./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu --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 d85bf43cff1a30e10d1e3bbf4675032df62c31f758d5324913387f5dfb870a68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:34:17,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:34:17,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:34:17,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:34:17,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:34:17,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:34:17,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:34:17,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:34:17,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:34:17,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:34:17,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:34:17,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:34:17,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:34:17,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:34:17,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:34:17,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:34:17,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:34:17,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:34:17,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:34:17,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:34:17,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:34:17,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:34:17,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:34:17,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:34:17,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:34:17,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:34:17,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:34:17,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:34:17,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:34:17,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:34:17,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:34:17,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:34:17,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:34:17,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:34:17,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:34:17,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:34:17,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:34:17,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:34:17,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:34:17,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:34:17,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:34:17,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:34:17,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:34:17,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:34:17,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:34:17,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:34:17,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:34:17,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:34:17,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:34:17,242 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:34:17,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:34:17,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:34:17,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:34:17,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:34:17,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:34:17,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:34:17,244 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:34:17,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:34:17,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:34:17,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:34:17,244 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:34:17,245 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:34:17,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:34:17,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:17,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:34:17,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:34:17,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:34:17,246 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:34:17,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:34:17,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:34:17,247 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_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d85bf43cff1a30e10d1e3bbf4675032df62c31f758d5324913387f5dfb870a68 [2021-11-23 15:34:17,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:34:17,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:34:17,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:34:17,607 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:34:17,608 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:34:17,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2021-11-23 15:34:17,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/data/f2b4f8792/109ca0917b3a47f8bff99a6fb8de1825/FLAG32f8555af [2021-11-23 15:34:18,292 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:34:18,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2021-11-23 15:34:18,302 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/data/f2b4f8792/109ca0917b3a47f8bff99a6fb8de1825/FLAG32f8555af [2021-11-23 15:34:18,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/data/f2b4f8792/109ca0917b3a47f8bff99a6fb8de1825 [2021-11-23 15:34:18,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:34:18,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:34:18,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:18,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:34:18,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:34:18,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9b2238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18, skipping insertion in model container [2021-11-23 15:34:18,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:34:18,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:34:18,877 WARN L230 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_e56c02f3-3b02-480e-afc6-ee778dfcf692/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] [2021-11-23 15:34:18,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:18,889 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:34:18,904 WARN L230 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_e56c02f3-3b02-480e-afc6-ee778dfcf692/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] [2021-11-23 15:34:18,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:18,916 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:34:18,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18 WrapperNode [2021-11-23 15:34:18,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:18,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:18,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:34:18,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:34:18,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,945 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2021-11-23 15:34:18,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:18,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:34:18,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:34:18,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:34:18,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:34:18,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:34:18,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:34:18,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:34:18,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:18" (1/1) ... [2021-11-23 15:34:18,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:18,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:34:18,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:34:19,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:34:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:34:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:34:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:34:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:34:19,093 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:34:19,095 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:19,182 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:19,194 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:34:19,195 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:34:19,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:19 BoogieIcfgContainer [2021-11-23 15:34:19,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:34:19,198 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:34:19,198 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:34:19,206 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:34:19,206 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:19" (1/1) ... [2021-11-23 15:34:19,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:34:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:34:19,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2021-11-23 15:34:19,269 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2021-11-23 15:34:19,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:34:19,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:34:19,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:34:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:34:19,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:34:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:34:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-23 15:34:19,750 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-23 15:34:19,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:34:19,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:34:19,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:34:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:34:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:34:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:34:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 8 states and 11 transitions. [2021-11-23 15:34:20,163 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 11 transitions. [2021-11-23 15:34:20,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 15:34:20,164 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2021-11-23 15:34:20,181 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 15:34:20,213 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 15:34:20,229 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 15:34:20,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:34:20 ImpRootNode [2021-11-23 15:34:20,230 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 15:34:20,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 15:34:20,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 15:34:20,234 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 15:34:20,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:19" (3/4) ... [2021-11-23 15:34:20,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 15:34:20,253 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 15:34:20,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 15:34:20,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 15:34:20,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 15:34:20,319 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/witness.graphml [2021-11-23 15:34:20,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 15:34:20,320 INFO L158 Benchmark]: Toolchain (without parser) took 1669.89ms. Allocated memory is still 109.1MB. Free memory was 66.4MB in the beginning and 38.2MB in the end (delta: 28.2MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:20,321 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 109.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:20,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.15ms. Allocated memory is still 109.1MB. Free memory was 66.2MB in the beginning and 82.7MB in the end (delta: -16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:20,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.35ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:20,323 INFO L158 Benchmark]: Boogie Preprocessor took 20.01ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 80.5MB in the end (delta: 662.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:20,323 INFO L158 Benchmark]: RCFGBuilder took 230.28ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 70.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:34:20,324 INFO L158 Benchmark]: CodeCheck took 1032.54ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 40.9MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:20,325 INFO L158 Benchmark]: Witness Printer took 85.74ms. Allocated memory is still 109.1MB. Free memory was 40.9MB in the beginning and 38.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:20,328 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 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, 10 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 106 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, 0.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 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: 53]: 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: 30]: Loop Invariant Derived loop invariant: main__i + main__y <= main__j + main__x && main__j + main__x <= main__i + main__y - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 109.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.15ms. Allocated memory is still 109.1MB. Free memory was 66.2MB in the beginning and 82.7MB in the end (delta: -16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.35ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.01ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 80.5MB in the end (delta: 662.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 230.28ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 70.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1032.54ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 40.9MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 85.74ms. Allocated memory is still 109.1MB. Free memory was 40.9MB in the beginning and 38.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 15:34:20,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e56c02f3-3b02-480e-afc6-ee778dfcf692/bin/ukojak-CwSLpZB5Qu/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