./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/modnf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/modnf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc865a1613c49e60507aa46f154dd3602c4e38ec3a973d420b346e0cea97ad0f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:40,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:40,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:40,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:40,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:40,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:40,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:40,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:40,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:40,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:40,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:40,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:40,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:40,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:40,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:40,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:40,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:40,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:40,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:40,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:40,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:40,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:40,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:40,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:40,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:40,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:40,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:40,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:40,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:40,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:40,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:40,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:40,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:40,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:40,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:40,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:40,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:40,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:40,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:40,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:40,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:40,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:40,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:40,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:40,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:40,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:40,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:40,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:40,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:40,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:40,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:40,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:40,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:40,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:40,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:40,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:40,754 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:40,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:40,755 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:40,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:40,755 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:40,755 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:40,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:40,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:40,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:40,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:40,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:40,757 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:40,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:40,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:40,758 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_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc865a1613c49e60507aa46f154dd3602c4e38ec3a973d420b346e0cea97ad0f [2021-11-23 15:56:41,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:41,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:41,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:41,088 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:41,091 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:41,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/modnf.c [2021-11-23 15:56:41,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/data/567b904ca/012d17af37d5489787322e807776aa63/FLAG7a78a6158 [2021-11-23 15:56:41,608 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:41,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/sv-benchmarks/c/array-fpi/modnf.c [2021-11-23 15:56:41,616 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/data/567b904ca/012d17af37d5489787322e807776aa63/FLAG7a78a6158 [2021-11-23 15:56:41,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/data/567b904ca/012d17af37d5489787322e807776aa63 [2021-11-23 15:56:42,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:42,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:42,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:42,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:42,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:42,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:41" (1/1) ... [2021-11-23 15:56:42,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ac39f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42, skipping insertion in model container [2021-11-23 15:56:42,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:41" (1/1) ... [2021-11-23 15:56:42,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:42,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:42,208 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_e1febf74-30ce-4c9e-990f-4e14445e40af/sv-benchmarks/c/array-fpi/modnf.c[588,601] [2021-11-23 15:56:42,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:42,232 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:42,243 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_e1febf74-30ce-4c9e-990f-4e14445e40af/sv-benchmarks/c/array-fpi/modnf.c[588,601] [2021-11-23 15:56:42,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:42,262 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:42,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42 WrapperNode [2021-11-23 15:56:42,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:42,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:42,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:42,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:42,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,299 INFO L137 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2021-11-23 15:56:42,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:42,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:42,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:42,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:42,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:42,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:42,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:42,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:42,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:42,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:42,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:42,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:56:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:56:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:56:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:56:42,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:42,511 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:42,512 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:42,715 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:42,732 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:56:42,737 INFO L158 Benchmark]: Toolchain (without parser) took 734.53ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 68.9MB in the end (delta: 7.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:42,737 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:42,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.40ms. Allocated memory is still 109.1MB. Free memory was 76.6MB in the beginning and 82.5MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:56:42,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.08ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 81.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:42,741 INFO L158 Benchmark]: Boogie Preprocessor took 25.41ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:42,742 INFO L158 Benchmark]: RCFGBuilder took 408.37ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 68.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:42,746 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.40ms. Allocated memory is still 109.1MB. Free memory was 76.6MB in the beginning and 82.5MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.08ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 81.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.41ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 408.37ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 68.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:56:42,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/modnf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc865a1613c49e60507aa46f154dd3602c4e38ec3a973d420b346e0cea97ad0f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:45,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:45,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:45,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:45,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:45,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:45,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:45,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:45,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:45,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:45,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:45,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:45,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:45,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:45,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:45,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:45,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:45,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:45,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:45,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:45,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:45,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:45,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:45,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:45,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:45,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:45,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:45,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:45,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:45,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:45,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:45,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:45,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:45,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:45,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:45,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:45,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:45,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:45,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:45,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:45,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:45,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:45,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:45,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:45,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:45,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:45,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:45,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:45,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:45,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:45,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:45,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:45,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:45,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:45,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:45,479 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:45,479 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:45,480 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:45,480 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:45,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:45,480 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:45,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:45,481 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:45,481 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:45,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:45,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:45,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:45,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:45,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:45,482 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:45,483 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:45,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:45,483 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:45,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:45,484 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_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc865a1613c49e60507aa46f154dd3602c4e38ec3a973d420b346e0cea97ad0f [2021-11-23 15:56:45,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:45,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:45,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:45,889 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:45,890 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:45,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/modnf.c [2021-11-23 15:56:45,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/data/35a756f41/6eb3fb36e80e4640afb84a3b3d5a0a51/FLAGa80662f7a [2021-11-23 15:56:46,442 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:46,443 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/sv-benchmarks/c/array-fpi/modnf.c [2021-11-23 15:56:46,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/data/35a756f41/6eb3fb36e80e4640afb84a3b3d5a0a51/FLAGa80662f7a [2021-11-23 15:56:46,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/data/35a756f41/6eb3fb36e80e4640afb84a3b3d5a0a51 [2021-11-23 15:56:46,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:46,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:46,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:46,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:46,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:46,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:46" (1/1) ... [2021-11-23 15:56:46,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b5374f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:46, skipping insertion in model container [2021-11-23 15:56:46,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:46" (1/1) ... [2021-11-23 15:56:46,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:46,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:47,024 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_e1febf74-30ce-4c9e-990f-4e14445e40af/sv-benchmarks/c/array-fpi/modnf.c[588,601] [2021-11-23 15:56:47,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:47,054 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:47,066 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_e1febf74-30ce-4c9e-990f-4e14445e40af/sv-benchmarks/c/array-fpi/modnf.c[588,601] [2021-11-23 15:56:47,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:47,090 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:47,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47 WrapperNode [2021-11-23 15:56:47,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:47,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:47,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:47,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:47,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,128 INFO L137 Inliner]: procedures = 19, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2021-11-23 15:56:47,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:47,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:47,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:47,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:47,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:47,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:47,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:47,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:47,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:47,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:47,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:47,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:56:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:56:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:56:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:56:47,300 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:47,303 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:47,703 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:47,736 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:56:47,740 INFO L158 Benchmark]: Toolchain (without parser) took 939.67ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 59.1MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:47,741 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 80.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:47,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.55ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 73.3MB in the end (delta: -16.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:47,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.34ms. Allocated memory is still 92.3MB. Free memory was 73.3MB in the beginning and 71.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:47,744 INFO L158 Benchmark]: Boogie Preprocessor took 29.30ms. Allocated memory is still 92.3MB. Free memory was 71.7MB in the beginning and 70.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:47,755 INFO L158 Benchmark]: RCFGBuilder took 578.77ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 59.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:47,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 80.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.55ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 73.3MB in the end (delta: -16.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.34ms. Allocated memory is still 92.3MB. Free memory was 73.3MB in the beginning and 71.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.30ms. Allocated memory is still 92.3MB. Free memory was 71.7MB in the beginning and 70.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.77ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 59.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:56:47,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1febf74-30ce-4c9e-990f-4e14445e40af/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable