./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c --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_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/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_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/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_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/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 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:32:09,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:32:09,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:32:09,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:32:09,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:32:09,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:32:09,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:32:09,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:32:09,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:32:09,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:32:09,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:32:09,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:32:09,475 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:32:09,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:32:09,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:32:09,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:32:09,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:32:09,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:32:09,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:32:09,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:32:09,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:32:09,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:32:09,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:32:09,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:32:09,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:32:09,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:32:09,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:32:09,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:32:09,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:32:09,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:32:09,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:32:09,487 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:32:09,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:32:09,487 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_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 [2024-11-08 22:32:09,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:32:09,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:32:09,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:32:09,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:32:09,839 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:32:09,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c Unable to find full path for "g++" [2024-11-08 22:32:11,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:32:12,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:32:12,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2024-11-08 22:32:12,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/data/c4a8c5bed/afb927d3e93f4603b5e3bf101a6ba118/FLAGa1ae7d73e [2024-11-08 22:32:12,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/data/c4a8c5bed/afb927d3e93f4603b5e3bf101a6ba118 [2024-11-08 22:32:12,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:32:12,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:32:12,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:32:12,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:32:12,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:32:12,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2712f208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12, skipping insertion in model container [2024-11-08 22:32:12,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:32:12,728 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_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c[454,467] [2024-11-08 22:32:12,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:32:12,743 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:32:12,755 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_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c[454,467] [2024-11-08 22:32:12,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:32:12,769 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:32:12,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12 WrapperNode [2024-11-08 22:32:12,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:32:12,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:32:12,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:32:12,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:32:12,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,801 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-08 22:32:12,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:32:12,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:32:12,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:32:12,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:32:12,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:32:12,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:32:12,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:32:12,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:32:12,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:12" (1/1) ... [2024-11-08 22:32:12,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:32:12,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:32:12,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:32:12,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:32:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:32:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:32:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:32:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:32:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-08 22:32:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-08 22:32:12,973 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:32:12,975 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:32:13,074 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 22:32:13,075 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:32:13,102 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:32:13,102 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:32:13,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:32:13 BoogieIcfgContainer [2024-11-08 22:32:13,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:32:13,104 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:32:13,104 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:32:13,112 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:32:13,112 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:32:13" (1/1) ... [2024-11-08 22:32:13,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:32:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-08 22:32:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 22:32:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:32:13,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:32:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:13,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2024-11-08 22:32:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:32:13,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:32:13,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:13,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:32:13,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2024-11-08 22:32:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 22:32:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:32:13,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:13,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:14,001 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:32:14,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2024-11-08 22:32:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-08 22:32:14,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:14,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:14,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:32:14,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:14,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2024-11-08 22:32:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-08 22:32:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:32:14,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:14,734 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:32:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2024-11-08 22:32:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2024-11-08 22:32:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:32:14,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:14,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:32:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2024-11-08 22:32:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-11-08 22:32:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:32:15,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:15,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 22:32:15,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:15,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2024-11-08 22:32:15,585 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2024-11-08 22:32:15,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 22:32:15,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:15,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-08 22:32:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:16,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2024-11-08 22:32:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2024-11-08 22:32:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 22:32:16,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:16,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-08 22:32:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2024-11-08 22:32:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-08 22:32:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:32:16,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:16,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-08 22:32:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:17,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 43 states and 99 transitions. [2024-11-08 22:32:17,048 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2024-11-08 22:32:17,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 22:32:17,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-08 22:32:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 46 states and 113 transitions. [2024-11-08 22:32:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 113 transitions. [2024-11-08 22:32:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 22:32:17,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:17,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-08 22:32:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 49 states and 128 transitions. [2024-11-08 22:32:18,077 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 128 transitions. [2024-11-08 22:32:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 22:32:18,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:18,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-08 22:32:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 52 states and 144 transitions. [2024-11-08 22:32:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 144 transitions. [2024-11-08 22:32:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 22:32:18,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:18,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-08 22:32:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:19,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 55 states and 161 transitions. [2024-11-08 22:32:19,283 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 161 transitions. [2024-11-08 22:32:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 22:32:19,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:19,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-08 22:32:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 58 states and 179 transitions. [2024-11-08 22:32:19,961 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 179 transitions. [2024-11-08 22:32:19,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 22:32:19,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:19,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-08 22:32:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:20,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 61 states and 198 transitions. [2024-11-08 22:32:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 198 transitions. [2024-11-08 22:32:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 22:32:20,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:20,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-08 22:32:21,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 64 states and 218 transitions. [2024-11-08 22:32:21,403 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 218 transitions. [2024-11-08 22:32:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 22:32:21,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:21,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-11-08 22:32:22,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:22,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 67 states and 239 transitions. [2024-11-08 22:32:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 239 transitions. [2024-11-08 22:32:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-08 22:32:22,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:22,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-08 22:32:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 70 states and 261 transitions. [2024-11-08 22:32:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 261 transitions. [2024-11-08 22:32:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 22:32:22,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:22,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:23,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-11-08 22:32:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 73 states and 284 transitions. [2024-11-08 22:32:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 284 transitions. [2024-11-08 22:32:23,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 22:32:23,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:23,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-08 22:32:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 76 states and 308 transitions. [2024-11-08 22:32:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 308 transitions. [2024-11-08 22:32:24,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 22:32:24,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:24,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:25,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-08 22:32:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 79 states and 333 transitions. [2024-11-08 22:32:25,724 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 333 transitions. [2024-11-08 22:32:25,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 22:32:25,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:25,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2024-11-08 22:32:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 82 states and 359 transitions. [2024-11-08 22:32:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 359 transitions. [2024-11-08 22:32:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 22:32:26,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:26,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-08 22:32:27,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:27,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 85 states and 386 transitions. [2024-11-08 22:32:27,762 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 386 transitions. [2024-11-08 22:32:27,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 22:32:27,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:27,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-11-08 22:32:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 88 states and 414 transitions. [2024-11-08 22:32:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 414 transitions. [2024-11-08 22:32:28,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 22:32:28,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:28,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-11-08 22:33:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:04,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 167 states and 1144 transitions. [2024-11-08 22:33:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 1144 transitions. [2024-11-08 22:33:04,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-08 22:33:04,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:04,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 1027 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-11-08 22:33:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 89 states and 91 transitions. [2024-11-08 22:33:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2024-11-08 22:33:14,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:33:14,770 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2024-11-08 22:33:14,780 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:33:15,515 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:33:15,515 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: true [2024-11-08 22:33:15,515 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: true [2024-11-08 22:33:15,515 INFO L77 FloydHoareUtils]: At program point L14(lines 14 16) the Hoare annotation is: true [2024-11-08 22:33:15,516 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (and (<= 25 |ULTIMATE.start_main_~input~0#1|) (<= |ULTIMATE.start_main_~input~0#1| 25)) [2024-11-08 22:33:15,516 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-11-08 22:33:15,516 INFO L77 FloydHoareUtils]: At program point L11(lines 11 17) the Hoare annotation is: true [2024-11-08 22:33:15,516 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:33:15,516 INFO L77 FloydHoareUtils]: At program point idFINAL(lines 6 9) the Hoare annotation is: true [2024-11-08 22:33:15,516 INFO L77 FloydHoareUtils]: At program point idEXIT(lines 6 9) the Hoare annotation is: true [2024-11-08 22:33:15,517 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 6 9) the Hoare annotation is: true [2024-11-08 22:33:15,517 INFO L77 FloydHoareUtils]: At program point L8(line 8) the Hoare annotation is: (and (<= id_~x |id_#in~x|) (<= |id_#in~x| id_~x)) [2024-11-08 22:33:15,517 INFO L77 FloydHoareUtils]: At program point L7(line 7) the Hoare annotation is: (and (<= id_~x |id_#in~x|) (<= |id_#in~x| id_~x)) [2024-11-08 22:33:15,517 INFO L77 FloydHoareUtils]: At program point L8-1(line 8) the Hoare annotation is: true [2024-11-08 22:33:15,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:33:15 ImpRootNode [2024-11-08 22:33:15,533 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:33:15,534 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:33:15,534 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:33:15,534 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:33:15,535 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:32:13" (3/4) ... [2024-11-08 22:33:15,537 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:33:15,541 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-11-08 22:33:15,547 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-08 22:33:15,547 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:33:15,548 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:33:15,548 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:33:15,639 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:33:15,640 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:33:15,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:33:15,643 INFO L158 Benchmark]: Toolchain (without parser) took 63229.29ms. Allocated memory was 165.7MB in the beginning and 551.6MB in the end (delta: 385.9MB). Free memory was 98.5MB in the beginning and 470.3MB in the end (delta: -371.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,644 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 165.7MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:33:15,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.06ms. Allocated memory is still 165.7MB. Free memory was 98.4MB in the beginning and 129.7MB in the end (delta: -31.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.44ms. Allocated memory is still 165.7MB. Free memory was 129.7MB in the beginning and 128.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,646 INFO L158 Benchmark]: Boogie Preprocessor took 18.33ms. Allocated memory is still 165.7MB. Free memory was 128.3MB in the beginning and 126.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:33:15,647 INFO L158 Benchmark]: RCFGBuilder took 281.55ms. Allocated memory is still 165.7MB. Free memory was 126.9MB in the beginning and 116.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,649 INFO L158 Benchmark]: CodeCheck took 62429.80ms. Allocated memory was 165.7MB in the beginning and 551.6MB in the end (delta: 385.9MB). Free memory was 116.9MB in the beginning and 474.5MB in the end (delta: -357.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,649 INFO L158 Benchmark]: Witness Printer took 106.20ms. Allocated memory is still 551.6MB. Free memory was 474.5MB in the beginning and 470.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,651 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 61.6s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2396 SdHoareTripleChecker+Valid, 38.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1634 mSDsluCounter, 3514 SdHoareTripleChecker+Invalid, 32.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3134 mSDsCounter, 4122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25900 IncrementalHoareTripleChecker+Invalid, 30022 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4122 mSolverCounterUnsat, 380 mSDtfsCounter, 25900 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50831 GetRequests, 48769 SyntacticMatches, 1622 SemanticMatches, 440 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78774 ImplicationChecksByTransitivity, 39.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 2349 NumberOfCodeBlocks, 2349 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2322 ConstructedInterpolants, 0 QuantifiedInterpolants, 5948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 2 PerfectInterpolantSequences, 10504/18954 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: 15]: 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 0.32ms. Allocated memory is still 165.7MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.06ms. Allocated memory is still 165.7MB. Free memory was 98.4MB in the beginning and 129.7MB in the end (delta: -31.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.44ms. Allocated memory is still 165.7MB. Free memory was 129.7MB in the beginning and 128.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.33ms. Allocated memory is still 165.7MB. Free memory was 128.3MB in the beginning and 126.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 281.55ms. Allocated memory is still 165.7MB. Free memory was 126.9MB in the beginning and 116.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 62429.80ms. Allocated memory was 165.7MB in the beginning and 551.6MB in the end (delta: 385.9MB). Free memory was 116.9MB in the beginning and 474.5MB in the end (delta: -357.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 106.20ms. Allocated memory is still 551.6MB. Free memory was 474.5MB in the beginning and 470.3MB 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! [2024-11-08 22:33:15,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3d92bc-ed9f-48e6-9fd9-e3c86b468971/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