./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/jm2006.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/jm2006.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi --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 2e98ae6b3b72bb87faac9dbfcafb29586eefa5010eced7af70cdba4815bccd7f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:16,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:16,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:04:16,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:16,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:16,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:16,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:16,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:16,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:16,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:16,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:16,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:16,921 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:16,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:16,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:16,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:16,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:16,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:16,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:16,926 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:16,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:16,928 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:16,928 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:16,929 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:16,930 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:16,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:16,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:16,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:16,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:16,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:16,934 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:16,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:16,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:16,936 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_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e98ae6b3b72bb87faac9dbfcafb29586eefa5010eced7af70cdba4815bccd7f [2023-11-24 23:04:17,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:17,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:17,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:17,288 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:17,289 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:17,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-lit/jm2006.i [2023-11-24 23:04:21,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:21,547 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:21,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/sv-benchmarks/c/loop-lit/jm2006.i [2023-11-24 23:04:21,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/data/78422a7c3/813e4e7961624cc09102672cbbb57db7/FLAG5b06769ec [2023-11-24 23:04:21,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/data/78422a7c3/813e4e7961624cc09102672cbbb57db7 [2023-11-24 23:04:21,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:21,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:21,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:21,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:21,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:21,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:21,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db93d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21, skipping insertion in model container [2023-11-24 23:04:21,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:21,646 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:21,896 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_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/sv-benchmarks/c/loop-lit/jm2006.i[895,908] [2023-11-24 23:04:21,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:21,926 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:21,944 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_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/sv-benchmarks/c/loop-lit/jm2006.i[895,908] [2023-11-24 23:04:21,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:21,969 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:21,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21 WrapperNode [2023-11-24 23:04:21,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:21,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:21,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:21,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:21,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:21,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:22,016 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-24 23:04:22,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:22,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:22,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:22,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:22,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:22,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:22,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:22,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:22,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:22,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:22,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:22,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:22,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:22,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:22,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:22,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:22,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:21" (1/1) ... [2023-11-24 23:04:22,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:22,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:22,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:22,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:22,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:22,278 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:22,283 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:22,431 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:22,477 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:22,481 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:04:22,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:22 BoogieIcfgContainer [2023-11-24 23:04:22,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:22,486 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:22,486 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:22,500 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:22,501 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:22" (1/1) ... [2023-11-24 23:04:22,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:22,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-24 23:04:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-24 23:04:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:04:22,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:22,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:23,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-11-24 23:04:23,429 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-11-24 23:04:23,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:23,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:23,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-24 23:04:23,899 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-24 23:04:23,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:04:23,900 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-24 23:04:23,909 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:04:23,929 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:04:23,933 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:04:23,934 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-24 23:04:23,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:23 ImpRootNode [2023-11-24 23:04:23,937 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:23,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:23,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:23,938 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:23,939 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:22" (3/4) ... [2023-11-24 23:04:23,941 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:04:23,948 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-24 23:04:23,948 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 23:04:23,948 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:04:23,949 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:04:24,045 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:04:24,051 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:04:24,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:24,052 INFO L158 Benchmark]: Toolchain (without parser) took 2457.98ms. Allocated memory is still 163.6MB. Free memory was 131.5MB in the beginning and 107.6MB in the end (delta: 23.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-24 23:04:24,053 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:24,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.40ms. Allocated memory is still 163.6MB. Free memory was 131.2MB in the beginning and 120.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:24,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.01ms. Allocated memory is still 163.6MB. Free memory was 120.8MB in the beginning and 119.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:24,060 INFO L158 Benchmark]: Boogie Preprocessor took 52.94ms. Allocated memory is still 163.6MB. Free memory was 119.3MB in the beginning and 118.4MB in the end (delta: 934.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:24,060 INFO L158 Benchmark]: RCFGBuilder took 413.84ms. Allocated memory is still 163.6MB. Free memory was 118.4MB in the beginning and 108.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:24,061 INFO L158 Benchmark]: CodeCheck took 1451.13ms. Allocated memory is still 163.6MB. Free memory was 108.2MB in the beginning and 111.8MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:24,061 INFO L158 Benchmark]: Witness Printer took 113.79ms. Allocated memory is still 163.6MB. Free memory was 111.8MB in the beginning and 107.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:04:24,063 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 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 6 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((j + x) == (i + y)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.40ms. Allocated memory is still 163.6MB. Free memory was 131.2MB in the beginning and 120.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.01ms. Allocated memory is still 163.6MB. Free memory was 120.8MB in the beginning and 119.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.94ms. Allocated memory is still 163.6MB. Free memory was 119.3MB in the beginning and 118.4MB in the end (delta: 934.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.84ms. Allocated memory is still 163.6MB. Free memory was 118.4MB in the beginning and 108.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1451.13ms. Allocated memory is still 163.6MB. Free memory was 108.2MB in the beginning and 111.8MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.79ms. Allocated memory is still 163.6MB. Free memory was 111.8MB in the beginning and 107.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:04:24,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d0e7bd0-a6f2-4fb5-a9f7-8bd9e2568cd0/bin/ukojak-verify-afCqCEvfdi/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