./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ --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 0209c9293388eb915387172d6fa3be69dfb35a1de5258b69ac610130c33e2610 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:04,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:04,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:04,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:04,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:04,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:04,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:04,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:04,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:04,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:04,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:04,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:04,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:04,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:04,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:04,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:04,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:04,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:04,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:04,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:04,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:04,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:04,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:04,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:04,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:04,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:04,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:04,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:04,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:04,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:04,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:04,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:04,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:04,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:04,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:04,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:04,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:04,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:04,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:04,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:04,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:04,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:23:04,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:04,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:04,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:23:04,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:23:04,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:04,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:04,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:04,242 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:23:04,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:23:04,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:23:04,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:04,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:23:04,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:04,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:23:04,244 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:23:04,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:23:04,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:04,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:23:04,244 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:04,245 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:04,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:04,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:04,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:04,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:04,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:23:04,246 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:23:04,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:23:04,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:23:04,246 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_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0209c9293388eb915387172d6fa3be69dfb35a1de5258b69ac610130c33e2610 [2021-11-23 00:23:04,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:04,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:04,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:04,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:04,544 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:04,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c [2021-11-23 00:23:04,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/data/afc20b55a/41a8a93f634d46788804f336b75cabf4/FLAGb10713ec3 [2021-11-23 00:23:05,073 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:05,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c [2021-11-23 00:23:05,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/data/afc20b55a/41a8a93f634d46788804f336b75cabf4/FLAGb10713ec3 [2021-11-23 00:23:05,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/data/afc20b55a/41a8a93f634d46788804f336b75cabf4 [2021-11-23 00:23:05,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:05,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:05,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:05,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:05,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:05,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e78ada9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05, skipping insertion in model container [2021-11-23 00:23:05,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:05,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:05,680 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_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c[964,977] [2021-11-23 00:23:05,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:05,694 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:05,709 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_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c[964,977] [2021-11-23 00:23:05,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:05,723 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:05,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05 WrapperNode [2021-11-23 00:23:05,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:05,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:05,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:05,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:05,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,770 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2021-11-23 00:23:05,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:05,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:05,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:05,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:05,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:05,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:05,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:05,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:05,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:05" (1/1) ... [2021-11-23 00:23:05,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:05,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:05,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:05,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:23:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:23:05,958 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:05,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:06,049 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:06,061 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:06,061 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:23:06,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:06 BoogieIcfgContainer [2021-11-23 00:23:06,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:23:06,064 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:23:06,064 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:23:06,074 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:23:06,074 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:06" (1/1) ... [2021-11-23 00:23:06,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:23:06,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-23 00:23:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-23 00:23:06,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:23:06,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:06,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:06,186 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort Real not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSorts(NonDeclaringTermTransferrer.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:158) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:23:06,190 INFO L158 Benchmark]: Toolchain (without parser) took 712.91ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 61.9MB in the end (delta: 430.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:06,190 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:06,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.43ms. Allocated memory is still 102.8MB. Free memory was 62.0MB in the beginning and 79.2MB in the end (delta: -17.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:23:06,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.46ms. Allocated memory is still 102.8MB. Free memory was 79.2MB in the beginning and 77.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:06,193 INFO L158 Benchmark]: Boogie Preprocessor took 35.22ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 77.0MB in the end (delta: 854.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:06,194 INFO L158 Benchmark]: RCFGBuilder took 256.08ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 68.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:23:06,194 INFO L158 Benchmark]: CodeCheck took 124.19ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 61.9MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:23:06,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort Real not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort Real not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.43ms. Allocated memory is still 102.8MB. Free memory was 62.0MB in the beginning and 79.2MB in the end (delta: -17.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.46ms. Allocated memory is still 102.8MB. Free memory was 79.2MB in the beginning and 77.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.22ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 77.0MB in the end (delta: 854.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.08ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 68.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 124.19ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 61.9MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:23:06,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ --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 0209c9293388eb915387172d6fa3be69dfb35a1de5258b69ac610130c33e2610 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:08,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:08,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:08,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:08,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:08,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:08,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:08,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:08,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:08,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:08,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:08,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:08,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:08,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:08,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:08,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:08,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:08,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:08,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:08,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:08,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:08,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:08,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:08,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:08,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:08,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:08,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:08,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:08,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:08,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:08,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:08,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:08,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:08,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:08,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:08,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:08,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:08,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:08,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:08,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:08,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:08,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:23:08,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:08,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:08,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:23:08,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:23:08,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:08,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:08,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:08,997 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:23:08,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:23:08,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:08,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:23:08,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:09,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:23:09,000 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:23:09,000 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:23:09,000 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:23:09,000 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:23:09,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:23:09,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:09,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:23:09,001 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:09,002 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:09,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:09,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:09,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:09,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:09,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:23:09,003 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:23:09,003 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:23:09,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:23:09,004 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:23:09,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:23:09,004 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0209c9293388eb915387172d6fa3be69dfb35a1de5258b69ac610130c33e2610 [2021-11-23 00:23:09,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:09,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:09,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:09,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:09,428 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:09,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c [2021-11-23 00:23:09,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/data/5cce02f91/a282e11bc5864521931122f6b26ac428/FLAG369bc5fcd [2021-11-23 00:23:09,986 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:09,987 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c [2021-11-23 00:23:09,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/data/5cce02f91/a282e11bc5864521931122f6b26ac428/FLAG369bc5fcd [2021-11-23 00:23:10,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/data/5cce02f91/a282e11bc5864521931122f6b26ac428 [2021-11-23 00:23:10,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:10,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:10,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:10,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:10,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:10,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6862c493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10, skipping insertion in model container [2021-11-23 00:23:10,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:10,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:10,531 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_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c[964,977] [2021-11-23 00:23:10,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:10,549 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:10,565 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_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/sv-benchmarks/c/float-benchs/Muller_Kahan.c.p+cfa-reducer.c[964,977] [2021-11-23 00:23:10,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:10,581 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:10,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10 WrapperNode [2021-11-23 00:23:10,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:10,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:10,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:10,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:10,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,630 INFO L137 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-11-23 00:23:10,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:10,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:10,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:10,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:10,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:10,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:10,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:10,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:10,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:10" (1/1) ... [2021-11-23 00:23:10,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:10,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:10,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:10,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:23:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:23:10,807 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:10,809 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:21,473 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:21,498 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:21,499 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:23:21,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:21 BoogieIcfgContainer [2021-11-23 00:23:21,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:23:21,515 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:23:21,515 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:23:21,525 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:23:21,525 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:21" (1/1) ... [2021-11-23 00:23:21,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:23:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-23 00:23:21,628 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-23 00:23:21,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:23:21,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:21,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:21,677 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:23:21,685 INFO L158 Benchmark]: Toolchain (without parser) took 11339.80ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 28.1MB in the end (delta: 12.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 00:23:21,687 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:21,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.18ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 30.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:23:21,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.93ms. Allocated memory is still 60.8MB. Free memory was 30.1MB in the beginning and 44.3MB in the end (delta: -14.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:23:21,692 INFO L158 Benchmark]: Boogie Preprocessor took 21.35ms. Allocated memory is still 60.8MB. Free memory was 44.3MB in the beginning and 43.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:21,692 INFO L158 Benchmark]: RCFGBuilder took 10827.99ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 34.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:23:21,694 INFO L158 Benchmark]: CodeCheck took 167.39ms. Allocated memory is still 60.8MB. Free memory was 34.2MB in the beginning and 28.1MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:23:21,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.18ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 30.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.93ms. Allocated memory is still 60.8MB. Free memory was 30.1MB in the beginning and 44.3MB in the end (delta: -14.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.35ms. Allocated memory is still 60.8MB. Free memory was 44.3MB in the beginning and 43.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10827.99ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 34.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 167.39ms. Allocated memory is still 60.8MB. Free memory was 34.2MB in the beginning and 28.1MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:23:21,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb0bb17-fdb4-4af5-a248-8db612d8eb03/bin/ukojak-LBtLqBUTdQ/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: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared