./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/modn.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_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/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_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/modn.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/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_2e0acf1e-1f20-43b8-b994-f2875b616c10/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 b1b107a3e17c36933ddc5a5cff6ab95f9f0d71df794eec32ec4a28d109efd829 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:10,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:10,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:10,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:10,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:10,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:10,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:10,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:10,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:10,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:10,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:10,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:10,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:10,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:10,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:10,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:10,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:10,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:10,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:10,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:10,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:10,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:10,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:10,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:10,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:10,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:10,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:10,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:10,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:10,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:10,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:10,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:10,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:10,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:10,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:10,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:10,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:10,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:10,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:10,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:10,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:10,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:45:11,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:11,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:11,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:11,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:11,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:11,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:11,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:11,044 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:11,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:45:11,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:11,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:11,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:11,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:11,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:11,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:11,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:11,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:11,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:11,054 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:11,054 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:11,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:11,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:11,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:11,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:11,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:11,056 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:45:11,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:45:11,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:11,057 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_2e0acf1e-1f20-43b8-b994-f2875b616c10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1b107a3e17c36933ddc5a5cff6ab95f9f0d71df794eec32ec4a28d109efd829 [2021-11-23 15:45:11,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:11,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:11,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:11,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:11,375 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:11,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/modn.c [2021-11-23 15:45:11,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/data/ca4278a46/877e941bd1744937a86ae8b6d64610a4/FLAG8afda9df6 [2021-11-23 15:45:11,971 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:11,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/sv-benchmarks/c/array-fpi/modn.c [2021-11-23 15:45:11,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/data/ca4278a46/877e941bd1744937a86ae8b6d64610a4/FLAG8afda9df6 [2021-11-23 15:45:12,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/data/ca4278a46/877e941bd1744937a86ae8b6d64610a4 [2021-11-23 15:45:12,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:12,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:12,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:12,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:12,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:12,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de87a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12, skipping insertion in model container [2021-11-23 15:45:12,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:12,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:12,550 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_2e0acf1e-1f20-43b8-b994-f2875b616c10/sv-benchmarks/c/array-fpi/modn.c[587,600] [2021-11-23 15:45:12,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:12,576 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:12,589 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_2e0acf1e-1f20-43b8-b994-f2875b616c10/sv-benchmarks/c/array-fpi/modn.c[587,600] [2021-11-23 15:45:12,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:12,611 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:12,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12 WrapperNode [2021-11-23 15:45:12,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:12,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:12,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:12,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:12,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,650 INFO L137 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2021-11-23 15:45:12,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:12,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:12,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:12,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:12,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:12,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:12,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:12,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:12,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:12" (1/1) ... [2021-11-23 15:45:12,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:12,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:12,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:12,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:45:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:45:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:45:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:45:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:45:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:45:12,829 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:12,830 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:13,018 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:13,066 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 15:45:13,070 INFO L158 Benchmark]: Toolchain (without parser) took 732.07ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 66.2MB in the beginning and 91.2MB in the end (delta: -24.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 15:45:13,071 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:13,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.97ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 66.0MB in the beginning and 105.3MB in the end (delta: -39.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:13,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.72ms. Allocated memory is still 130.0MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:13,074 INFO L158 Benchmark]: Boogie Preprocessor took 25.57ms. Allocated memory is still 130.0MB. Free memory was 103.7MB in the beginning and 102.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:13,075 INFO L158 Benchmark]: RCFGBuilder took 390.48ms. Allocated memory is still 130.0MB. Free memory was 102.2MB in the beginning and 91.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:45:13,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.97ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 66.0MB in the beginning and 105.3MB in the end (delta: -39.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.72ms. Allocated memory is still 130.0MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.57ms. Allocated memory is still 130.0MB. Free memory was 103.7MB in the beginning and 102.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.48ms. Allocated memory is still 130.0MB. Free memory was 102.2MB in the beginning and 91.2MB in the end (delta: 11.0MB). 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 15:45:13,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/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_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/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_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/modn.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/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_2e0acf1e-1f20-43b8-b994-f2875b616c10/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 b1b107a3e17c36933ddc5a5cff6ab95f9f0d71df794eec32ec4a28d109efd829 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:15,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:15,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:15,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:15,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:15,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:15,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:15,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:15,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:15,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:15,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:15,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:15,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:15,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:15,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:15,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:15,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:15,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:15,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:15,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:15,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:15,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:15,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:15,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:15,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:15,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:15,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:15,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:15,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:15,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:15,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:15,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:15,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:15,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:15,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:15,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:15,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:15,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:15,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:15,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:15,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:15,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:45:15,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:15,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:15,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:15,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:15,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:15,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:15,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:15,769 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:15,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:15,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:15,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:15,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:15,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:15,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:45:15,770 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:45:15,771 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:45:15,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:15,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:15,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:15,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:15,771 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:15,772 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:15,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:15,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:15,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:15,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:15,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:15,773 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:45:15,773 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:45:15,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:15,773 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:45:15,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:45:15,774 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_2e0acf1e-1f20-43b8-b994-f2875b616c10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1b107a3e17c36933ddc5a5cff6ab95f9f0d71df794eec32ec4a28d109efd829 [2021-11-23 15:45:16,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:16,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:16,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:16,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:16,158 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:16,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/modn.c [2021-11-23 15:45:16,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/data/7b4401ce6/340854a966954430b8f3eb79a8c07495/FLAG95195b656 [2021-11-23 15:45:16,814 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:16,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/sv-benchmarks/c/array-fpi/modn.c [2021-11-23 15:45:16,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/data/7b4401ce6/340854a966954430b8f3eb79a8c07495/FLAG95195b656 [2021-11-23 15:45:17,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/data/7b4401ce6/340854a966954430b8f3eb79a8c07495 [2021-11-23 15:45:17,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:17,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:17,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:17,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:17,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:17,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2cb9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17, skipping insertion in model container [2021-11-23 15:45:17,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:17,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:17,409 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_2e0acf1e-1f20-43b8-b994-f2875b616c10/sv-benchmarks/c/array-fpi/modn.c[587,600] [2021-11-23 15:45:17,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:17,442 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:17,458 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_2e0acf1e-1f20-43b8-b994-f2875b616c10/sv-benchmarks/c/array-fpi/modn.c[587,600] [2021-11-23 15:45:17,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:17,508 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:17,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17 WrapperNode [2021-11-23 15:45:17,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:17,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:17,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:17,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:17,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,576 INFO L137 Inliner]: procedures = 19, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2021-11-23 15:45:17,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:17,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:17,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:17,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:17,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:17,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:17,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:17,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:17,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:17" (1/1) ... [2021-11-23 15:45:17,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:17,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:17,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:17,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:45:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:45:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:45:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:45:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:45:17,778 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:17,780 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:18,058 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:18,080 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 15:45:18,097 INFO L158 Benchmark]: Toolchain (without parser) took 920.84ms. Allocated memory is still 79.7MB. Free memory was 62.3MB in the beginning and 48.0MB in the end (delta: 14.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 15:45:18,098 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:18,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.36ms. Allocated memory is still 79.7MB. Free memory was 62.2MB in the beginning and 62.4MB in the end (delta: -208.6kB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 15:45:18,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.95ms. Allocated memory is still 79.7MB. Free memory was 62.4MB in the beginning and 60.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:18,101 INFO L158 Benchmark]: Boogie Preprocessor took 29.47ms. Allocated memory is still 79.7MB. Free memory was 60.6MB in the beginning and 59.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:18,101 INFO L158 Benchmark]: RCFGBuilder took 487.75ms. Allocated memory is still 79.7MB. Free memory was 59.2MB in the beginning and 48.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:45:18,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.36ms. Allocated memory is still 79.7MB. Free memory was 62.2MB in the beginning and 62.4MB in the end (delta: -208.6kB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.95ms. Allocated memory is still 79.7MB. Free memory was 62.4MB in the beginning and 60.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.47ms. Allocated memory is still 79.7MB. Free memory was 60.6MB in the beginning and 59.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.75ms. Allocated memory is still 79.7MB. Free memory was 59.2MB in the beginning and 48.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. 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 15:45:18,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0acf1e-1f20-43b8-b994-f2875b616c10/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