./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/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_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df68cc134d4c89196adaa50333a41be4199690de58eaf3e6fbecc9a5100092fe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:38:36,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:38:36,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:38:37,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:38:37,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:38:37,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:38:37,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:38:37,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:38:37,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:38:37,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:38:37,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:38:37,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:38:37,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:38:37,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:38:37,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:38:37,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:38:37,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:38:37,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:38:37,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:38:37,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:38:37,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:38:37,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:38:37,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:38:37,072 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:38:37,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:38:37,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:38:37,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:37,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:38:37,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:38:37,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:38:37,077 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:38:37,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:38:37,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:38:37,079 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_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df68cc134d4c89196adaa50333a41be4199690de58eaf3e6fbecc9a5100092fe [2023-11-19 03:38:37,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:38:37,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:38:37,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:38:37,426 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:38:37,427 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:38:37,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_loop-invariants/recursified_const.c [2023-11-19 03:38:40,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:38:40,907 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:38:40,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c [2023-11-19 03:38:40,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/data/96fb08a83/4fd39c282db84c69b8e8ae300ee871b8/FLAG9c2311ede [2023-11-19 03:38:40,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/data/96fb08a83/4fd39c282db84c69b8e8ae300ee871b8 [2023-11-19 03:38:40,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:38:40,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:38:40,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:40,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:38:40,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:38:40,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:40" (1/1) ... [2023-11-19 03:38:40,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7865346c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:40, skipping insertion in model container [2023-11-19 03:38:40,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:38:40" (1/1) ... [2023-11-19 03:38:40,978 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:38:41,143 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c[979,992] [2023-11-19 03:38:41,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:41,166 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:38:41,179 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/sv-benchmarks/c/recursified_loop-invariants/recursified_const.c[979,992] [2023-11-19 03:38:41,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:38:41,199 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:38:41,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41 WrapperNode [2023-11-19 03:38:41,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:38:41,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:41,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:38:41,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:38:41,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,236 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-11-19 03:38:41,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:38:41,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:38:41,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:38:41,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:38:41,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:38:41,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:38:41,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:38:41,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:38:41,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:38:41,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:38:41,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:38:41,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:38:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:38:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_18_0 [2023-11-19 03:38:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_18_0 [2023-11-19 03:38:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:38:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:38:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:38:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:38:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:38:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:38:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:38:41,440 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:38:41,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:38:41,680 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:38:41,754 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:38:41,754 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:38:41,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:41 BoogieIcfgContainer [2023-11-19 03:38:41,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:38:41,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:38:41,761 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:38:41,779 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:38:41,779 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:41" (1/1) ... [2023-11-19 03:38:41,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:38:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-19 03:38:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-19 03:38:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:38:41,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:42,752 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 03:38:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 24 transitions. [2023-11-19 03:38:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-19 03:38:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:38:42,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:42,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:43,473 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 03:38:43,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 26 transitions. [2023-11-19 03:38:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-11-19 03:38:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:38:43,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:38:43,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:38:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:38:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:38:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:38:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 14 transitions. [2023-11-19 03:38:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-19 03:38:44,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:38:44,127 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 03:38:44,136 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:38:44,163 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 03:38:44,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s!base][~s!offset] could not be translated [2023-11-19 03:38:44,174 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:38:44,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:38:44 ImpRootNode [2023-11-19 03:38:44,176 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:38:44,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:38:44,177 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:38:44,177 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:38:44,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:38:41" (3/4) ... [2023-11-19 03:38:44,180 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:38:44,183 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_13_to_18_0 [2023-11-19 03:38:44,190 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-19 03:38:44,191 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 03:38:44,191 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:38:44,191 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:38:44,192 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:38:44,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:38:44,306 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:38:44,307 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:38:44,307 INFO L158 Benchmark]: Toolchain (without parser) took 3361.85ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 88.2MB in the beginning and 138.9MB in the end (delta: -50.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:44,310 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 127.9MB. Free memory was 75.2MB in the beginning and 75.0MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:44,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.98ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 77.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:38:44,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.91ms. Allocated memory is still 127.9MB. Free memory was 77.8MB in the beginning and 76.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:38:44,315 INFO L158 Benchmark]: Boogie Preprocessor took 23.05ms. Allocated memory is still 127.9MB. Free memory was 76.3MB in the beginning and 75.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:38:44,316 INFO L158 Benchmark]: RCFGBuilder took 498.16ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 75.0MB in the beginning and 145.1MB in the end (delta: -70.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-19 03:38:44,316 INFO L158 Benchmark]: CodeCheck took 2415.62ms. Allocated memory is still 176.2MB. Free memory was 145.0MB in the beginning and 143.1MB in the end (delta: 1.9MB). Peak memory consumption was 877.2kB. Max. memory is 16.1GB. [2023-11-19 03:38:44,316 INFO L158 Benchmark]: Witness Printer took 130.23ms. Allocated memory is still 176.2MB. Free memory was 143.1MB in the beginning and 138.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:38:44,319 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 31 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 6/7 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: 27]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 127.9MB. Free memory was 75.2MB in the beginning and 75.0MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.98ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 77.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.91ms. Allocated memory is still 127.9MB. Free memory was 77.8MB in the beginning and 76.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.05ms. Allocated memory is still 127.9MB. Free memory was 76.3MB in the beginning and 75.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.16ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 75.0MB in the beginning and 145.1MB in the end (delta: -70.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * CodeCheck took 2415.62ms. Allocated memory is still 176.2MB. Free memory was 145.0MB in the beginning and 143.1MB in the end (delta: 1.9MB). Peak memory consumption was 877.2kB. Max. memory is 16.1GB. * Witness Printer took 130.23ms. Allocated memory is still 176.2MB. Free memory was 143.1MB in the beginning and 138.9MB in the end (delta: 4.2MB). 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: ArrayAccessExpression #memory_int[~s!base][~s!offset] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:38:44,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a51a595-a1d9-42f1-bc7c-7d5a8185fbea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE