./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50877d5973732425843dd90649ca5203953d931d ............................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:29,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:29,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:29,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:29,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:29,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:29,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:29,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:29,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:29,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:29,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:29,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:29,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:29,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:29,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:29,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:29,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:29,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:29,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:29,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:29,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:29,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:29,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:29,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:29,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:29,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:29,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:29,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:29,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:29,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:29,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:29,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:29,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:29,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:29,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:29,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:29,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:29,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:29,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:29,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:29,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:29,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:29,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:29,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:29,326 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:29,327 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:29,327 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:29,327 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:29,327 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:29,328 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:29,328 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:29,328 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:29,328 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:29,328 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:29,329 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:29,329 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:29,329 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:29,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:29,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:29,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:29,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:29,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:29,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:29,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:29,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:29,332 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:29,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:29,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:29,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:29,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:29,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:29,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:29,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:29,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:29,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:29,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:29,334 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:29,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:29,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:29,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:29,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:29,335 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50877d5973732425843dd90649ca5203953d931d [2021-10-11 02:25:29,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:29,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:29,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:29,652 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:29,665 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:29,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/bitvector/jain_4-2.c [2021-10-11 02:25:29,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/data/0e08b435e/126139cdd4ad4983b433370e59856686/FLAG7e22498bb [2021-10-11 02:25:30,226 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:30,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/sv-benchmarks/c/bitvector/jain_4-2.c [2021-10-11 02:25:30,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/data/0e08b435e/126139cdd4ad4983b433370e59856686/FLAG7e22498bb [2021-10-11 02:25:30,610 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/data/0e08b435e/126139cdd4ad4983b433370e59856686 [2021-10-11 02:25:30,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:30,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:30,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:30,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:30,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:30,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c5fc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30, skipping insertion in model container [2021-10-11 02:25:30,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:30,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:30,808 WARN L226 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_adbdba5f-290d-4591-8392-990a33403859/sv-benchmarks/c/bitvector/jain_4-2.c[370,383] [2021-10-11 02:25:30,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:30,829 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:30,842 WARN L226 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_adbdba5f-290d-4591-8392-990a33403859/sv-benchmarks/c/bitvector/jain_4-2.c[370,383] [2021-10-11 02:25:30,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:30,862 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:30,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30 WrapperNode [2021-10-11 02:25:30,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:30,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:30,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:30,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:30,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:30,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:30,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:30,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:30,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:30,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:30,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:30,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:30,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:25:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:31,210 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:31,210 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 02:25:31,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:31 BoogieIcfgContainer [2021-10-11 02:25:31,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:31,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:31,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:31,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:31,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:30" (1/3) ... [2021-10-11 02:25:31,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489422c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:31, skipping insertion in model container [2021-10-11 02:25:31,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30" (2/3) ... [2021-10-11 02:25:31,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489422c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:31, skipping insertion in model container [2021-10-11 02:25:31,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:31" (3/3) ... [2021-10-11 02:25:31,223 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_4-2.c [2021-10-11 02:25:31,238 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:31,242 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:25:31,255 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:25:31,282 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:31,282 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:31,283 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:31,283 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:31,283 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:31,283 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:31,283 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:31,284 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2021-10-11 02:25:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:25:31,303 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:31,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:25:31,304 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:31,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:31,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1798481, now seen corresponding path program 1 times [2021-10-11 02:25:31,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:25:31,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760281935] [2021-10-11 02:25:31,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:25:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:31,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760281935] [2021-10-11 02:25:31,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:31,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:31,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830470239] [2021-10-11 02:25:31,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:25:31,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:25:31,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:25:31,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:25:31,572 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2021-10-11 02:25:31,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:31,606 INFO L93 Difference]: Finished difference Result 12 states and 17 transitions. [2021-10-11 02:25:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:25:31,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2021-10-11 02:25:31,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:31,617 INFO L225 Difference]: With dead ends: 12 [2021-10-11 02:25:31,618 INFO L226 Difference]: Without dead ends: 7 [2021-10-11 02:25:31,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:25:31,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-11 02:25:31,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-11 02:25:31,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-11 02:25:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-11 02:25:31,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2021-10-11 02:25:31,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:31,685 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-10-11 02:25:31,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:25:31,685 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-11 02:25:31,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:25:31,686 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:31,686 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2021-10-11 02:25:31,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:25:31,687 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:31,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:31,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1728484841, now seen corresponding path program 1 times [2021-10-11 02:25:31,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:25:31,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859889534] [2021-10-11 02:25:31,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:25:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:31,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859889534] [2021-10-11 02:25:31,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245478656] [2021-10-11 02:25:31,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:25:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:32,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-11 02:25:32,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:32,272 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-10-11 02:25:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:32,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:25:32,409 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:25:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:25:32,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [298557922] [2021-10-11 02:25:32,524 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-10-11 02:25:32,524 INFO L166 IcfgInterpreter]: Building call graph [2021-10-11 02:25:32,531 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-11 02:25:32,539 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-11 02:25:32,542 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-11 02:25:32,913 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-11 02:25:33,154 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-10-11 02:25:33,415 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2021-10-11 02:25:33,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-11 02:25:33,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4, 3] total 9 [2021-10-11 02:25:33,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833875862] [2021-10-11 02:25:33,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:25:33,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:25:33,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:25:33,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:25:33,421 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2021-10-11 02:25:33,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:33,449 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-10-11 02:25:33,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:25:33,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2021-10-11 02:25:33,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:33,457 INFO L225 Difference]: With dead ends: 7 [2021-10-11 02:25:33,457 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:25:33,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:25:33,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:25:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:25:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:25:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:25:33,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-10-11 02:25:33,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:33,462 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:25:33,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:25:33,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:25:33,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:25:33,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-11 02:25:33,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:25:33,908 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2021-10-11 02:25:33,914 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:25:33,915 INFO L262 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2021-10-11 02:25:33,915 INFO L258 CegarLoopResult]: At program point L7-2(lines 6 27) the Hoare annotation is: (let ((.cse0 (= |#NULL.base| 0)) (.cse2 (= |#t~string5.offset| 0)) (.cse3 (= |#NULL.offset| 0)) (.cse4 (= |#t~string6.offset| 0)) (.cse5 (= 0 |#t~string4.offset|))) (or (let ((.cse1 (select |#memory_int| |#t~string4.base|))) (and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 11 (select |#length| |#t~string5.base|)) (= 2 (select |#length| |#t~string4.base|)) .cse0 (= (select |#valid| 0) 0) (= (mod (* ULTIMATE.start_main_~y~0 3) (- 4)) 0) (= (select |#valid| |#t~string6.base|) 1) (= 48 (select .cse1 |#t~string4.offset|)) (= (mod ULTIMATE.start_main_~x~0 4) 0) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) .cse2 (< |#StackHeapBarrier| |#t~string6.base|) (< |#StackHeapBarrier| |#t~string4.base|) (= (mod ULTIMATE.start_main_~z~0 8) 0) (= 12 (select |#length| |#t~string6.base|)) (< 0 |#StackHeapBarrier|) (< |#StackHeapBarrier| |#t~string5.base|) .cse3 .cse4 (= (select .cse1 (+ |#t~string4.offset| 1)) 0) .cse5 (= |ULTIMATE.start___VERIFIER_assert_#in~cond| 1))) (and .cse0 (= ULTIMATE.start_main_~x~0 0) (<= 0 |#t~string6.base|) (<= 0 |#t~string5.base|) .cse2 (= ULTIMATE.start_main_~y~0 0) .cse3 .cse4 .cse5 (= ULTIMATE.start_main_~z~0 0) (<= 0 |#t~string4.base|) (<= 0 |#StackHeapBarrier|)))) [2021-10-11 02:25:33,916 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:25:33,916 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-10-11 02:25:33,916 INFO L262 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2021-10-11 02:25:33,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:33 BoogieIcfgContainer [2021-10-11 02:25:33,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:33,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:33,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:33,964 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:33,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:31" (3/4) ... [2021-10-11 02:25:33,967 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:25:33,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-11 02:25:33,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:25:33,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:25:33,982 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:25:34,005 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((\old(cond) == cond && 11 == unknown-#length-unknown["jain_4-2.c"]) && 2 == unknown-#length-unknown["0"]) && #NULL == 0) && \valid[0] == 0) && y * 3 % -4 == 0) && \valid["reach_error"] == 1) && 48 == unknown-#memory_int-unknown["0"]["0"]) && x % 4 == 0) && \valid["jain_4-2.c"] == 1) && \valid["0"] == 1) && "jain_4-2.c" == 0) && unknown-#StackHeapBarrier-unknown < "reach_error") && unknown-#StackHeapBarrier-unknown < "0") && z % 8 == 0) && 12 == unknown-#length-unknown["reach_error"]) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < "jain_4-2.c") && #NULL == 0) && "reach_error" == 0) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && 0 == "0") && \old(cond) == 1) || (((((((((((#NULL == 0 && x == 0) && 0 <= "reach_error") && 0 <= "jain_4-2.c") && "jain_4-2.c" == 0) && y == 0) && #NULL == 0) && "reach_error" == 0) && 0 == "0") && z == 0) && 0 <= "0") && 0 <= unknown-#StackHeapBarrier-unknown) [2021-10-11 02:25:34,028 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbdba5f-290d-4591-8392-990a33403859/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:25:34,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:34,033 INFO L168 Benchmark]: Toolchain (without parser) took 3419.82 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 71.6 MB in the beginning and 111.9 MB in the end (delta: -40.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:34,034 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory was 88.1 MB in the beginning and 88.0 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:34,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.76 ms. Allocated memory is still 109.1 MB. Free memory was 71.4 MB in the beginning and 84.4 MB in the end (delta: -13.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:34,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.33 ms. Allocated memory is still 109.1 MB. Free memory was 84.4 MB in the beginning and 83.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:34,036 INFO L168 Benchmark]: Boogie Preprocessor took 21.50 ms. Allocated memory is still 109.1 MB. Free memory was 83.2 MB in the beginning and 82.2 MB in the end (delta: 987.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:34,036 INFO L168 Benchmark]: RCFGBuilder took 286.13 ms. Allocated memory is still 109.1 MB. Free memory was 81.9 MB in the beginning and 68.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:34,041 INFO L168 Benchmark]: TraceAbstraction took 2747.83 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 68.3 MB in the beginning and 114.0 MB in the end (delta: -45.7 MB). Peak memory consumption was 66.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:34,043 INFO L168 Benchmark]: Witness Printer took 69.44 ms. Allocated memory is still 144.7 MB. Free memory was 114.0 MB in the beginning and 111.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:34,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory was 88.1 MB in the beginning and 88.0 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.76 ms. Allocated memory is still 109.1 MB. Free memory was 71.4 MB in the beginning and 84.4 MB in the end (delta: -13.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.33 ms. Allocated memory is still 109.1 MB. Free memory was 84.4 MB in the beginning and 83.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.50 ms. Allocated memory is still 109.1 MB. Free memory was 83.2 MB in the beginning and 82.2 MB in the end (delta: 987.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 286.13 ms. Allocated memory is still 109.1 MB. Free memory was 81.9 MB in the beginning and 68.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2747.83 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 68.3 MB in the beginning and 114.0 MB in the end (delta: -45.7 MB). Peak memory consumption was 66.4 MB. Max. memory is 16.1 GB. * Witness Printer took 69.44 ms. Allocated memory is still 144.7 MB. Free memory was 114.0 MB in the beginning and 111.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 6]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((\old(cond) == cond && 11 == unknown-#length-unknown["jain_4-2.c"]) && 2 == unknown-#length-unknown["0"]) && #NULL == 0) && \valid[0] == 0) && y * 3 % -4 == 0) && \valid["reach_error"] == 1) && 48 == unknown-#memory_int-unknown["0"]["0"]) && x % 4 == 0) && \valid["jain_4-2.c"] == 1) && \valid["0"] == 1) && "jain_4-2.c" == 0) && unknown-#StackHeapBarrier-unknown < "reach_error") && unknown-#StackHeapBarrier-unknown < "0") && z % 8 == 0) && 12 == unknown-#length-unknown["reach_error"]) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < "jain_4-2.c") && #NULL == 0) && "reach_error" == 0) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && 0 == "0") && \old(cond) == 1) || (((((((((((#NULL == 0 && x == 0) && 0 <= "reach_error") && 0 <= "jain_4-2.c") && "jain_4-2.c" == 0) && y == 0) && #NULL == 0) && "reach_error" == 0) && 0 == "0") && z == 0) && 0 <= "0") && 0 <= unknown-#StackHeapBarrier-unknown) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 2 SDslu, 4 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 140 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 49 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 800 SizeOfPredicates, 10 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME[ms]: 390, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 4, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 233, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 6, TOOLS_QUANTIFIERELIM_TIME[ms]: 229, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 189, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 13, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 69, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 11, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 40, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 40, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 32, DAG_COMPRESSION_RETAINED_NODES: 18, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...