./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9 --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 cc7a9a2f6e7b1ee77bf3f8df4593a14d130ce94528ae7e9cb4543cec3e179328 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:30:16,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:30:17,028 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:30:17,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:30:17,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:30:17,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:30:17,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:30:17,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:30:17,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:30:17,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:30:17,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:30:17,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:30:17,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:30:17,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:30:17,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:30:17,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:30:17,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:30:17,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:30:17,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:30:17,064 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:30:17,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:30:17,065 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:30:17,066 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:30:17,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:30:17,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:30:17,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:30:17,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:17,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:30:17,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:30:17,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:30:17,069 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:30:17,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:30:17,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:30:17,070 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_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc7a9a2f6e7b1ee77bf3f8df4593a14d130ce94528ae7e9cb4543cec3e179328 [2023-12-02 23:30:17,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:30:17,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:30:17,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:30:17,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:30:17,299 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:30:17,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-89.i [2023-12-02 23:30:20,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:30:20,255 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:30:20,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-89.i [2023-12-02 23:30:20,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/data/7857001fc/ea8503d38f5949a8adda932ba6363b7e/FLAG487a36eb3 [2023-12-02 23:30:20,273 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/data/7857001fc/ea8503d38f5949a8adda932ba6363b7e [2023-12-02 23:30:20,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:30:20,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:30:20,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:20,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:30:20,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:30:20,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632758d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20, skipping insertion in model container [2023-12-02 23:30:20,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:30:20,427 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_de0178c3-7255-4e5a-9aa9-f4507890c34e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-89.i[917,930] [2023-12-02 23:30:20,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:20,491 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:30:20,501 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_de0178c3-7255-4e5a-9aa9-f4507890c34e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-89.i[917,930] [2023-12-02 23:30:20,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:20,556 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:30:20,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20 WrapperNode [2023-12-02 23:30:20,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:20,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:20,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:30:20,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:30:20,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,620 INFO L138 Inliner]: procedures = 26, calls = 132, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 395 [2023-12-02 23:30:20,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:20,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:30:20,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:30:20,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:30:20,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:30:20,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:30:20,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:30:20,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:30:20,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:20" (1/1) ... [2023-12-02 23:30:20,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:20,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:30:20,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:30:20,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:30:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:30:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:30:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:30:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:30:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:30:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:30:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:30:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:30:20,848 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:30:20,850 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:30:21,244 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:30:21,839 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:30:21,839 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:30:21,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:21 BoogieIcfgContainer [2023-12-02 23:30:21,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:30:21,842 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:30:21,842 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:30:21,849 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:30:21,849 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:21" (1/1) ... [2023-12-02 23:30:21,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:30:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2023-12-02 23:30:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-12-02 23:30:21,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:30:21,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:21,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:22,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 144 conjunts are in the unsatisfiable core [2023-12-02 23:30:22,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:22,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 23:30:25,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-12-02 23:30:26,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-12-02 23:30:27,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2023-12-02 23:30:29,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2023-12-02 23:30:30,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2023-12-02 23:30:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 77 proven. 66 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-02 23:31:00,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 23:31:05,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 23:31:05,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:05,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 64 states and 125 transitions. [2023-12-02 23:31:05,242 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2023-12-02 23:31:05,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 23:31:05,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:05,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:31:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:06,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 201 conjunts are in the unsatisfiable core [2023-12-02 23:31:06,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:06,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-12-02 23:31:08,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-12-02 23:31:10,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-12-02 23:31:11,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-12-02 23:31:12,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-12-02 23:31:13,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-12-02 23:31:16,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 250 [2023-12-02 23:31:17,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 30 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 289 [2023-12-02 23:31:20,139 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:31:20,141 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 236 [2023-12-02 23:31:20,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2023-12-02 23:31:20,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 149 [2023-12-02 23:31:20,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 37 [2023-12-02 23:31:20,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 46 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 216 [2023-12-02 23:31:21,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:31:21,022 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:31:21,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:31:21,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:31:21,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:31:21,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:31:21,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:31:21,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 51 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 59 [2023-12-02 23:31:21,161 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:31:21,161 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:31:21,162 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:31:21,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:31:21,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:31:21,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:31:21,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 50 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 59 [2023-12-02 23:31:21,280 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:31:21,281 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:31:21,282 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:31:21,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:31:21,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 48 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 59 [2023-12-02 23:31:21,417 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:31:21,418 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2023-12-02 23:31:24,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 327 treesize of output 215 [2023-12-02 23:31:35,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 307 treesize of output 215 [2023-12-02 23:31:45,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 143 [2023-12-02 23:31:50,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 142 [2023-12-02 23:31:57,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 149 [2023-12-02 23:32:01,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 157 [2023-12-02 23:32:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 97 proven. 502 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-02 23:33:03,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 23:33:51,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 95 states and 201 transitions. [2023-12-02 23:33:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 201 transitions. [2023-12-02 23:33:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-02 23:33:51,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:51,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:52,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 132 conjunts are in the unsatisfiable core [2023-12-02 23:33:52,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:05,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 23:34:07,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 23:34:08,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-02 23:34:09,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-02 23:34:11,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-12-02 23:34:12,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-12-02 23:34:28,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 490 proven. 200 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2023-12-02 23:34:48,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 23:35:33,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 23:36:21,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 23:36:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:21,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 63 states and 89 transitions. [2023-12-02 23:36:21,524 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2023-12-02 23:36:21,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:36:21,525 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-02 23:36:21,532 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:36:24,572 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:36:24,575 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:36:24,575 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:36:24,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:36:24 ImpRootNode [2023-12-02 23:36:24,575 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:36:24,576 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:36:24,576 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:36:24,576 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:36:24,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:21" (3/4) ... [2023-12-02 23:36:24,578 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:36:24,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 23:36:24,588 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2023-12-02 23:36:24,589 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-02 23:36:24,590 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 23:36:24,590 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:36:24,750 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:36:24,750 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:36:24,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:36:24,751 INFO L158 Benchmark]: Toolchain (without parser) took 364474.42ms. Allocated memory was 176.2MB in the beginning and 612.4MB in the end (delta: 436.2MB). Free memory was 144.9MB in the beginning and 316.7MB in the end (delta: -171.8MB). Peak memory consumption was 265.8MB. Max. memory is 16.1GB. [2023-12-02 23:36:24,751 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:36:24,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.87ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 129.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:36:24,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.49ms. Allocated memory is still 176.2MB. Free memory was 129.7MB in the beginning and 126.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:36:24,753 INFO L158 Benchmark]: Boogie Preprocessor took 49.15ms. Allocated memory is still 176.2MB. Free memory was 126.1MB in the beginning and 123.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:36:24,753 INFO L158 Benchmark]: RCFGBuilder took 1170.19ms. Allocated memory is still 176.2MB. Free memory was 123.4MB in the beginning and 128.7MB in the end (delta: -5.3MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2023-12-02 23:36:24,753 INFO L158 Benchmark]: CodeCheck took 362733.55ms. Allocated memory was 176.2MB in the beginning and 612.4MB in the end (delta: 436.2MB). Free memory was 128.7MB in the beginning and 328.2MB in the end (delta: -199.5MB). Peak memory consumption was 381.4MB. Max. memory is 16.1GB. [2023-12-02 23:36:24,754 INFO L158 Benchmark]: Witness Printer took 174.54ms. Allocated memory is still 612.4MB. Free memory was 328.2MB in the beginning and 316.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:36:24,756 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 359.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 308 SdHoareTripleChecker+Valid, 60.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 59.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 103 mSDsCounter, 920 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2549 IncrementalHoareTripleChecker+Invalid, 3469 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 920 mSolverCounterUnsat, 15 mSDtfsCounter, 2549 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4210 GetRequests, 3798 SyntacticMatches, 95 SemanticMatches, 317 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46944 ImplicationChecksByTransitivity, 172.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 170.6s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 38149 SizeOfPredicates, 143 NumberOfNonLiveVariables, 1617 ConjunctsInSsa, 477 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1633/2401 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: 19]: 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: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.87ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 129.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.49ms. Allocated memory is still 176.2MB. Free memory was 129.7MB in the beginning and 126.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.15ms. Allocated memory is still 176.2MB. Free memory was 126.1MB in the beginning and 123.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1170.19ms. Allocated memory is still 176.2MB. Free memory was 123.4MB in the beginning and 128.7MB in the end (delta: -5.3MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * CodeCheck took 362733.55ms. Allocated memory was 176.2MB in the beginning and 612.4MB in the end (delta: 436.2MB). Free memory was 128.7MB in the beginning and 328.2MB in the end (delta: -199.5MB). Peak memory consumption was 381.4MB. Max. memory is 16.1GB. * Witness Printer took 174.54ms. Allocated memory is still 612.4MB. Free memory was 328.2MB in the beginning and 316.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:36:24,966 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:36:25,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0178c3-7255-4e5a-9aa9-f4507890c34e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE