./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 9bd2c7ff 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_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/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_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/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_121c3245-5e7e-4a7b-b656-71f8827a716e/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 cd9bd7b6c1446abd728b90c98a54cb367face4c5994cfeca4979c2dbc50ad4d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:33:06,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:33:06,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:33:06,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:33:06,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:33:06,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:33:06,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:33:06,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:33:06,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:33:06,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:33:06,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:33:06,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:33:06,288 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:33:06,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:33:06,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:33:06,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:33:06,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:33:06,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:33:06,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:33:06,292 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:33:06,292 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:33:06,293 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:33:06,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:33:06,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:33:06,295 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:33:06,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:33:06,295 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:33:06,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:33:06,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:06,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:33:06,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:33:06,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:33:06,298 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:33:06,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:33:06,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:33:06,299 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_121c3245-5e7e-4a7b-b656-71f8827a716e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd9bd7b6c1446abd728b90c98a54cb367face4c5994cfeca4979c2dbc50ad4d3 [2023-11-19 02:33:06,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:33:06,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:33:06,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:33:06,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:33:06,692 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:33:06,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-simple/sll2c_remove_all.i [2023-11-19 02:33:09,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:33:10,159 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:33:10,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/sv-benchmarks/c/list-simple/sll2c_remove_all.i [2023-11-19 02:33:10,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/data/be9462449/5f646d02c38e4a1e8776d5af0ef788b6/FLAG6c6de0a42 [2023-11-19 02:33:10,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/data/be9462449/5f646d02c38e4a1e8776d5af0ef788b6 [2023-11-19 02:33:10,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:33:10,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:33:10,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:10,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:33:10,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:33:10,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb0dd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10, skipping insertion in model container [2023-11-19 02:33:10,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:33:10,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:10,570 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:33:10,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:10,702 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:33:10,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10 WrapperNode [2023-11-19 02:33:10,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:10,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:10,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:33:10,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:33:10,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,807 INFO L138 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 119 [2023-11-19 02:33:10,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:10,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:33:10,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:33:10,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:33:10,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:33:10,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:33:10,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:33:10,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:33:10,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:10" (1/1) ... [2023-11-19 02:33:10,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:10,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:33:10,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:33:10,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:33:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:33:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-19 02:33:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-19 02:33:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:33:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:33:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:33:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:33:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:33:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:33:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:33:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:33:10,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:33:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:33:11,143 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:33:11,146 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:33:11,397 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:33:11,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:33:11,473 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:33:11,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:11 BoogieIcfgContainer [2023-11-19 02:33:11,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:33:11,484 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:33:11,484 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:33:11,496 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:33:11,496 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:11" (1/1) ... [2023-11-19 02:33:11,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:33:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-19 02:33:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-19 02:33:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:33:11,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:11,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:12,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 33 transitions. [2023-11-19 02:33:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-19 02:33:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:33:12,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:12,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:33:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 37 transitions. [2023-11-19 02:33:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-19 02:33:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:33:12,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:12,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:33:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:12,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 38 transitions. [2023-11-19 02:33:12,703 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-19 02:33:12,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:33:12,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:12,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 46 transitions. [2023-11-19 02:33:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2023-11-19 02:33:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:33:12,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:12,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 47 transitions. [2023-11-19 02:33:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2023-11-19 02:33:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:33:13,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:13,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:13,333 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:33:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 38 transitions. [2023-11-19 02:33:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-11-19 02:33:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:33:13,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:13,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:13,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:13,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 37 transitions. [2023-11-19 02:33:13,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-19 02:33:13,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:33:13,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:13,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:13,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:13,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:13,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 40 transitions. [2023-11-19 02:33:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-19 02:33:13,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:33:13,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:13,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:13,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 48 transitions. [2023-11-19 02:33:13,910 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2023-11-19 02:33:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:33:13,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:13,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:14,098 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:14,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:14,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 56 transitions. [2023-11-19 02:33:14,325 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-19 02:33:14,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:14,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:14,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:14,889 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 02:33:15,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:15,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 62 transitions. [2023-11-19 02:33:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2023-11-19 02:33:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:33:15,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:15,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:16,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 62 transitions. [2023-11-19 02:33:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2023-11-19 02:33:16,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:33:16,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:16,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:17,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:17,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 51 transitions. [2023-11-19 02:33:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-19 02:33:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:33:17,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:17,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:20,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 63 transitions. [2023-11-19 02:33:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-19 02:33:20,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:33:20,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:20,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:22,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 70 transitions. [2023-11-19 02:33:22,643 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2023-11-19 02:33:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:33:22,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:22,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:33:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 74 transitions. [2023-11-19 02:33:24,114 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2023-11-19 02:33:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:33:24,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:24,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:26,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 81 transitions. [2023-11-19 02:33:26,322 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2023-11-19 02:33:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:33:26,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:26,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:33:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:28,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 35 states and 44 transitions. [2023-11-19 02:33:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-19 02:33:28,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:33:28,278 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-19 02:33:28,288 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 02:33:28,671 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:33:28,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-19 02:33:28,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-19 02:33:28,678 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-19 02:33:28,679 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:33:28,680 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:33:28,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:33:28 ImpRootNode [2023-11-19 02:33:28,680 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:33:28,681 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:33:28,681 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:33:28,681 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:33:28,682 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:11" (3/4) ... [2023-11-19 02:33:28,684 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:33:28,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2023-11-19 02:33:28,694 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-19 02:33:28,694 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 02:33:28,695 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:33:28,695 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:33:28,837 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:33:28,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:33:28,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:33:28,841 INFO L158 Benchmark]: Toolchain (without parser) took 18648.27ms. Allocated memory was 155.2MB in the beginning and 232.8MB in the end (delta: 77.6MB). Free memory was 123.6MB in the beginning and 99.2MB in the end (delta: 24.5MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2023-11-19 02:33:28,842 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:33:28,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.76ms. Allocated memory is still 155.2MB. Free memory was 123.6MB in the beginning and 106.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:33:28,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.88ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 104.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:33:28,843 INFO L158 Benchmark]: Boogie Preprocessor took 83.69ms. Allocated memory is still 155.2MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:33:28,844 INFO L158 Benchmark]: RCFGBuilder took 589.55ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 83.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:33:28,850 INFO L158 Benchmark]: CodeCheck took 17196.11ms. Allocated memory was 155.2MB in the beginning and 232.8MB in the end (delta: 77.6MB). Free memory was 83.3MB in the beginning and 104.5MB in the end (delta: -21.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2023-11-19 02:33:28,851 INFO L158 Benchmark]: Witness Printer took 159.63ms. Allocated memory is still 232.8MB. Free memory was 104.5MB in the beginning and 99.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:33:28,853 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: 16.8s, 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, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 685 mSDsluCounter, 1074 SdHoareTripleChecker+Invalid, 4.5s 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, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s 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 0.21ms. Allocated memory is still 123.7MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.76ms. Allocated memory is still 155.2MB. Free memory was 123.6MB in the beginning and 106.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.88ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 104.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.69ms. Allocated memory is still 155.2MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.55ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 83.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 17196.11ms. Allocated memory was 155.2MB in the beginning and 232.8MB in the end (delta: 77.6MB). Free memory was 83.3MB in the beginning and 104.5MB in the end (delta: -21.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 159.63ms. Allocated memory is still 232.8MB. Free memory was 104.5MB in the beginning and 99.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 RESULT: Ultimate proved your program to be correct! [2023-11-19 02:33:28,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121c3245-5e7e-4a7b-b656-71f8827a716e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE