./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL --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 db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:33,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:33,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:56:33,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:33,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:33,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:33,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:33,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:33,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:33,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:33,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:33,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:33,739 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:33,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:33,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:33,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:33,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:33,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:33,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:33,742 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:56:33,742 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:33,743 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:33,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:33,743 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:33,744 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:33,744 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:33,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:33,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:33,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:33,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:33,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:33,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:33,747 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:33,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:33,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:33,748 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_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 [2023-11-19 02:56:33,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:34,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:34,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:34,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:34,032 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:34,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2023-11-19 02:56:37,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:37,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:37,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2023-11-19 02:56:37,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/data/ae04a69ba/b24426a7e0c644d59469011dc0cd57a2/FLAG085456a47 [2023-11-19 02:56:37,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/data/ae04a69ba/b24426a7e0c644d59469011dc0cd57a2 [2023-11-19 02:56:37,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:37,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:37,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:37,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:37,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:37,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:37,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f78cd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37, skipping insertion in model container [2023-11-19 02:56:37,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:37,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:37,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:37,892 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:37,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:37,984 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:37,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37 WrapperNode [2023-11-19 02:56:37,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:37,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:37,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:37,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:37,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,079 INFO L138 Inliner]: procedures = 125, calls = 95, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 299 [2023-11-19 02:56:38,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:38,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:38,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:38,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:38,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:38,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:38,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:38,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:38,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:38,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:38,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:38,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:38,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:56:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:56:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:56:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure append [2023-11-19 02:56:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2023-11-19 02:56:38,344 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:38,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:38,954 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:39,409 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:39,409 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-19 02:56:39,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:39 BoogieIcfgContainer [2023-11-19 02:56:39,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:39,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:39,420 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:39,430 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:39,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:39" (1/1) ... [2023-11-19 02:56:39,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:39,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2023-11-19 02:56:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-11-19 02:56:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:56:39,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:39,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:40,477 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-19 02:56:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2023-11-19 02:56:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2023-11-19 02:56:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:56:40,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:40,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 02:56:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2023-11-19 02:56:42,247 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2023-11-19 02:56:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:56:42,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:42,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 02:56:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2023-11-19 02:56:43,147 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2023-11-19 02:56:43,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:56:43,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:43,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 02:56:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:44,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2023-11-19 02:56:44,364 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2023-11-19 02:56:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:56:44,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:44,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-19 02:56:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2023-11-19 02:56:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2023-11-19 02:56:45,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:56:45,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:45,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-19 02:56:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:45,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2023-11-19 02:56:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2023-11-19 02:56:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:56:45,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:45,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 02:56:47,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2023-11-19 02:56:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2023-11-19 02:56:47,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:56:47,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 02:56:48,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 02:56:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 02:56:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 02:56:48,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:48,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-11-19 02:56:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2023-11-19 02:56:48,928 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-19 02:56:48,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:56:48,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-11-19 02:56:49,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2023-11-19 02:56:49,970 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-11-19 02:56:49,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 02:56:49,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-19 02:56:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2023-11-19 02:56:51,275 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2023-11-19 02:56:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 02:56:51,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:51,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-19 02:56:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 60 states and 85 transitions. [2023-11-19 02:56:52,732 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2023-11-19 02:56:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 02:56:52,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:52,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:53,972 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-19 02:56:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2023-11-19 02:56:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-19 02:56:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 02:56:54,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:54,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-19 02:56:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2023-11-19 02:56:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-19 02:56:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 02:56:56,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:56,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-19 02:56:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:57,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2023-11-19 02:56:57,197 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2023-11-19 02:56:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 02:56:57,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:57,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:57,912 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-19 02:56:58,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:58,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2023-11-19 02:56:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-11-19 02:56:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 02:56:58,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:58,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:59,056 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-19 02:56:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2023-11-19 02:56:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-19 02:56:59,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:56:59,170 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-11-19 02:56:59,182 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 02:56:59,293 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:56:59,300 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:59,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:59,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:59,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:59,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:59,301 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:59,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:59,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:59,302 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:56:59,302 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:59,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:56:59 ImpRootNode [2023-11-19 02:56:59,303 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:56:59,304 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:56:59,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:56:59,304 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:56:59,305 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:39" (3/4) ... [2023-11-19 02:56:59,307 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:56:59,310 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2023-11-19 02:56:59,319 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2023-11-19 02:56:59,320 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 02:56:59,321 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 02:56:59,322 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:56:59,472 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:56:59,473 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:56:59,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:56:59,474 INFO L158 Benchmark]: Toolchain (without parser) took 21981.32ms. Allocated memory was 201.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 153.7MB in the beginning and 798.7MB in the end (delta: -645.0MB). Peak memory consumption was 751.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:59,474 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:59,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.45ms. Allocated memory is still 201.3MB. Free memory was 153.3MB in the beginning and 134.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:56:59,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.66ms. Allocated memory is still 201.3MB. Free memory was 134.4MB in the beginning and 131.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:56:59,475 INFO L158 Benchmark]: Boogie Preprocessor took 65.26ms. Allocated memory is still 201.3MB. Free memory was 131.7MB in the beginning and 128.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:59,476 INFO L158 Benchmark]: RCFGBuilder took 1270.17ms. Allocated memory is still 201.3MB. Free memory was 128.6MB in the beginning and 82.4MB in the end (delta: 46.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2023-11-19 02:56:59,476 INFO L158 Benchmark]: CodeCheck took 19883.56ms. Allocated memory was 201.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 82.4MB in the beginning and 807.1MB in the end (delta: -724.7MB). Peak memory consumption was 670.9MB. Max. memory is 16.1GB. [2023-11-19 02:56:59,476 INFO L158 Benchmark]: Witness Printer took 169.22ms. Allocated memory is still 1.6GB. Free memory was 807.1MB in the beginning and 798.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:56:59,479 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 2 procedures, 49 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2656 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 902 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 528 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1406 IncrementalHoareTripleChecker+Invalid, 1934 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 528 mSolverCounterUnsat, 902 mSDtfsCounter, 1406 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6770 GetRequests, 6651 SyntacticMatches, 43 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2693 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 1266 NumberOfCodeBlocks, 1266 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1249 ConstructedInterpolants, 0 QuantifiedInterpolants, 1429 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 3674/3763 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: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: 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: 619]: Loop Invariant Derived loop invariant: ((1 <= counter) || (counter == 0)) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: ((1 <= counter) || (counter == 0)) - InvariantResult [Line: 591]: 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 127.9MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.45ms. Allocated memory is still 201.3MB. Free memory was 153.3MB in the beginning and 134.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.66ms. Allocated memory is still 201.3MB. Free memory was 134.4MB in the beginning and 131.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.26ms. Allocated memory is still 201.3MB. Free memory was 131.7MB in the beginning and 128.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1270.17ms. Allocated memory is still 201.3MB. Free memory was 128.6MB in the beginning and 82.4MB in the end (delta: 46.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * CodeCheck took 19883.56ms. Allocated memory was 201.3MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 82.4MB in the beginning and 807.1MB in the end (delta: -724.7MB). Peak memory consumption was 670.9MB. Max. memory is 16.1GB. * Witness Printer took 169.22ms. Allocated memory is still 1.6GB. Free memory was 807.1MB in the beginning and 798.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:56:59,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7defe7f4-d114-49d3-ac6e-5c0564b9a477/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE