 129.2MB in the beginning and 116.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:02:12,755 INFO L158 Benchmark]: CodeCheck took 26457.05ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 116.6MB in the beginning and 200.2MB in the end (delta: -83.5MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2024-11-09 00:02:12,756 INFO L158 Benchmark]: Witness Printer took 127.08ms. Allocated memory is still 346.0MB. Free memory was 200.2MB in the beginning and 196.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:02:12,758 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.0s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3995 SdHoareTripleChecker+Valid, 24.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2148 mSDsluCounter, 5353 SdHoareTripleChecker+Invalid, 20.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3465 mSDsCounter, 3871 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12830 IncrementalHoareTripleChecker+Invalid, 16701 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3871 mSolverCounterUnsat, 1888 mSDtfsCounter, 12830 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14647 GetRequests, 14026 SyntacticMatches, 301 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56087 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1484 NumberOfCodeBlocks, 1484 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1452 ConstructedInterpolants, 0 QuantifiedInterpolants, 4473 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 16 PerfectInterpolantSequences, 3943/4199 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: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.18ms. Allocated memory is still 165.7MB. Free memory was 129.3MB in the beginning and 131.8MB in the end (delta: -2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.30ms. Allocated memory is still 165.7MB. Free memory was 131.8MB in the beginning and 130.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.09ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 129.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.12ms. Allocated memory is still 165.7MB. Free memory was 129.2MB in the beginning and 116.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 26457.05ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 116.6MB in the beginning and 200.2MB in the end (delta: -83.5MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. * Witness Printer took 127.08ms. Allocated memory is still 346.0MB. Free memory was 200.2MB in the beginning and 196.0MB 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! [2024-11-09 00:02:12,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf4e02f8-8c2d-484e-9d31-7951fdbca534/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE