./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk --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 a7528f200456114b53348dcc6f65daa446d01523914ddd1f3b2ed0ccb2daf1cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:40:29,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:40:29,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:40:29,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:40:29,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:40:29,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:40:29,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:40:29,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:40:29,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:40:29,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:40:29,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:40:29,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:40:29,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:40:29,284 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:40:29,284 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:40:29,287 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:40:29,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:40:29,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:40:29,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:40:29,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:40:29,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:40:29,293 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:40:29,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:40:29,294 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:40:29,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:40:29,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:29,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:40:29,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:40:29,295 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:40:29,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:40:29,295 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_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7528f200456114b53348dcc6f65daa446d01523914ddd1f3b2ed0ccb2daf1cf [2024-11-08 23:40:29,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:40:29,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:40:29,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:40:29,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:40:29,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:40:29,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i Unable to find full path for "g++" [2024-11-08 23:40:31,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:40:31,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:40:31,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2024-11-08 23:40:31,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/data/c98cfeada/cb30d37ad30247d19c54a377b249b31f/FLAGbdf305922 [2024-11-08 23:40:31,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/data/c98cfeada/cb30d37ad30247d19c54a377b249b31f [2024-11-08 23:40:31,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:40:31,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:40:31,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:31,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:40:31,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:40:31,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:31" (1/1) ... [2024-11-08 23:40:31,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb22d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:31, skipping insertion in model container [2024-11-08 23:40:31,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:31" (1/1) ... [2024-11-08 23:40:31,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:40:32,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:32,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:40:32,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:32,486 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:40:32,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32 WrapperNode [2024-11-08 23:40:32,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:32,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:32,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:40:32,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:40:32,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,537 INFO L138 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-11-08 23:40:32,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:32,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:40:32,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:40:32,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:40:32,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:40:32,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:40:32,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:40:32,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:40:32,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:32" (1/1) ... [2024-11-08 23:40:32,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:32,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:40:32,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:40:32,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:40:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:40:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:40:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:40:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:40:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:40:32,798 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:40:32,800 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:40:32,985 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-08 23:40:32,985 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:40:33,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:40:33,047 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:40:33,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:33 BoogieIcfgContainer [2024-11-08 23:40:33,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:40:33,048 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:40:33,049 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:40:33,063 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:40:33,063 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:33" (1/1) ... [2024-11-08 23:40:33,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:40:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:33,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-08 23:40:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-08 23:40:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:40:33,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:33,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:33,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-11-08 23:40:33,332 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-08 23:40:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:40:33,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:33,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:33,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2024-11-08 23:40:33,454 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-11-08 23:40:33,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:40:33,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:33,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:33,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-08 23:40:33,832 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-08 23:40:33,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:40:33,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:33,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:34,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:34,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2024-11-08 23:40:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2024-11-08 23:40:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:40:34,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:34,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-08 23:40:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-08 23:40:34,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:40:34,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:34,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2024-11-08 23:40:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2024-11-08 23:40:35,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:40:35,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:35,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:36,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:36,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2024-11-08 23:40:36,238 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2024-11-08 23:40:36,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:40:36,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:36,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:36,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-08 23:40:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:40:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:40:37,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:37,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:37,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2024-11-08 23:40:37,340 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2024-11-08 23:40:37,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:40:37,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:37,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:40:37,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2024-11-08 23:40:37,665 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2024-11-08 23:40:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:40:37,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:37,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:38,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:38,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2024-11-08 23:40:38,550 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-11-08 23:40:38,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:40:38,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:38,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:38,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:40:39,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2024-11-08 23:40:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2024-11-08 23:40:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:40:39,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:39,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 54 states and 111 transitions. [2024-11-08 23:40:40,991 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 111 transitions. [2024-11-08 23:40:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:40:40,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:40,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:40:43,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 62 states and 134 transitions. [2024-11-08 23:40:43,017 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 134 transitions. [2024-11-08 23:40:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:40:43,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:43,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 135 transitions. [2024-11-08 23:40:44,289 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 135 transitions. [2024-11-08 23:40:44,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:40:44,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:44,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:44,636 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:44,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:44,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 65 states and 150 transitions. [2024-11-08 23:40:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 150 transitions. [2024-11-08 23:40:44,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:40:44,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:44,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:40:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 66 states and 151 transitions. [2024-11-08 23:40:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 151 transitions. [2024-11-08 23:40:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:40:45,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:45,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:46,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:46,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 67 states and 160 transitions. [2024-11-08 23:40:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 160 transitions. [2024-11-08 23:40:46,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:40:46,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:46,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:46,295 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:40:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:46,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 67 states and 153 transitions. [2024-11-08 23:40:46,613 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 153 transitions. [2024-11-08 23:40:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:40:46,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:46,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:46,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:40:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 67 states and 152 transitions. [2024-11-08 23:40:47,289 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 152 transitions. [2024-11-08 23:40:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:40:47,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:47,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:47,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:40:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:48,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 70 states and 158 transitions. [2024-11-08 23:40:48,341 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 158 transitions. [2024-11-08 23:40:48,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:40:48,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:48,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:40:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 160 transitions. [2024-11-08 23:40:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 160 transitions. [2024-11-08 23:40:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:40:49,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:49,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:40:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:50,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 76 states and 167 transitions. [2024-11-08 23:40:50,186 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 167 transitions. [2024-11-08 23:40:50,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:40:50,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:50,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:40:50,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 76 states and 166 transitions. [2024-11-08 23:40:50,611 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 166 transitions. [2024-11-08 23:40:50,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:40:50,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:50,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:40:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 79 states and 168 transitions. [2024-11-08 23:40:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 168 transitions. [2024-11-08 23:40:51,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:40:51,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:51,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:52,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 170 transitions. [2024-11-08 23:40:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 170 transitions. [2024-11-08 23:40:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:40:52,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:52,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:53,250 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:40:53,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 82 states and 187 transitions. [2024-11-08 23:40:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 187 transitions. [2024-11-08 23:40:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:40:53,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:53,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:40:54,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:54,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 83 states and 188 transitions. [2024-11-08 23:40:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 188 transitions. [2024-11-08 23:40:54,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:40:54,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:54,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:54,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:40:54,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 83 states and 187 transitions. [2024-11-08 23:40:54,616 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 187 transitions. [2024-11-08 23:40:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:40:54,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:54,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:54,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:54,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:40:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:40:54,750 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 30 iterations. [2024-11-08 23:40:54,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:40:54 ImpRootNode [2024-11-08 23:40:54,779 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:40:54,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:40:54,780 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:40:54,780 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:40:54,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:33" (3/4) ... [2024-11-08 23:40:54,781 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:40:54,833 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:40:54,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:40:54,834 INFO L158 Benchmark]: Toolchain (without parser) took 22934.09ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 137.7MB in the beginning and 164.9MB in the end (delta: -27.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-08 23:40:54,834 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 60.9MB in the beginning and 60.9MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:54,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.69ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 118.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:40:54,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.49ms. Allocated memory is still 172.0MB. Free memory was 118.1MB in the beginning and 116.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:40:54,835 INFO L158 Benchmark]: Boogie Preprocessor took 28.72ms. Allocated memory is still 172.0MB. Free memory was 116.7MB in the beginning and 115.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:40:54,836 INFO L158 Benchmark]: RCFGBuilder took 478.04ms. Allocated memory is still 172.0MB. Free memory was 115.2MB in the beginning and 98.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:40:54,837 INFO L158 Benchmark]: CodeCheck took 21730.56ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 98.5MB in the beginning and 168.0MB in the end (delta: -69.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:40:54,837 INFO L158 Benchmark]: Witness Printer took 53.56ms. Allocated memory is still 251.7MB. Free memory was 168.0MB in the beginning and 164.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:40:54,839 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, 25 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2502 SdHoareTripleChecker+Valid, 17.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2008 mSDsluCounter, 538 SdHoareTripleChecker+Invalid, 14.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 206 mSDsCounter, 1703 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9893 IncrementalHoareTripleChecker+Invalid, 11596 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1703 mSolverCounterUnsat, 332 mSDtfsCounter, 9893 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3327 GetRequests, 3023 SyntacticMatches, 46 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29344 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 328 NumberOfCodeBlocks, 328 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 983 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 23 PerfectInterpolantSequences, 59/119 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 538]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; [L528] num = __VERIFIER_nondet_int() [L529] COND FALSE !(!(num > 0 && num < 100)) [L532] int *a = (int *)malloc(sizeof(int)); [L533] COND FALSE !(a == ((void *)0)) [L536] newsize = 0 [L537] CALL expandArray(a) [L515] int *a = (int *)arg; [L516] int *b = ((void *)0); VAL [a={13502:0}, b={0:0}, i=1, ind=0, newsize=0, num=1] [L517] COND FALSE !(newsize < num) VAL [a={13502:0}, b={0:0}, i=1, ind=0, newsize=0, num=1] [L517] COND TRUE newsize < num [L518] newsize = newsize + 1 [L519] EXPR, FCALL realloc(a, sizeof(int) * newsize) [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i [L521] a = b VAL [a={13502:0}, b={13502:0}, i=1, ind=0, newsize=1, num=1] [L517] COND TRUE newsize < num VAL [a={13502:0}, b={13502:0}, i=1, ind=0, newsize=1, num=1] [L523] COND TRUE b != ((void *)0) VAL [a={13502:0}, b={13502:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [a={13502:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [a={13502:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) [L525] return 0; [L537] RET expandArray(a) [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 60.9MB in the beginning and 60.9MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.69ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 118.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.49ms. Allocated memory is still 172.0MB. Free memory was 118.1MB in the beginning and 116.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.72ms. Allocated memory is still 172.0MB. Free memory was 116.7MB in the beginning and 115.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.04ms. Allocated memory is still 172.0MB. Free memory was 115.2MB in the beginning and 98.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 21730.56ms. Allocated memory was 172.0MB in the beginning and 251.7MB in the end (delta: 79.7MB). Free memory was 98.5MB in the beginning and 168.0MB in the end (delta: -69.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 53.56ms. Allocated memory is still 251.7MB. Free memory was 168.0MB in the beginning and 164.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:40:54,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d280c9d5-8cfe-47bc-9775-3b1e54bdb4dd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)