./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8246e56f0c6a2a64017cfdd94b26580c43f90ed61973daa969baf2d0942f8a17 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:36:34,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:36:34,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:36:34,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:36:34,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:36:34,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:36:34,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:36:34,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:36:34,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:36:34,538 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:36:34,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:36:34,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:36:34,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:36:34,540 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:36:34,541 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:36:34,541 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:36:34,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:36:34,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:36:34,543 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:36:34,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:36:34,544 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:36:34,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:36:34,545 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:36:34,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:36:34,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:34,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:36:34,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:36:34,548 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:36:34,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:36:34,549 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_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8246e56f0c6a2a64017cfdd94b26580c43f90ed61973daa969baf2d0942f8a17 [2023-11-19 02:36:34,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:36:34,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:36:34,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:36:34,921 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:36:34,922 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:36:34,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2023-11-19 02:36:38,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:36:38,388 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:36:38,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2023-11-19 02:36:38,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/data/5c31abb8f/42ffaad265504981b88e814f9ed545d5/FLAGe79eeacff [2023-11-19 02:36:38,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/data/5c31abb8f/42ffaad265504981b88e814f9ed545d5 [2023-11-19 02:36:38,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:36:38,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:36:38,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:38,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:36:38,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:36:38,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:38,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690a009f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38, skipping insertion in model container [2023-11-19 02:36:38,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:38,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:36:38,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:38,855 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:36:38,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:38,972 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:36:38,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38 WrapperNode [2023-11-19 02:36:38,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:38,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:38,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:36:38,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:36:38,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,046 INFO L138 Inliner]: procedures = 117, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-19 02:36:39,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:39,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:36:39,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:36:39,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:36:39,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:36:39,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:36:39,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:36:39,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:36:39,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2023-11-19 02:36:39,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:39,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:36:39,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:36:39,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40533c2d-4a6c-45e1-a484-5641f20677f7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:36:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:36:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:36:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:36:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:36:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:36:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:36:39,299 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:36:39,301 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:36:39,580 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:36:39,650 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:36:39,651 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:36:39,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:39 BoogieIcfgContainer [2023-11-19 02:36:39,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:36:39,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:36:39,657 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:36:39,695 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:36:39,697 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:39" (1/1) ... [2023-11-19 02:36:39,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:36:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-19 02:36:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-19 02:36:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:36:39,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:39,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-19 02:36:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-19 02:36:40,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:36:40,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:40,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:40,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-19 02:36:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-19 02:36:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:36:41,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:41,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-19 02:36:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-19 02:36:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:36:41,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:41,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-19 02:36:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-19 02:36:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:36:42,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:42,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:43,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-19 02:36:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-19 02:36:43,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:36:43,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:43,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:44,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 02:36:44,628 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 02:36:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:36:44,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:44,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2023-11-19 02:36:44,898 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2023-11-19 02:36:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:36:44,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:44,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-11-19 02:36:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-11-19 02:36:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:36:45,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:45,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2023-11-19 02:36:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2023-11-19 02:36:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:36:46,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:46,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2023-11-19 02:36:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2023-11-19 02:36:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:36:48,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:48,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:51,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:51,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2023-11-19 02:36:51,989 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2023-11-19 02:36:51,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:36:51,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:51,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2023-11-19 02:36:54,739 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2023-11-19 02:36:54,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:36:54,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:54,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:56,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:56,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2023-11-19 02:36:56,792 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2023-11-19 02:36:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:36:56,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:56,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:37:00,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:00,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2023-11-19 02:37:00,308 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2023-11-19 02:37:00,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:37:00,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:00,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:37:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:01,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2023-11-19 02:37:01,705 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2023-11-19 02:37:01,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:37:01,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:01,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:37:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2023-11-19 02:37:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2023-11-19 02:37:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:37:03,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:03,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:37:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2023-11-19 02:37:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2023-11-19 02:37:04,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:37:04,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:04,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:37:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2023-11-19 02:37:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2023-11-19 02:37:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:37:09,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:09,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:37:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2023-11-19 02:37:10,403 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2023-11-19 02:37:10,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:37:10,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:10,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:37:11,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 46 states and 69 transitions. [2023-11-19 02:37:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2023-11-19 02:37:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:37:11,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:11,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:37:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:12,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2023-11-19 02:37:12,837 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2023-11-19 02:37:12,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:37:12,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:12,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:13,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:37:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2023-11-19 02:37:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2023-11-19 02:37:15,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:37:15,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:15,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:37:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2023-11-19 02:37:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2023-11-19 02:37:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:37:24,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.