./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/array16_alloca_fixed.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/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_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/array16_alloca_fixed.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/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 64bit --witnessprinter.graph.data.programhash 2a580f3a42bca030605af1bbd4c6a77550e46d88a6197c1e34cf45bb050eadef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:00,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:00,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:06:00,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:00,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:00,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:00,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:00,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:00,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:00,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:00,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:00,519 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:06:00,519 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:06:00,520 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:06:00,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:00,521 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:06:00,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:00,522 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:00,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:00,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:00,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:00,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:00,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:00,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:00,527 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:00,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:00,528 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_c2582165-1d22-4e9e-806a-8546a1a25965/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a580f3a42bca030605af1bbd4c6a77550e46d88a6197c1e34cf45bb050eadef [2023-11-19 03:06:00,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:00,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:00,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:00,827 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:00,827 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:00,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-15/array16_alloca_fixed.i [2023-11-19 03:06:04,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:04,347 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:04,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/sv-benchmarks/c/termination-15/array16_alloca_fixed.i [2023-11-19 03:06:04,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/data/c02c73b64/2f058241927743c0bb26aefcb505e88b/FLAG41f5c3f5b [2023-11-19 03:06:04,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/data/c02c73b64/2f058241927743c0bb26aefcb505e88b [2023-11-19 03:06:04,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:04,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:04,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:04,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:04,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:04,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519b247f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04, skipping insertion in model container [2023-11-19 03:06:04,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:04,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:04,760 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:04,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:04,868 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:04,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04 WrapperNode [2023-11-19 03:06:04,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:04,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:04,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:04,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:04,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,915 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-19 03:06:04,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:04,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:04,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:04,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:04,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:04,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:04,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:04,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:04,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:04" (1/1) ... [2023-11-19 03:06:04,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:04,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:04,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:04,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:06:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:06:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:06:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:06:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:05,105 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:05,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:05,357 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:05,422 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:05,430 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:06:05,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:05 BoogieIcfgContainer [2023-11-19 03:06:05,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:05,436 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:05,436 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:05,453 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:05,453 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:05" (1/1) ... [2023-11-19 03:06:05,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2023-11-19 03:06:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2023-11-19 03:06:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:06:05,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:05,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:05,721 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 03:06:05,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:05,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-11-19 03:06:05,778 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-19 03:06:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:06:05,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:05,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:05,971 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 03:06:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-19 03:06:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-19 03:06:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:06:06,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:06,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:06,447 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 03:06:07,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:07,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-19 03:06:07,086 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-19 03:06:07,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:06:07,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:07,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:07,115 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 03:06:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-19 03:06:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-19 03:06:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:06:07,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:07,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:07,256 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 03:06:07,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:07,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-19 03:06:07,336 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-19 03:06:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:06:07,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:07,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:07,511 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 03:06:08,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-19 03:06:08,030 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-19 03:06:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:06:08,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:08,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:08,077 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 03:06:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-19 03:06:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-19 03:06:08,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:06:08,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:08,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:08,200 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 03:06:08,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:08,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-19 03:06:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-19 03:06:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:06:08,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:08,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:08,270 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 03:06:08,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-19 03:06:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-19 03:06:08,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:06:08,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:08,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:08,977 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 03:06:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 03:06:10,495 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 03:06:10,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:06:10,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:10,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:10,833 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 03:06:10,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:10,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2023-11-19 03:06:10,920 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2023-11-19 03:06:10,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:06:10,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:10,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:11,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2023-11-19 03:06:11,363 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2023-11-19 03:06:11,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:06:11,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:11,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:11,530 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 03:06:12,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-19 03:06:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-19 03:06:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:06:12,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:12,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2023-11-19 03:06:12,629 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 03:06:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:06:12,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:12,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:12,848 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 03:06:13,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:13,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2023-11-19 03:06:13,903 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2023-11-19 03:06:13,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:06:13,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:13,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:13,995 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 03:06:14,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:14,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2023-11-19 03:06:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2023-11-19 03:06:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:06:14,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:14,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2023-11-19 03:06:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2023-11-19 03:06:14,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:06:14,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:14,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2023-11-19 03:06:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2023-11-19 03:06:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:06:16,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:16,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:17,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:17,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2023-11-19 03:06:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2023-11-19 03:06:17,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:06:17,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:17,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:06:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2023-11-19 03:06:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2023-11-19 03:06:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:06:19,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:19,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2023-11-19 03:06:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2023-11-19 03:06:19,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:06:19,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:19,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:22,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:22,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 55 states and 98 transitions. [2023-11-19 03:06:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2023-11-19 03:06:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:06:22,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:22,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:22,781 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:24,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:24,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 59 states and 107 transitions. [2023-11-19 03:06:24,740 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2023-11-19 03:06:24,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:06:24,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:24,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:28,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 68 states and 122 transitions. [2023-11-19 03:06:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 122 transitions. [2023-11-19 03:06:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:06:28,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:28,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:06:29,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:29,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 69 states and 125 transitions. [2023-11-19 03:06:29,053 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 125 transitions. [2023-11-19 03:06:29,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:06:29,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:29,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:06:29,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 69 states and 124 transitions. [2023-11-19 03:06:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 124 transitions. [2023-11-19 03:06:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:06:29,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:29,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:29,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:30,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 70 states and 124 transitions. [2023-11-19 03:06:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 124 transitions. [2023-11-19 03:06:30,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:06:30,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:30,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:06:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 123 transitions. [2023-11-19 03:06:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 123 transitions. [2023-11-19 03:06:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:06:30,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:30,619 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:06:31,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 70 states and 122 transitions. [2023-11-19 03:06:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 122 transitions. [2023-11-19 03:06:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:06:31,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:31,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:31,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:06:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:32,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 74 states and 129 transitions. [2023-11-19 03:06:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 129 transitions. [2023-11-19 03:06:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:06:32,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:32,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:06:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 129 transitions. [2023-11-19 03:06:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 129 transitions. [2023-11-19 03:06:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:06:32,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:32,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 76 states and 132 transitions. [2023-11-19 03:06:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 132 transitions. [2023-11-19 03:06:33,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:06:33,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:33,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:06:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 132 transitions. [2023-11-19 03:06:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2023-11-19 03:06:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:06:33,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:33,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:38,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:38,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 82 states and 143 transitions. [2023-11-19 03:06:38,091 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 143 transitions. [2023-11-19 03:06:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:06:38,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:38,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:06:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 82 states and 142 transitions. [2023-11-19 03:06:38,855 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 142 transitions. [2023-11-19 03:06:38,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:06:38,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:38,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:06:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2023-11-19 03:06:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2023-11-19 03:06:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:06:38,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:38,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:06:39,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:39,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 85 states and 144 transitions. [2023-11-19 03:06:39,752 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 144 transitions. [2023-11-19 03:06:39,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:06:39,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:39,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 03:06:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:39,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2023-11-19 03:06:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-11-19 03:06:39,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:06:39,886 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 39 iterations. [2023-11-19 03:06:39,896 INFO L751 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2023-11-19 03:06:40,529 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:06:40,533 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2023-11-19 03:06:40,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~arr~0!base] could not be translated [2023-11-19 03:06:40,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated [2023-11-19 03:06:40,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc206!base := 0] could not be translated [2023-11-19 03:06:40,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated [2023-11-19 03:06:40,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~arr~0!base] could not be translated [2023-11-19 03:06:40,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc206!base := 0] could not be translated [2023-11-19 03:06:40,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated [2023-11-19 03:06:40,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~arr~0!base] could not be translated [2023-11-19 03:06:40,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc206!base := 0] could not be translated [2023-11-19 03:06:40,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated [2023-11-19 03:06:40,545 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2023-11-19 03:06:40,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~arr~0!base] could not be translated [2023-11-19 03:06:40,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc206!base := 0] could not be translated [2023-11-19 03:06:40,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated [2023-11-19 03:06:40,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:06:40 ImpRootNode [2023-11-19 03:06:40,547 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:06:40,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:06:40,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:06:40,548 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:06:40,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:05" (3/4) ... [2023-11-19 03:06:40,550 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:06:40,557 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 03:06:40,557 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 03:06:40,558 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:06:40,558 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:06:40,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:06:40,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:06:40,652 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:06:40,653 INFO L158 Benchmark]: Toolchain (without parser) took 36272.80ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 125.1MB in the beginning and 255.2MB in the end (delta: -130.2MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-19 03:06:40,653 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:06:40,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.03ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 107.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:06:40,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.01ms. Allocated memory is still 165.7MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:06:40,654 INFO L158 Benchmark]: Boogie Preprocessor took 28.38ms. Allocated memory is still 165.7MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:06:40,655 INFO L158 Benchmark]: RCFGBuilder took 489.22ms. Allocated memory is still 165.7MB. Free memory was 104.1MB in the beginning and 88.6MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:06:40,655 INFO L158 Benchmark]: CodeCheck took 35110.73ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 88.6MB in the beginning and 259.4MB in the end (delta: -170.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-19 03:06:40,656 INFO L158 Benchmark]: Witness Printer took 104.59ms. Allocated memory is still 346.0MB. Free memory was 259.4MB in the beginning and 255.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:06:40,658 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, 21 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 34.4s, OverallIterations: 39, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4217 SdHoareTripleChecker+Valid, 24.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3767 mSDsluCounter, 2418 SdHoareTripleChecker+Invalid, 20.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2083 mSDsCounter, 2307 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10666 IncrementalHoareTripleChecker+Invalid, 12973 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2307 mSolverCounterUnsat, 335 mSDtfsCounter, 10666 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4599 GetRequests, 4145 SyntacticMatches, 178 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40480 ImplicationChecksByTransitivity, 27.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 481 NumberOfCodeBlocks, 481 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 443 ConstructedInterpolants, 0 QuantifiedInterpolants, 4764 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 20 PerfectInterpolantSequences, 133/225 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 364]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((((((length < i) || ((length / 4611686018427387904) < 1)) && (0 < length)) && (2 <= i)) || ((((1 <= i) && (0 < length)) && ((length / 4611686018427387904) < 1)) && (i <= 1))) || (((i == 0) && ((length / 4611686018427387904) <= 0)) && (1 <= length))) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.03ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 107.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.01ms. Allocated memory is still 165.7MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.38ms. Allocated memory is still 165.7MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.22ms. Allocated memory is still 165.7MB. Free memory was 104.1MB in the beginning and 88.6MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 35110.73ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 88.6MB in the beginning and 259.4MB in the end (delta: -170.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 104.59ms. Allocated memory is still 346.0MB. Free memory was 259.4MB in the beginning and 255.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~arr~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc206!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~arr~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc206!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~arr~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc206!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~arr~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[#t~malloc206!base := 0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:06:40,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2582165-1d22-4e9e-806a-8546a1a25965/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE