./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nest-if3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nest-if3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 ff6ed2162f27809b742c891ab6e2d783f8472921e0d39d2ecd3fd1d3f6661283 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 22:02:02,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:02:02,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:02:02,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:02:02,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:02:02,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:02:02,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:02:02,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:02:02,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:02:02,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:02:02,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:02:02,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:02:02,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:02:02,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:02:02,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:02:02,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:02:02,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:02:02,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:02:02,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:02:02,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:02:02,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:02:02,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:02:02,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:02:02,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:02:02,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:02:02,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:02:02,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:02:02,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:02:02,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:02:02,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:02:02,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:02:02,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:02:02,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:02:02,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:02:02,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:02:02,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:02:02,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:02:02,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:02:02,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:02:02,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:02:02,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:02:02,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:02:02,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:02:02,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:02:02,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:02:02,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:02:02,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:02:02,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:02:02,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:02:02,917 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:02:02,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:02:02,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:02:02,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:02:02,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:02:02,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:02:02,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:02:02,923 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:02:02,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:02:02,923 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:02:02,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:02:02,923 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:02:02,923 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:02:02,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:02:02,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:02:02,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:02:02,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:02:02,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:02:02,924 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:02:02,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:02:02,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:02:02,924 INFO L138 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_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ed2162f27809b742c891ab6e2d783f8472921e0d39d2ecd3fd1d3f6661283 [2022-12-14 22:02:03,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:02:03,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:02:03,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:02:03,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:02:03,112 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:02:03,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-invgen/nest-if3.i [2022-12-14 22:02:05,806 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:02:05,962 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:02:05,962 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/sv-benchmarks/c/loop-invgen/nest-if3.i [2022-12-14 22:02:05,967 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/data/f83306414/74512a2e1bae4f47879bb6c3a18cd590/FLAG7ccecb3d9 [2022-12-14 22:02:05,982 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/data/f83306414/74512a2e1bae4f47879bb6c3a18cd590 [2022-12-14 22:02:05,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:02:05,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:02:05,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:02:05,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:02:05,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:02:05,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:02:05" (1/1) ... [2022-12-14 22:02:05,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f566b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:05, skipping insertion in model container [2022-12-14 22:02:05,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:02:05" (1/1) ... [2022-12-14 22:02:05,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:02:06,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:02:06,138 WARN L237 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_274c1821-c673-4c9a-a612-37eab912f2e1/sv-benchmarks/c/loop-invgen/nest-if3.i[893,906] [2022-12-14 22:02:06,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:02:06,158 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:02:06,170 WARN L237 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_274c1821-c673-4c9a-a612-37eab912f2e1/sv-benchmarks/c/loop-invgen/nest-if3.i[893,906] [2022-12-14 22:02:06,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:02:06,186 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:02:06,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06 WrapperNode [2022-12-14 22:02:06,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:02:06,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:02:06,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:02:06,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:02:06,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,217 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-12-14 22:02:06,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:02:06,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:02:06,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:02:06,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:02:06,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,232 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:02:06,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:02:06,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:02:06,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:02:06,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:02:06,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:02:06,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:02:06,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:02:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:02:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:02:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:02:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:02:06,335 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:02:06,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:02:06,423 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:02:06,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:02:06,454 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 22:02:06,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:02:06 BoogieIcfgContainer [2022-12-14 22:02:06,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:02:06,458 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:02:06,458 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:02:06,466 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:02:06,466 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:02:06" (1/1) ... [2022-12-14 22:02:06,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:02:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-12-14 22:02:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-12-14 22:02:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:02:06,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:06,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2022-12-14 22:02:06,849 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2022-12-14 22:02:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 22:02:06,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:06,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:07,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2022-12-14 22:02:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2022-12-14 22:02:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:02:07,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:07,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2022-12-14 22:02:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2022-12-14 22:02:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:02:07,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:07,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 42 transitions. [2022-12-14 22:02:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 42 transitions. [2022-12-14 22:02:07,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:02:07,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:07,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:08,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:08,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 24 states and 51 transitions. [2022-12-14 22:02:08,440 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 51 transitions. [2022-12-14 22:02:08,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:02:08,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:08,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:08,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:08,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:08,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 25 states and 53 transitions. [2022-12-14 22:02:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 53 transitions. [2022-12-14 22:02:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:02:08,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:08,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:02:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2022-12-14 22:02:09,315 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2022-12-14 22:02:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 22:02:09,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:09,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:09,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:02:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:09,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 30 states and 67 transitions. [2022-12-14 22:02:09,971 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 67 transitions. [2022-12-14 22:02:09,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:02:09,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:09,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:10,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 34 states and 76 transitions. [2022-12-14 22:02:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 76 transitions. [2022-12-14 22:02:10,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:02:10,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:10,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 90 transitions. [2022-12-14 22:02:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 90 transitions. [2022-12-14 22:02:11,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:02:11,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:11,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:11,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 22:02:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:12,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 90 transitions. [2022-12-14 22:02:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 90 transitions. [2022-12-14 22:02:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:02:12,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:12,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:12,314 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:12,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 93 transitions. [2022-12-14 22:02:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 93 transitions. [2022-12-14 22:02:12,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:02:12,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:12,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:13,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 46 states and 99 transitions. [2022-12-14 22:02:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 99 transitions. [2022-12-14 22:02:13,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:02:13,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:13,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 112 transitions. [2022-12-14 22:02:14,844 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2022-12-14 22:02:14,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:02:14,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:14,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 59 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 22:02:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 51 states and 114 transitions. [2022-12-14 22:02:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2022-12-14 22:02:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:02:16,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:16,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 22:02:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:16,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 29 states and 61 transitions. [2022-12-14 22:02:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 61 transitions. [2022-12-14 22:02:16,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:02:16,397 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-12-14 22:02:16,404 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 22:02:16,571 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-12-14 22:02:16,579 INFO L560 CodeCheckObserver]: Invariant with dag size 30 [2022-12-14 22:02:16,581 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:02:16,581 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-12-14 22:02:16,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:02:16 ImpRootNode [2022-12-14 22:02:16,581 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:02:16,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:02:16,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:02:16,582 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:02:16,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:02:06" (3/4) ... [2022-12-14 22:02:16,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:02:16,591 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 22:02:16,591 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 22:02:16,591 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 22:02:16,591 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:02:16,622 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:02:16,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:02:16,622 INFO L158 Benchmark]: Toolchain (without parser) took 10636.50ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 90.8MB in the beginning and 58.4MB in the end (delta: 32.4MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2022-12-14 22:02:16,623 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:02:16,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.72ms. Allocated memory is still 127.9MB. Free memory was 90.5MB in the beginning and 80.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:02:16,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.39ms. Allocated memory is still 127.9MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:02:16,624 INFO L158 Benchmark]: Boogie Preprocessor took 16.52ms. Allocated memory is still 127.9MB. Free memory was 78.6MB in the beginning and 77.9MB in the end (delta: 733.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:02:16,624 INFO L158 Benchmark]: RCFGBuilder took 222.44ms. Allocated memory is still 127.9MB. Free memory was 77.7MB in the beginning and 66.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 22:02:16,624 INFO L158 Benchmark]: CodeCheck took 10123.85ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 66.2MB in the beginning and 60.4MB in the end (delta: 5.7MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2022-12-14 22:02:16,625 INFO L158 Benchmark]: Witness Printer took 39.89ms. Allocated memory is still 161.5MB. Free memory was 60.4MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:02:16,626 INFO L339 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 673 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 474 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 855 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3577 IncrementalHoareTripleChecker+Invalid, 4432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 855 mSolverCounterUnsat, 112 mSDtfsCounter, 3577 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3183 GetRequests, 2927 SyntacticMatches, 42 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18726 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 169/366 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]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (1 <= i && 1 <= l) || ((1 <= i && n + 1 <= k + l) && !(3 + i <= k + l)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((1 <= i && n + 1 <= k + l) && !(k == 1 && i <= l + 1)) && !(2 + i <= k + l)) || ((1 <= i && n <= i) && 2 + i <= k + l)) || (((1 <= i && n + 1 <= k + l) && !(n <= i)) && !(3 + i <= k + l))) || (1 <= i && 1 <= l) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 <= l || 2 + n <= k + l * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.72ms. Allocated memory is still 127.9MB. Free memory was 90.5MB in the beginning and 80.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.39ms. Allocated memory is still 127.9MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.52ms. Allocated memory is still 127.9MB. Free memory was 78.6MB in the beginning and 77.9MB in the end (delta: 733.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 222.44ms. Allocated memory is still 127.9MB. Free memory was 77.7MB in the beginning and 66.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 10123.85ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 66.2MB in the beginning and 60.4MB in the end (delta: 5.7MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Witness Printer took 39.89ms. Allocated memory is still 161.5MB. Free memory was 60.4MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:02:16,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_274c1821-c673-4c9a-a612-37eab912f2e1/bin/ukojak-rkRKPMF4O4/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