./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i25_o25-2.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_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/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_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/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_92c2ae1c-c228-4130-ac7c-3046ecec0f86/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 76955366716759eb9478710f6ef46e3de93d252b9c3177ff4beaca56ee5c75a7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:10:55,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:10:55,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:10:55,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:10:55,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:10:55,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:10:55,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:10:55,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:10:55,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:10:55,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:10:55,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:10:55,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:10:55,163 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:10:55,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:10:55,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:10:55,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:10:55,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:10:55,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:10:55,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:10:55,166 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:10:55,166 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:10:55,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:10:55,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:10:55,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:10:55,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:10:55,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:10:55,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:10:55,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:10:55,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:10:55,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:10:55,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:10:55,171 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:10:55,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:10:55,171 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_92c2ae1c-c228-4130-ac7c-3046ecec0f86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76955366716759eb9478710f6ef46e3de93d252b9c3177ff4beaca56ee5c75a7 [2024-11-09 00:10:55,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:10:55,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:10:55,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:10:55,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:10:55,492 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:10:55,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c Unable to find full path for "g++" [2024-11-09 00:10:57,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:10:57,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:10:57,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c [2024-11-09 00:10:57,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/data/bf460d934/82d5535a81b1423ea16703cc3b6d1ff9/FLAGc96e0fa85 [2024-11-09 00:10:57,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/data/bf460d934/82d5535a81b1423ea16703cc3b6d1ff9 [2024-11-09 00:10:57,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:10:57,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:10:57,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:10:57,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:10:57,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:10:57,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:10:57" (1/1) ... [2024-11-09 00:10:57,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50dea8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:57, skipping insertion in model container [2024-11-09 00:10:57,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:10:57" (1/1) ... [2024-11-09 00:10:57,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:10:57,953 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_92c2ae1c-c228-4130-ac7c-3046ecec0f86/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c[454,467] [2024-11-09 00:10:57,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:10:57,970 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:10:57,982 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_92c2ae1c-c228-4130-ac7c-3046ecec0f86/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c[454,467] [2024-11-09 00:10:57,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:10:58,001 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:10:58,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58 WrapperNode [2024-11-09 00:10:58,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:10:58,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:10:58,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:10:58,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:10:58,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,038 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-09 00:10:58,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:10:58,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:10:58,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:10:58,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:10:58,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:10:58,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:10:58,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:10:58,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:10:58,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:10:58,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:10:58,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:10:58,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:10:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:10:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:10:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:10:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:10:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-09 00:10:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-09 00:10:58,211 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:10:58,213 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:10:58,317 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:10:58,317 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:10:58,339 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:10:58,339 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:10:58,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:58 BoogieIcfgContainer [2024-11-09 00:10:58,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:10:58,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:10:58,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:10:58,353 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:10:58,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:58" (1/1) ... [2024-11-09 00:10:58,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:10:58,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-09 00:10:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-09 00:10:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:10:58,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:58,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:10:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:58,833 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 00:10:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:10:58,939 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:10:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:10:58,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:58,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:10:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:10:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 31 transitions. [2024-11-09 00:10:59,631 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-09 00:10:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:10:59,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:59,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:10:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 00:11:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 28 states and 42 transitions. [2024-11-09 00:11:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2024-11-09 00:11:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:11:00,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:00,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:00,444 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:11:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 33 states and 55 transitions. [2024-11-09 00:11:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-09 00:11:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:11:00,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:00,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 00:11:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 38 states and 70 transitions. [2024-11-09 00:11:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 70 transitions. [2024-11-09 00:11:01,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:11:01,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:01,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:11:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 43 states and 87 transitions. [2024-11-09 00:11:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2024-11-09 00:11:02,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:11:02,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:02,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 00:11:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:03,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 48 states and 106 transitions. [2024-11-09 00:11:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 106 transitions. [2024-11-09 00:11:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 00:11:03,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:03,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:03,397 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-09 00:11:04,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:04,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 53 states and 127 transitions. [2024-11-09 00:11:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 127 transitions. [2024-11-09 00:11:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 00:11:04,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:04,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-09 00:11:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:04,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 58 states and 150 transitions. [2024-11-09 00:11:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 150 transitions. [2024-11-09 00:11:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 00:11:04,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:04,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-09 00:11:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 63 states and 175 transitions. [2024-11-09 00:11:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 175 transitions. [2024-11-09 00:11:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 00:11:06,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:06,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-09 00:11:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:07,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 68 states and 202 transitions. [2024-11-09 00:11:07,123 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 202 transitions. [2024-11-09 00:11:07,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 00:11:07,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:07,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-09 00:11:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:08,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 73 states and 231 transitions. [2024-11-09 00:11:08,256 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 231 transitions. [2024-11-09 00:11:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 00:11:08,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:08,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-09 00:11:09,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:09,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 78 states and 262 transitions. [2024-11-09 00:11:09,485 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 262 transitions. [2024-11-09 00:11:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 00:11:09,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:09,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 00:11:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 83 states and 295 transitions. [2024-11-09 00:11:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 295 transitions. [2024-11-09 00:11:10,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 00:11:10,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:10,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-09 00:11:12,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 88 states and 330 transitions. [2024-11-09 00:11:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 330 transitions. [2024-11-09 00:11:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 00:11:12,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:12,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-09 00:11:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 93 states and 367 transitions. [2024-11-09 00:11:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 367 transitions. [2024-11-09 00:11:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 00:11:13,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:13,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-09 00:11:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 98 states and 406 transitions. [2024-11-09 00:11:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 406 transitions. [2024-11-09 00:11:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 00:11:15,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:15,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-11-09 00:11:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 103 states and 447 transitions. [2024-11-09 00:11:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 447 transitions. [2024-11-09 00:11:16,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 00:11:16,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:16,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-09 00:11:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 108 states and 490 transitions. [2024-11-09 00:11:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 490 transitions. [2024-11-09 00:11:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 00:11:18,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:18,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-11-09 00:11:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 113 states and 535 transitions. [2024-11-09 00:11:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 535 transitions. [2024-11-09 00:11:19,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 00:11:19,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:19,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-09 00:11:21,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:21,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 118 states and 582 transitions. [2024-11-09 00:11:21,779 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 582 transitions. [2024-11-09 00:11:21,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 00:11:21,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:21,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-09 00:11:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 123 states and 631 transitions. [2024-11-09 00:11:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 631 transitions. [2024-11-09 00:11:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 00:11:23,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:23,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2024-11-09 00:11:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 128 states and 682 transitions. [2024-11-09 00:11:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 682 transitions. [2024-11-09 00:11:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 00:11:25,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:25,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-09 00:11:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 133 states and 735 transitions. [2024-11-09 00:11:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 735 transitions. [2024-11-09 00:11:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 00:11:27,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:27,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-11-09 00:11:29,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 138 states and 790 transitions. [2024-11-09 00:11:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 790 transitions. [2024-11-09 00:11:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-09 00:11:29,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:29,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:29,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:11:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:29,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:11:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:11:30,069 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2024-11-09 00:11:30,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:11:30 ImpRootNode [2024-11-09 00:11:30,152 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:11:30,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:11:30,153 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:11:30,153 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:11:30,154 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:58" (3/4) ... [2024-11-09 00:11:30,155 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:11:30,238 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:11:30,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:11:30,239 INFO L158 Benchmark]: Toolchain (without parser) took 32504.75ms. Allocated memory was 127.9MB in the beginning and 469.8MB in the end (delta: 341.8MB). Free memory was 89.7MB in the beginning and 355.0MB in the end (delta: -265.2MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-11-09 00:11:30,240 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:11:30,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.52ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 77.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:11:30,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.63ms. Allocated memory is still 127.9MB. Free memory was 77.5MB in the beginning and 76.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:11:30,241 INFO L158 Benchmark]: Boogie Preprocessor took 19.51ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 75.1MB in the end (delta: 941.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:11:30,241 INFO L158 Benchmark]: RCFGBuilder took 280.28ms. Allocated memory is still 127.9MB. Free memory was 75.1MB in the beginning and 65.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 00:11:30,242 INFO L158 Benchmark]: CodeCheck took 31811.29ms. Allocated memory was 127.9MB in the beginning and 469.8MB in the end (delta: 341.8MB). Free memory was 65.5MB in the beginning and 358.1MB in the end (delta: -292.6MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2024-11-09 00:11:30,242 INFO L158 Benchmark]: Witness Printer took 85.90ms. Allocated memory is still 469.8MB. Free memory was 358.1MB in the beginning and 355.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:11:30,244 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: 31.7s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3145 SdHoareTripleChecker+Valid, 43.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2474 mSDsluCounter, 2967 SdHoareTripleChecker+Invalid, 36.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2450 mSDsCounter, 2552 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29331 IncrementalHoareTripleChecker+Invalid, 31883 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2552 mSolverCounterUnsat, 517 mSDtfsCounter, 29331 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52144 GetRequests, 50374 SyntacticMatches, 1472 SemanticMatches, 298 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35034 ImplicationChecksByTransitivity, 17.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 2184 NumberOfCodeBlocks, 2184 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2000 ConstructedInterpolants, 0 QuantifiedInterpolants, 5200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 1 PerfectInterpolantSequences, 7500/15000 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L12] int input = 25; VAL [input=25] [L13] CALL, EXPR id(input) VAL [\old(x)=25] [L7] COND FALSE !(x==0) VAL [\old(x)=25, x=25] [L8] CALL, EXPR id(x-1) VAL [\old(x)=24] [L7] COND FALSE !(x==0) VAL [\old(x)=24, x=24] [L8] CALL, EXPR id(x-1) VAL [\old(x)=23] [L7] COND FALSE !(x==0) VAL [\old(x)=23, x=23] [L8] CALL, EXPR id(x-1) VAL [\old(x)=22] [L7] COND FALSE !(x==0) VAL [\old(x)=22, x=22] [L8] CALL, EXPR id(x-1) VAL [\old(x)=21] [L7] COND FALSE !(x==0) VAL [\old(x)=21, x=21] [L8] CALL, EXPR id(x-1) VAL [\old(x)=20] [L7] COND FALSE !(x==0) VAL [\old(x)=20, x=20] [L8] CALL, EXPR id(x-1) VAL [\old(x)=19] [L7] COND FALSE !(x==0) VAL [\old(x)=19, x=19] [L8] CALL, EXPR id(x-1) VAL [\old(x)=18] [L7] COND FALSE !(x==0) VAL [\old(x)=18, x=18] [L8] CALL, EXPR id(x-1) VAL [\old(x)=17] [L7] COND FALSE !(x==0) VAL [\old(x)=17, x=17] [L8] CALL, EXPR id(x-1) VAL [\old(x)=16] [L7] COND FALSE !(x==0) VAL [\old(x)=16, x=16] [L8] CALL, EXPR id(x-1) VAL [\old(x)=15] [L7] COND FALSE !(x==0) VAL [\old(x)=15, x=15] [L8] CALL, EXPR id(x-1) VAL [\old(x)=14] [L7] COND FALSE !(x==0) VAL [\old(x)=14, x=14] [L8] CALL, EXPR id(x-1) VAL [\old(x)=13] [L7] COND FALSE !(x==0) VAL [\old(x)=13, x=13] [L8] CALL, EXPR id(x-1) VAL [\old(x)=12] [L7] COND FALSE !(x==0) VAL [\old(x)=12, x=12] [L8] CALL, EXPR id(x-1) VAL [\old(x)=11] [L7] COND FALSE !(x==0) VAL [\old(x)=11, x=11] [L8] CALL, EXPR id(x-1) VAL [\old(x)=10] [L7] COND FALSE !(x==0) VAL [\old(x)=10, x=10] [L8] CALL, EXPR id(x-1) VAL [\old(x)=9] [L7] COND FALSE !(x==0) VAL [\old(x)=9, x=9] [L8] CALL, EXPR id(x-1) VAL [\old(x)=8] [L7] COND FALSE !(x==0) VAL [\old(x)=8, x=8] [L8] CALL, EXPR id(x-1) VAL [\old(x)=7] [L7] COND FALSE !(x==0) VAL [\old(x)=7, x=7] [L8] CALL, EXPR id(x-1) VAL [\old(x)=6] [L7] COND FALSE !(x==0) VAL [\old(x)=6, x=6] [L8] CALL, EXPR id(x-1) VAL [\old(x)=5] [L7] COND FALSE !(x==0) VAL [\old(x)=5, x=5] [L8] CALL, EXPR id(x-1) VAL [\old(x)=4] [L7] COND FALSE !(x==0) VAL [\old(x)=4, x=4] [L8] CALL, EXPR id(x-1) VAL [\old(x)=3] [L7] COND FALSE !(x==0) VAL [\old(x)=3, x=3] [L8] CALL, EXPR id(x-1) VAL [\old(x)=2] [L7] COND FALSE !(x==0) VAL [\old(x)=2, x=2] [L8] CALL, EXPR id(x-1) VAL [\old(x)=1] [L7] COND FALSE !(x==0) VAL [\old(x)=1, x=1] [L8] CALL, EXPR id(x-1) VAL [\old(x)=0] [L7] COND TRUE x==0 [L7] return 0; VAL [\old(x)=0, \result=0] [L8] RET, EXPR id(x-1) VAL [\old(x)=1, x=1] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=2, x=2] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=3, x=3] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=4, x=4] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=5, x=5] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=6, x=6] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=7, x=7] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=8, x=8] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=9, x=9] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=10, x=10] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=11, x=11] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=12, x=12] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=13, x=13] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=14, x=14] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=15, x=15] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=16, x=16] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=17, x=17] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=18, x=18] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=19, x=19] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=20, x=20] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=21, x=21] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=22, x=22] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=23, x=23] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=24, x=24] [L8] return id(x-1) + 1; [L8] RET, EXPR id(x-1) VAL [\old(x)=25, x=25] [L8] return id(x-1) + 1; [L13] RET, EXPR id(input) VAL [input=25] [L13] int result = id(input); [L14] COND TRUE result == 25 VAL [input=25] [L15] reach_error() VAL [input=25] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.52ms. Allocated memory is still 127.9MB. Free memory was 89.4MB in the beginning and 77.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.63ms. Allocated memory is still 127.9MB. Free memory was 77.5MB in the beginning and 76.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.51ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 75.1MB in the end (delta: 941.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.28ms. Allocated memory is still 127.9MB. Free memory was 75.1MB in the beginning and 65.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 31811.29ms. Allocated memory was 127.9MB in the beginning and 469.8MB in the end (delta: 341.8MB). Free memory was 65.5MB in the beginning and 358.1MB in the end (delta: -292.6MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * Witness Printer took 85.90ms. Allocated memory is still 469.8MB. Free memory was 358.1MB in the beginning and 355.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:11:30,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c2ae1c-c228-4130-ac7c-3046ecec0f86/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE