./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:42:58,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:42:59,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:42:59,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:42:59,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:42:59,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:42:59,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:42:59,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:42:59,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:42:59,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:42:59,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:42:59,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:42:59,041 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:42:59,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:42:59,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:42:59,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:42:59,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:42:59,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:42:59,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:42:59,045 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:42:59,045 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:42:59,046 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:42:59,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:42:59,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:42:59,047 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:42:59,048 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:42:59,048 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:42:59,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:42:59,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:42:59,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:42:59,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:42:59,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:42:59,051 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:42:59,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:42:59,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:42:59,052 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_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d [2023-12-03 04:42:59,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:42:59,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:42:59,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:42:59,310 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:42:59,310 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:42:59,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i [2023-12-03 04:43:02,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:43:02,259 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:43:02,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i [2023-12-03 04:43:02,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/data/3924bc019/8bf303a4ee1e4469a2e02ed9525a024e/FLAG74d4f1b64 [2023-12-03 04:43:02,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/data/3924bc019/8bf303a4ee1e4469a2e02ed9525a024e [2023-12-03 04:43:02,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:43:02,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:43:02,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:02,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:43:02,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:43:02,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b6a74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02, skipping insertion in model container [2023-12-03 04:43:02,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,345 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:43:02,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:02,667 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:43:02,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:02,745 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:43:02,751 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:43:02,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02 WrapperNode [2023-12-03 04:43:02,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:02,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:02,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:43:02,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:43:02,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,801 INFO L138 Inliner]: procedures = 164, calls = 71, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 123 [2023-12-03 04:43:02,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:02,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:43:02,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:43:02,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:43:02,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:43:02,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:43:02,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:43:02,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:43:02,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:02,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:43:02,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:43:02,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:43:02,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:43:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2023-12-03 04:43:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2023-12-03 04:43:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-03 04:43:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-03 04:43:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2023-12-03 04:43:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2023-12-03 04:43:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:43:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:43:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:43:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:43:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:43:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:43:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 04:43:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:43:02,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:43:03,018 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:43:03,020 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:43:03,218 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:43:03,324 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:43:03,324 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:43:03,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:03 BoogieIcfgContainer [2023-12-03 04:43:03,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:43:03,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:43:03,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:43:03,338 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:43:03,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:03" (1/1) ... [2023-12-03 04:43:03,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:43:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:03,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-12-03 04:43:03,412 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-12-03 04:43:03,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:43:03,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:03,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:03,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2023-12-03 04:43:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2023-12-03 04:43:03,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:43:03,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:03,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:04,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:04,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-12-03 04:43:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-12-03 04:43:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:43:04,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:04,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-12-03 04:43:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-12-03 04:43:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:43:04,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:04,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2023-12-03 04:43:04,720 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2023-12-03 04:43:04,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:43:04,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:04,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:04,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 41 states and 47 transitions. [2023-12-03 04:43:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2023-12-03 04:43:04,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:43:04,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:04,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 42 states and 48 transitions. [2023-12-03 04:43:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2023-12-03 04:43:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:43:05,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:05,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:05,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2023-12-03 04:43:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2023-12-03 04:43:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:43:05,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:05,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2023-12-03 04:43:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2023-12-03 04:43:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:43:06,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:06,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:07,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:07,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2023-12-03 04:43:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2023-12-03 04:43:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:43:07,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:07,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2023-12-03 04:43:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-12-03 04:43:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:43:08,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:08,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:09,119 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:09,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2023-12-03 04:43:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2023-12-03 04:43:09,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:43:09,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:09,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2023-12-03 04:43:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2023-12-03 04:43:10,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:43:10,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:10,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:12,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:12,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2023-12-03 04:43:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2023-12-03 04:43:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:43:12,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:12,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:13,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2023-12-03 04:43:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-12-03 04:43:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:43:13,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:13,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2023-12-03 04:43:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2023-12-03 04:43:14,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:43:14,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:14,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:15,222 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:16,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2023-12-03 04:43:16,113 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2023-12-03 04:43:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:43:16,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:16,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:17,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2023-12-03 04:43:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2023-12-03 04:43:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:43:17,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:17,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:18,150 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2023-12-03 04:43:19,180 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-12-03 04:43:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:43:19,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:19,784 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:20,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2023-12-03 04:43:20,934 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2023-12-03 04:43:20,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:43:20,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:20,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2023-12-03 04:43:22,609 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2023-12-03 04:43:22,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:43:22,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:22,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2023-12-03 04:43:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2023-12-03 04:43:27,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:43:27,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:27,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:43:46,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 72 states and 82 transitions. [2023-12-03 04:43:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2023-12-03 04:43:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 04:43:46,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:46,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:43:47,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:47,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 71 states and 81 transitions. [2023-12-03 04:43:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2023-12-03 04:43:47,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 04:43:47,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:47,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:43:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 85 transitions. [2023-12-03 04:43:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2023-12-03 04:43:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 04:43:55,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:55,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:58,394 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:44:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 78 states and 90 transitions. [2023-12-03 04:44:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-12-03 04:44:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:44:02,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:44:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:16,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 80 states and 98 transitions. [2023-12-03 04:44:16,332 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 98 transitions. [2023-12-03 04:44:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:16,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:16,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 04:44:19,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:19,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 77 states and 97 transitions. [2023-12-03 04:44:19,895 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions. [2023-12-03 04:44:19,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:44:19,896 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2023-12-03 04:44:19,902 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-03 04:44:20,775 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:44:20,778 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:44:20,778 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:44:20,779 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-12-03 04:44:20,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~v!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 04:44:20,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~v!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-03 04:44:20,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~2 [2023-12-03 04:44:20,782 INFO L560 CodeCheckObserver]: Invariant with dag size 89 [2023-12-03 04:44:20,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-12-03 04:44:20,789 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:44:20,789 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:44:20,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:44:20 ImpRootNode [2023-12-03 04:44:20,789 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:44:20,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:44:20,790 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:44:20,790 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:44:20,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:03" (3/4) ... [2023-12-03 04:44:20,792 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:44:20,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-12-03 04:44:20,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2023-12-03 04:44:20,794 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2023-12-03 04:44:20,799 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2023-12-03 04:44:20,799 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-12-03 04:44:20,799 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 04:44:20,800 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:44:20,887 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:44:20,888 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:44:20,888 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:44:20,888 INFO L158 Benchmark]: Toolchain (without parser) took 78596.49ms. Allocated memory was 151.0MB in the beginning and 616.6MB in the end (delta: 465.6MB). Free memory was 106.4MB in the beginning and 365.2MB in the end (delta: -258.9MB). Peak memory consumption was 207.4MB. Max. memory is 16.1GB. [2023-12-03 04:44:20,889 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:44:20,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.05ms. Allocated memory is still 151.0MB. Free memory was 106.4MB in the beginning and 84.7MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 04:44:20,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.59ms. Allocated memory is still 151.0MB. Free memory was 84.7MB in the beginning and 82.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:44:20,890 INFO L158 Benchmark]: Boogie Preprocessor took 37.92ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:44:20,890 INFO L158 Benchmark]: RCFGBuilder took 484.98ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 79.9MB in the beginning and 170.7MB in the end (delta: -90.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-12-03 04:44:20,891 INFO L158 Benchmark]: CodeCheck took 77461.55ms. Allocated memory was 203.4MB in the beginning and 616.6MB in the end (delta: 413.1MB). Free memory was 170.6MB in the beginning and 371.5MB in the end (delta: -200.9MB). Peak memory consumption was 210.8MB. Max. memory is 16.1GB. [2023-12-03 04:44:20,891 INFO L158 Benchmark]: Witness Printer took 98.24ms. Allocated memory is still 616.6MB. Free memory was 371.5MB in the beginning and 365.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:44:20,893 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 4 procedures, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 76.5s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1461 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 295 mSDsluCounter, 678 SdHoareTripleChecker+Invalid, 9.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 142 mSDsCounter, 2588 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4685 IncrementalHoareTripleChecker+Invalid, 7273 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2588 mSolverCounterUnsat, 536 mSDtfsCounter, 4685 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5147 GetRequests, 4476 SyntacticMatches, 199 SemanticMatches, 472 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94460 ImplicationChecksByTransitivity, 62.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 25.3s InterpolantComputationTime, 697 NumberOfCodeBlocks, 697 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 670 ConstructedInterpolants, 0 QuantifiedInterpolants, 4206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 6 PerfectInterpolantSequences, 169/1505 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.05ms. Allocated memory is still 151.0MB. Free memory was 106.4MB in the beginning and 84.7MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.59ms. Allocated memory is still 151.0MB. Free memory was 84.7MB in the beginning and 82.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.92ms. Allocated memory is still 151.0MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.98ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 79.9MB in the beginning and 170.7MB in the end (delta: -90.9MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * CodeCheck took 77461.55ms. Allocated memory was 203.4MB in the beginning and 616.6MB in the end (delta: 413.1MB). Free memory was 170.6MB in the beginning and 371.5MB in the end (delta: -200.9MB). Peak memory consumption was 210.8MB. Max. memory is 16.1GB. * Witness Printer took 98.24ms. Allocated memory is still 616.6MB. Free memory was 371.5MB in the beginning and 365.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~v!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~v!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 RESULT: Ultimate proved your program to be correct! [2023-12-03 04:44:20,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a0faab-7b1c-4185-8818-30ca3d1eb406/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE