./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/nested_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm --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 d28004f57c6988e792d07d7254dfd532aeffd19f38063d85c3bfa2c0f504914f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:39,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:39,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:47:39,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:47:39,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:47:39,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:39,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:39,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:39,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:39,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:39,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:39,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:39,401 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:47:39,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:47:39,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:47:39,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:39,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:39,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:39,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:39,405 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:39,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:47:39,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:39,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:39,405 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:39,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:39,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:39,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:39,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:39,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:39,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:39,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:39,406 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:47:39,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:47:39,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm 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 -> d28004f57c6988e792d07d7254dfd532aeffd19f38063d85c3bfa2c0f504914f [2024-11-13 22:47:39,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:39,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:39,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:39,794 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:39,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:39,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-simple/nested_2.c Unable to find full path for "g++" [2024-11-13 22:47:41,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:47:41,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:47:41,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/sv-benchmarks/c/loop-simple/nested_2.c [2024-11-13 22:47:41,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/data/35873812c/7d973c1f3668403cb39e766d49aa9149/FLAGb0c7610be [2024-11-13 22:47:41,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/data/35873812c/7d973c1f3668403cb39e766d49aa9149 [2024-11-13 22:47:41,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:47:41,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:47:41,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:41,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:47:41,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:47:41,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:41" (1/1) ... [2024-11-13 22:47:41,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e74021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41, skipping insertion in model container [2024-11-13 22:47:41,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:41" (1/1) ... [2024-11-13 22:47:41,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:47:42,082 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_d168d483-c902-4797-8a0a-c20e7285601e/sv-benchmarks/c/loop-simple/nested_2.c[730,743] [2024-11-13 22:47:42,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:42,099 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:47:42,112 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_d168d483-c902-4797-8a0a-c20e7285601e/sv-benchmarks/c/loop-simple/nested_2.c[730,743] [2024-11-13 22:47:42,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:42,129 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:47:42,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42 WrapperNode [2024-11-13 22:47:42,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:42,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:42,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:47:42,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:47:42,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,164 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-13 22:47:42,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:42,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:47:42,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:47:42,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:47:42,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:47:42,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:47:42,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:47:42,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:47:42,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:42,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:47:42,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:47:42,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:47:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:47:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:47:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:47:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:47:42,329 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:47:42,331 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:47:42,436 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 22:47:42,436 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:47:42,483 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:47:42,483 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:47:42,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:42 BoogieIcfgContainer [2024-11-13 22:47:42,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:47:42,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:47:42,486 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:47:42,497 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:47:42,497 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:42" (1/1) ... [2024-11-13 22:47:42,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:47:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:47:42,564 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:47:42,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:47:42,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:42,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:42,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:47:42,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:42,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:47:42,811 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:47:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:47:42,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:42,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:47:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-13 22:47:42,952 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-13 22:47:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:47:42,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:42,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:43,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:47:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-13 22:47:43,183 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-13 22:47:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:47:43,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:43,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:43,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:47:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:43,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2024-11-13 22:47:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2024-11-13 22:47:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:47:43,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:43,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:43,865 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:47:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:44,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-13 22:47:44,044 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-13 22:47:44,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:47:44,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:44,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:44,202 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:47:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2024-11-13 22:47:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2024-11-13 22:47:44,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:47:44,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:44,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:44,464 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:47:44,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-11-13 22:47:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-13 22:47:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:47:44,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:44,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:44,803 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:47:45,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:45,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-13 22:47:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-13 22:47:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:47:45,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:45,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:47:45,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:45,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2024-11-13 22:47:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2024-11-13 22:47:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:47:45,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:45,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 22:47:45,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:45,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-13 22:47:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-13 22:47:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:47:45,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:45,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 65 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 22:47:46,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-13 22:47:46,150 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-13 22:47:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:47:46,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:46,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 75 proven. 10 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 22:47:46,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:46,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-13 22:47:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-13 22:47:46,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:47:46,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:46,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 22:47:46,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:46,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-11-13 22:47:46,627 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 22:47:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:47:46,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:46,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:46,760 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 22:47:47,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-13 22:47:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-13 22:47:47,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:47:47,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:47,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:47,341 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 22:47:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2024-11-13 22:47:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2024-11-13 22:47:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 22:47:47,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:47,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 22:47:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:47,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-11-13 22:47:47,717 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-13 22:47:47,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:47:47,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:47,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 133 proven. 10 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 22:47:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:47,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2024-11-13 22:47:47,941 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2024-11-13 22:47:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:47:47,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:47,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:48,048 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 150 proven. 15 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-13 22:47:48,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:48,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2024-11-13 22:47:48,254 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-13 22:47:48,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:47:48,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:48,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 22:47:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-11-13 22:47:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-13 22:47:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:47:49,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:49,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:49,079 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 143 proven. 3 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 22:47:49,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2024-11-13 22:47:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2024-11-13 22:47:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:47:49,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:49,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 167 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 22:47:49,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2024-11-13 22:47:49,532 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2024-11-13 22:47:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:47:49,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:49,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 191 proven. 10 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 22:47:49,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:49,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2024-11-13 22:47:49,821 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2024-11-13 22:47:49,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:47:49,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:49,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:49,909 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 215 proven. 15 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 22:47:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2024-11-13 22:47:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2024-11-13 22:47:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:47:50,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:50,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 393 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-13 22:47:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2024-11-13 22:47:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2024-11-13 22:47:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:47:51,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:51,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 187 proven. 3 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-13 22:47:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:51,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2024-11-13 22:47:51,322 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2024-11-13 22:47:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:47:51,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:51,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:51,383 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 218 proven. 6 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-13 22:47:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2024-11-13 22:47:51,602 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-13 22:47:51,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:47:51,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:51,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:51,665 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 249 proven. 10 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-13 22:47:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:51,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2024-11-13 22:47:51,903 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2024-11-13 22:47:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:47:51,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:51,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:51,980 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 280 proven. 15 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-13 22:47:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2024-11-13 22:47:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2024-11-13 22:47:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:47:52,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 111 proven. 3 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-13 22:47:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:52,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2024-11-13 22:47:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2024-11-13 22:47:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 22:47:52,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:52,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-13 22:47:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2024-11-13 22:47:52,765 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2024-11-13 22:47:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:47:52,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:52,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 181 proven. 10 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-13 22:47:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2024-11-13 22:47:53,033 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2024-11-13 22:47:53,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 22:47:53,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:53,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 216 proven. 15 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-13 22:47:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:53,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2024-11-13 22:47:53,338 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-13 22:47:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 22:47:53,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:47:53,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:47:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:47:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 777 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-13 22:47:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:47:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 53 states and 66 transitions. [2024-11-13 22:47:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2024-11-13 22:47:57,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:47:57,018 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2024-11-13 22:47:57,026 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:47:57,417 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:47:57,417 INFO L77 FloydHoareUtils]: At program point L25-1(lines 25 27) the Hoare annotation is: true [2024-11-13 22:47:57,417 INFO L77 FloydHoareUtils]: At program point L21-2(lines 21 23) the Hoare annotation is: (or (<= |ULTIMATE.start_main_~a~0#1| 4) (and (<= |ULTIMATE.start_main_~a~0#1| 5) (<= |ULTIMATE.start_main_~b~0#1| 6))) [2024-11-13 22:47:57,417 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:47:57,417 INFO L75 FloydHoareUtils]: For program point L26(line 26) no Hoare annotation was computed. [2024-11-13 22:47:57,418 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2024-11-13 22:47:57,418 INFO L77 FloydHoareUtils]: At program point L20-2(lines 20 24) the Hoare annotation is: (not (and (not (and (<= |ULTIMATE.start_main_~a~0#1| 6) (= 6 |ULTIMATE.start_main_~b~0#1|))) (< 5 |ULTIMATE.start_main_~a~0#1|))) [2024-11-13 22:47:57,418 INFO L77 FloydHoareUtils]: At program point L20-3(lines 15 29) the Hoare annotation is: (and (= 6 |ULTIMATE.start_main_~a~0#1|) (= 6 |ULTIMATE.start_main_~b~0#1|)) [2024-11-13 22:47:57,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:47:57 ImpRootNode [2024-11-13 22:47:57,437 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:47:57,441 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:47:57,441 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:47:57,441 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:47:57,442 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:47:42" (3/4) ... [2024-11-13 22:47:57,444 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:47:57,451 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 22:47:57,451 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:47:57,451 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:47:57,451 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:47:57,522 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:47:57,522 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:47:57,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:47:57,523 INFO L158 Benchmark]: Toolchain (without parser) took 15634.98ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 25.0kB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2024-11-13 22:47:57,523 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:57,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.25ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 81.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:57,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.02ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:57,524 INFO L158 Benchmark]: Boogie Preprocessor took 23.84ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.4MB in the end (delta: 530.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:57,524 INFO L158 Benchmark]: RCFGBuilder took 294.23ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 69.6MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:47:57,525 INFO L158 Benchmark]: CodeCheck took 14954.89ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 69.6MB in the beginning and 96.2MB in the end (delta: -26.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:57,525 INFO L158 Benchmark]: Witness Printer took 81.47ms. Allocated memory is still 184.5MB. Free memory was 96.2MB in the beginning and 91.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:57,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 560 SdHoareTripleChecker+Valid, 12.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3479 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4834 IncrementalHoareTripleChecker+Invalid, 8313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3479 mSolverCounterUnsat, 99 mSDtfsCounter, 4834 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6913 GetRequests, 6527 SyntacticMatches, 146 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26575 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 977 NumberOfCodeBlocks, 977 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 944 ConstructedInterpolants, 0 QuantifiedInterpolants, 1514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 2 PerfectInterpolantSequences, 8876/10593 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: 26]: 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 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: !(!((a <= 6) && (6 == b)) && (5 < a)) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((a <= 4) || ((a <= 5) && (b <= 6))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.25ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 81.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.02ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.84ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.4MB in the end (delta: 530.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 294.23ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 69.6MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14954.89ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 69.6MB in the beginning and 96.2MB in the end (delta: -26.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Witness Printer took 81.47ms. Allocated memory is still 184.5MB. Free memory was 96.2MB in the beginning and 91.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:47:57,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d168d483-c902-4797-8a0a-c20e7285601e/bin/ukojak-verify-EEHR8qb7sm/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