./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi --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 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:31,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:31,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:56:31,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:31,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:31,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:31,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:31,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:31,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:31,316 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:31,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:31,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:31,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:31,319 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:56:31,319 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:56:31,319 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:56:31,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:31,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:31,321 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:31,321 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:31,321 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:31,324 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:31,325 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:31,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:31,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:31,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:31,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:31,330 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:31,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:31,331 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_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 [2023-11-24 22:56:31,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:31,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:31,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:31,672 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:31,673 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:31,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2023-11-24 22:56:34,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:35,313 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:35,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2023-11-24 22:56:35,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/data/3714bf134/8dd88d5ac5af4b75b7f3091c601ff893/FLAG52b055a8c [2023-11-24 22:56:35,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/data/3714bf134/8dd88d5ac5af4b75b7f3091c601ff893 [2023-11-24 22:56:35,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:35,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:35,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:35,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:35,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:35,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:35" (1/1) ... [2023-11-24 22:56:35,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556aea44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:35, skipping insertion in model container [2023-11-24 22:56:35,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:35" (1/1) ... [2023-11-24 22:56:35,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:35,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:35,891 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:35,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:36,004 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:36,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36 WrapperNode [2023-11-24 22:56:36,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:36,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:36,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:36,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:36,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,061 INFO L138 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 138 [2023-11-24 22:56:36,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:36,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:36,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:36,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:36,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:36,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:36,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:36,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:36,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:36,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:36,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:36,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:56:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:56:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:56:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:56:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:56:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:36,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:36,364 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:36,367 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:36,883 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:36,939 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:36,939 INFO L309 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-24 22:56:36,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:36 BoogieIcfgContainer [2023-11-24 22:56:36,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:36,942 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:36,942 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:36,953 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:36,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 126 states and 144 transitions. [2023-11-24 22:56:37,024 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2023-11-24 22:56:37,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:56:37,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 125 states and 143 transitions. [2023-11-24 22:56:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2023-11-24 22:56:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:56:37,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 124 states and 142 transitions. [2023-11-24 22:56:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2023-11-24 22:56:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:56:37,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 123 states and 141 transitions. [2023-11-24 22:56:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2023-11-24 22:56:37,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:56:37,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 122 states and 140 transitions. [2023-11-24 22:56:37,834 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 140 transitions. [2023-11-24 22:56:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:37,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 121 states and 139 transitions. [2023-11-24 22:56:37,883 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2023-11-24 22:56:37,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:37,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 120 states and 138 transitions. [2023-11-24 22:56:38,166 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2023-11-24 22:56:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:38,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 119 states and 136 transitions. [2023-11-24 22:56:38,417 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2023-11-24 22:56:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:38,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 122 states and 142 transitions. [2023-11-24 22:56:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2023-11-24 22:56:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:39,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 121 states and 141 transitions. [2023-11-24 22:56:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2023-11-24 22:56:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:39,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 122 states and 143 transitions. [2023-11-24 22:56:39,563 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2023-11-24 22:56:39,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:39,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:39,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 122 states and 139 transitions. [2023-11-24 22:56:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 139 transitions. [2023-11-24 22:56:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:39,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:40,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:40,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 124 states and 144 transitions. [2023-11-24 22:56:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2023-11-24 22:56:40,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:40,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:40,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:41,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 126 states and 147 transitions. [2023-11-24 22:56:41,472 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2023-11-24 22:56:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:41,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:41,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 132 states and 157 transitions. [2023-11-24 22:56:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2023-11-24 22:56:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:41,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:42,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:42,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 138 states and 168 transitions. [2023-11-24 22:56:42,336 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 168 transitions. [2023-11-24 22:56:42,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:42,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:42,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 141 states and 173 transitions. [2023-11-24 22:56:43,525 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 173 transitions. [2023-11-24 22:56:43,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:43,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:43,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 142 states and 175 transitions. [2023-11-24 22:56:43,842 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 175 transitions. [2023-11-24 22:56:43,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:43,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:43,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:44,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 143 states and 176 transitions. [2023-11-24 22:56:44,630 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 176 transitions. [2023-11-24 22:56:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:56:44,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:44,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:45,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:46,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 146 states and 182 transitions. [2023-11-24 22:56:46,890 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 182 transitions. [2023-11-24 22:56:46,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:56:46,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:46,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 148 states and 186 transitions. [2023-11-24 22:56:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 186 transitions. [2023-11-24 22:56:49,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:49,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 154 states and 194 transitions. [2023-11-24 22:56:51,526 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 194 transitions. [2023-11-24 22:56:51,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:51,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 153 states and 193 transitions. [2023-11-24 22:56:51,579 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 193 transitions. [2023-11-24 22:56:51,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:51,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 155 states and 196 transitions. [2023-11-24 22:56:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 196 transitions. [2023-11-24 22:56:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:51,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 154 states and 195 transitions. [2023-11-24 22:56:51,910 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 195 transitions. [2023-11-24 22:56:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:51,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:53,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:53,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 155 states and 197 transitions. [2023-11-24 22:56:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 197 transitions. [2023-11-24 22:56:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:53,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:53,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:53,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 157 states and 201 transitions. [2023-11-24 22:56:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 201 transitions. [2023-11-24 22:56:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:54,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:54,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:54,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:55,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 159 states and 204 transitions. [2023-11-24 22:56:55,393 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2023-11-24 22:56:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:55,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 158 states and 203 transitions. [2023-11-24 22:56:55,480 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 203 transitions. [2023-11-24 22:56:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:55,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 159 states and 205 transitions. [2023-11-24 22:56:56,435 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2023-11-24 22:56:56,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:56,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:56,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:57,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 162 states and 210 transitions. [2023-11-24 22:56:57,605 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 210 transitions. [2023-11-24 22:56:57,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:57,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 161 states and 209 transitions. [2023-11-24 22:56:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 209 transitions. [2023-11-24 22:56:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:57,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:57,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 160 states and 208 transitions. [2023-11-24 22:56:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2023-11-24 22:56:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:57,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 163 states and 213 transitions. [2023-11-24 22:57:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 213 transitions. [2023-11-24 22:57:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:00,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:00,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:00,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 164 states and 214 transitions. [2023-11-24 22:57:00,442 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 214 transitions. [2023-11-24 22:57:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:00,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:00,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 170 states and 225 transitions. [2023-11-24 22:57:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 225 transitions. [2023-11-24 22:57:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:03,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:03,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:04,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 172 states and 228 transitions. [2023-11-24 22:57:04,254 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 228 transitions. [2023-11-24 22:57:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:04,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:04,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 174 states and 231 transitions. [2023-11-24 22:57:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 231 transitions. [2023-11-24 22:57:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:57:06,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:06,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:06,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:06,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 175 states and 231 transitions. [2023-11-24 22:57:06,782 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2023-11-24 22:57:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:57:06,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:06,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 176 states and 233 transitions. [2023-11-24 22:57:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 233 transitions. [2023-11-24 22:57:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:57:07,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:07,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:07,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:08,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 177 states and 234 transitions. [2023-11-24 22:57:08,005 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 234 transitions. [2023-11-24 22:57:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:08,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:08,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 181 states and 241 transitions. [2023-11-24 22:57:10,963 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 241 transitions. [2023-11-24 22:57:10,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:57:10,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:10,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:13,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 183 states and 245 transitions. [2023-11-24 22:57:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2023-11-24 22:57:13,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:57:13,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:13,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:57:13,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:57:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:57:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:57:13,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:57:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:57:13,175 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 43 iterations. [2023-11-24 22:57:13,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-24 22:57:13,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated [2023-11-24 22:57:13,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem14 [2023-11-24 22:57:13,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:57:13 ImpRootNode [2023-11-24 22:57:13,227 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:57:13,228 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:57:13,228 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:57:13,228 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:57:13,229 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:36" (3/4) ... [2023-11-24 22:57:13,231 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:57:13,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:57:13,236 INFO L158 Benchmark]: Toolchain (without parser) took 37869.09ms. Allocated memory was 192.9MB in the beginning and 488.6MB in the end (delta: 295.7MB). Free memory was 152.6MB in the beginning and 268.4MB in the end (delta: -115.9MB). Peak memory consumption was 181.8MB. Max. memory is 16.1GB. [2023-11-24 22:57:13,237 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory was 95.5MB in the beginning and 95.5MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:13,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.39ms. Allocated memory is still 192.9MB. Free memory was 152.6MB in the beginning and 134.6MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:57:13,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.47ms. Allocated memory is still 192.9MB. Free memory was 134.6MB in the beginning and 132.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:13,240 INFO L158 Benchmark]: Boogie Preprocessor took 69.51ms. Allocated memory is still 192.9MB. Free memory was 132.5MB in the beginning and 130.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:13,245 INFO L158 Benchmark]: RCFGBuilder took 805.30ms. Allocated memory is still 192.9MB. Free memory was 130.4MB in the beginning and 100.1MB in the end (delta: 30.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 22:57:13,246 INFO L158 Benchmark]: CodeCheck took 36285.23ms. Allocated memory was 192.9MB in the beginning and 488.6MB in the end (delta: 295.7MB). Free memory was 100.1MB in the beginning and 269.5MB in the end (delta: -169.3MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2023-11-24 22:57:13,247 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 488.6MB. Free memory was 269.5MB in the beginning and 268.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:13,252 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, 126 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 36.2s, OverallIterations: 43, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4567 SdHoareTripleChecker+Valid, 22.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3077 mSDsluCounter, 3109 SdHoareTripleChecker+Invalid, 18.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2201 mSDsCounter, 3166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11013 IncrementalHoareTripleChecker+Invalid, 14179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3166 mSolverCounterUnsat, 908 mSDtfsCounter, 11013 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3719 GetRequests, 3357 SyntacticMatches, 52 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42637 ImplicationChecksByTransitivity, 29.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 498 NumberOfCodeBlocks, 498 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 1982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 41 PerfectInterpolantSequences, 0/3 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 - UnprovableResult [Line: 991]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 991. Possible FailurePath: [L1005] SLL* list = malloc(sizeof(SLL)); [L1006] list->next = ((void*)0) VAL [list={-1:0}] [L1007] list->prev = ((void*)0) VAL [list={-1:0}] [L1008] list->colour = BLACK [L1010] SLL* end = list; VAL [end={-1:0}, list={-1:0}] [L1013] COND FALSE !(__VERIFIER_nondet_int()) [L1036] end = ((void*)0) [L1037] end = list VAL [end={-1:0}, list={-1:0}] [L1040] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}] [L1041] EXPR end->colour VAL [end={-1:0}, list={-1:0}] [L1041] COND FALSE !(!(BLACK == end->colour)) [L1043] COND TRUE ((void*)0) != end VAL [end={-1:0}, list={-1:0}] [L1045] EXPR end->colour VAL [end={-1:0}, list={-1:0}] [L1045] COND FALSE !(RED == end->colour) [L1051] EXPR end->next VAL [end={-1:0}, list={-1:0}] [L1051] COND TRUE !(end->next) [L1051] CALL reach_error() [L991] COND FALSE !(0) [L991] __assert_fail ("0", "dll-rb-cnstr_1-2.c", 11, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory was 95.5MB in the beginning and 95.5MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.39ms. Allocated memory is still 192.9MB. Free memory was 152.6MB in the beginning and 134.6MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.47ms. Allocated memory is still 192.9MB. Free memory was 134.6MB in the beginning and 132.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.51ms. Allocated memory is still 192.9MB. Free memory was 132.5MB in the beginning and 130.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 805.30ms. Allocated memory is still 192.9MB. Free memory was 130.4MB in the beginning and 100.1MB in the end (delta: 30.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 36285.23ms. Allocated memory was 192.9MB in the beginning and 488.6MB in the end (delta: 295.7MB). Free memory was 100.1MB in the beginning and 269.5MB in the end (delta: -169.3MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 488.6MB. Free memory was 269.5MB in the beginning and 268.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem14 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:57:13,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi --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 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:16,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:16,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 22:57:16,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:16,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:16,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:16,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:16,232 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:16,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:16,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:16,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:16,240 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:57:16,240 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:57:16,242 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:57:16,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:16,243 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:57:16,244 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:57:16,244 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:57:16,245 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:57:16,247 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:16,247 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:16,248 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:16,249 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:16,249 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:16,250 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:16,250 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:16,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:16,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:16,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:16,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:16,254 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:57:16,255 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:16,255 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:57:16,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:16,256 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 [2023-11-24 22:57:16,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:16,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:16,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:16,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:16,761 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:16,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2023-11-24 22:57:20,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:20,692 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:20,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2023-11-24 22:57:20,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/data/1874fd4ea/111f77f7440e4f6abfe518fbb6f87b34/FLAG2218d3f39 [2023-11-24 22:57:20,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c500167c-323d-4e8d-ad5b-cdafef835115/bin/ukojak-verify-afCqCEvfdi/data/1874fd4ea/111f77f7440e4f6abfe518fbb6f87b34 [2023-11-24 22:57:20,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:20,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:20,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:20,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:20,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:20,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:20" (1/1) ... [2023-11-24 22:57:20,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d48cca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:20, skipping insertion in model container [2023-11-24 22:57:20,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:20" (1/1) ... [2023-11-24 22:57:20,827 INFO L177 MainTranslator]: Built tables and reachable declarations