./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2c_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC --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 cd9bd7b6c1446abd728b90c98a54cb367face4c5994cfeca4979c2dbc50ad4d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:27,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:27,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:19:27,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:27,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:27,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:27,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:27,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:27,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:27,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:27,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:27,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:27,986 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:19:27,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:27,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:19:27,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:27,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:27,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:27,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:27,991 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:27,991 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:27,992 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:19:27,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:27,994 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:27,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:27,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:27,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:27,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:27,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:27,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:27,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:27,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:27,999 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:27,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:27,999 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:27,999 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_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd9bd7b6c1446abd728b90c98a54cb367face4c5994cfeca4979c2dbc50ad4d3 [2023-11-23 20:19:28,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:28,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:28,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:28,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:28,336 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:28,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/list-simple/sll2c_remove_all.i [2023-11-23 20:19:31,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:31,852 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:31,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/sv-benchmarks/c/list-simple/sll2c_remove_all.i [2023-11-23 20:19:31,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/data/067c7fd9f/51cda9d02e054e70839768cb7d855e3f/FLAG62d157657 [2023-11-23 20:19:31,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/data/067c7fd9f/51cda9d02e054e70839768cb7d855e3f [2023-11-23 20:19:31,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:31,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:31,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:31,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:31,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:31,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:31" (1/1) ... [2023-11-23 20:19:31,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da3b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:31, skipping insertion in model container [2023-11-23 20:19:31,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:31" (1/1) ... [2023-11-23 20:19:31,996 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:32,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:32,367 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:32,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:32,454 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:32,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32 WrapperNode [2023-11-23 20:19:32,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:32,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:32,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:32,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:32,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,557 INFO L138 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 119 [2023-11-23 20:19:32,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:32,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:32,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:32,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:32,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:32,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:32,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:32,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:32,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:32" (1/1) ... [2023-11-23 20:19:32,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:32,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:32,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:32,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:19:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-23 20:19:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-23 20:19:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:19:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:19:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:19:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:19:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:19:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:19:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:32,826 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:32,837 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:33,072 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:33,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:33,136 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:19:33,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:33 BoogieIcfgContainer [2023-11-23 20:19:33,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:33,139 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:33,139 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:33,150 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:33,151 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:33" (1/1) ... [2023-11-23 20:19:33,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-23 20:19:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-23 20:19:33,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:19:33,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:33,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:33,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 33 transitions. [2023-11-23 20:19:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-23 20:19:33,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:19:33,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:33,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:19:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:34,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 37 transitions. [2023-11-23 20:19:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-23 20:19:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:19:34,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:34,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:19:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 38 transitions. [2023-11-23 20:19:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-23 20:19:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:19:34,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 46 transitions. [2023-11-23 20:19:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2023-11-23 20:19:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:19:34,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:34,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:34,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 47 transitions. [2023-11-23 20:19:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2023-11-23 20:19:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:19:34,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:34,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:19:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 38 transitions. [2023-11-23 20:19:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-11-23 20:19:35,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:19:35,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:35,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 37 transitions. [2023-11-23 20:19:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-23 20:19:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:19:35,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:35,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:35,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:35,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 40 transitions. [2023-11-23 20:19:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-23 20:19:35,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:19:35,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:35,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:35,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 48 transitions. [2023-11-23 20:19:35,571 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2023-11-23 20:19:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:19:35,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:35,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 56 transitions. [2023-11-23 20:19:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-23 20:19:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:19:35,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:35,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:36,645 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:19:37,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 62 transitions. [2023-11-23 20:19:37,766 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2023-11-23 20:19:37,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:19:37,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:37,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:38,001 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 62 transitions. [2023-11-23 20:19:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2023-11-23 20:19:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:19:38,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:38,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:39,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:39,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 51 transitions. [2023-11-23 20:19:39,569 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-23 20:19:39,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:19:39,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:39,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:19:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 63 transitions. [2023-11-23 20:19:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-23 20:19:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:19:42,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:42,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 70 transitions. [2023-11-23 20:19:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2023-11-23 20:19:44,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:19:44,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:44,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:45,141 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 20:19:46,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:46,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 74 transitions. [2023-11-23 20:19:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2023-11-23 20:19:46,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:19:46,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 81 transitions. [2023-11-23 20:19:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2023-11-23 20:19:48,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:19:48,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:48,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:50,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 35 states and 44 transitions. [2023-11-23 20:19:50,868 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-23 20:19:50,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:19:50,869 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-23 20:19:50,881 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:19:51,269 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-23 20:19:51,275 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-23 20:19:51,278 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-23 20:19:51,279 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-23 20:19:51,281 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:19:51,282 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:19:51,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:19:51 ImpRootNode [2023-11-23 20:19:51,283 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:19:51,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:19:51,285 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:19:51,285 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:19:51,286 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:33" (3/4) ... [2023-11-23 20:19:51,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:19:51,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2023-11-23 20:19:51,305 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-23 20:19:51,306 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:19:51,307 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:19:51,307 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:19:51,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:19:51,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:19:51,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:19:51,479 INFO L158 Benchmark]: Toolchain (without parser) took 19573.15ms. Allocated memory was 121.6MB in the beginning and 287.3MB in the end (delta: 165.7MB). Free memory was 74.8MB in the beginning and 133.1MB in the end (delta: -58.3MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,480 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:51,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.76ms. Allocated memory is still 121.6MB. Free memory was 74.8MB in the beginning and 57.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.94ms. Allocated memory is still 121.6MB. Free memory was 57.3MB in the beginning and 90.5MB in the end (delta: -33.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,485 INFO L158 Benchmark]: Boogie Preprocessor took 58.58ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 90.5MB in the beginning and 138.2MB in the end (delta: -47.7MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,485 INFO L158 Benchmark]: RCFGBuilder took 519.67ms. Allocated memory is still 165.7MB. Free memory was 138.2MB in the beginning and 119.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,486 INFO L158 Benchmark]: CodeCheck took 18145.20ms. Allocated memory was 165.7MB in the beginning and 287.3MB in the end (delta: 121.6MB). Free memory was 119.3MB in the beginning and 138.3MB in the end (delta: -19.0MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,487 INFO L158 Benchmark]: Witness Printer took 194.24ms. Allocated memory is still 287.3MB. Free memory was 138.3MB in the beginning and 133.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:19:51,490 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, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 17.7s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1391 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 685 mSDsluCounter, 1074 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 522 mSDsCounter, 650 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2349 IncrementalHoareTripleChecker+Invalid, 2999 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 650 mSolverCounterUnsat, 552 mSDtfsCounter, 2349 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3195 GetRequests, 2999 SyntacticMatches, 30 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10365 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 1362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 132/178 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: 590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 617]: 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: 602]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.76ms. Allocated memory is still 121.6MB. Free memory was 74.8MB in the beginning and 57.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.94ms. Allocated memory is still 121.6MB. Free memory was 57.3MB in the beginning and 90.5MB in the end (delta: -33.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.58ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 90.5MB in the beginning and 138.2MB in the end (delta: -47.7MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * RCFGBuilder took 519.67ms. Allocated memory is still 165.7MB. Free memory was 138.2MB in the beginning and 119.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 18145.20ms. Allocated memory was 165.7MB in the beginning and 287.3MB in the end (delta: 121.6MB). Free memory was 119.3MB in the beginning and 138.3MB in the end (delta: -19.0MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. * Witness Printer took 194.24ms. Allocated memory is still 287.3MB. Free memory was 138.3MB in the beginning and 133.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 RESULT: Ultimate proved your program to be correct! [2023-11-23 20:19:51,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95694f7e-7594-46f4-972c-418200dca3f6/bin/ukojak-verify-1t5iHCbJaC/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