./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/multivar_1-2.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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/multivar_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/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 cba7dca6ff66778f2b0713799020489351e0894eee3f1f22efefe84bd1d673ea --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:56,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:56,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:56,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:56,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:56,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:56,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:56,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:56,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:56,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:56,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:56,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:56,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:56,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:56,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:56,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:56,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:56,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:56,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:56,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:56,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:56,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:56,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:56,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:56,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:56,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:56,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:56,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:56,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:56,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:56,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:56,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:56,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:56,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:56,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:56,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:56,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:56,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:56,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:56,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:56,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:56,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:57,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:57,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:57,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:57,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:57,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:57,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:57,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:57,041 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:57,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:57,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:57,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:57,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:57,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:57,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:57,050 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:57,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:57,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:57,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:57,051 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:57,051 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:57,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:57,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:57,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:57,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:57,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:57,052 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:57,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:57,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:57,053 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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cba7dca6ff66778f2b0713799020489351e0894eee3f1f22efefe84bd1d673ea [2021-11-23 15:58:57,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:57,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:57,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:57,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:57,344 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:57,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/multivar_1-2.c [2021-11-23 15:58:57,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/data/e7d6993a8/0681cd90f73147be993bef8f35f9dd14/FLAG0da403e4e [2021-11-23 15:58:57,850 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:57,851 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/sv-benchmarks/c/loop-acceleration/multivar_1-2.c [2021-11-23 15:58:57,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/data/e7d6993a8/0681cd90f73147be993bef8f35f9dd14/FLAG0da403e4e [2021-11-23 15:58:58,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/data/e7d6993a8/0681cd90f73147be993bef8f35f9dd14 [2021-11-23 15:58:58,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:58,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:58,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:58,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:58,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:58,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738b8f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58, skipping insertion in model container [2021-11-23 15:58:58,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:58,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:58,440 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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/sv-benchmarks/c/loop-acceleration/multivar_1-2.c[374,387] [2021-11-23 15:58:58,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:58,470 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:58,480 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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/sv-benchmarks/c/loop-acceleration/multivar_1-2.c[374,387] [2021-11-23 15:58:58,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:58,495 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:58,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58 WrapperNode [2021-11-23 15:58:58,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:58,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:58,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:58,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:58,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,528 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2021-11-23 15:58:58,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:58,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:58,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:58,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:58,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:58,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:58,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:58,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:58,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:58,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:58,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:58,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:58,702 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:58,704 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:58,806 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:58,820 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 15:58:58,825 INFO L158 Benchmark]: Toolchain (without parser) took 585.56ms. Allocated memory is still 98.6MB. Free memory was 56.8MB in the beginning and 61.6MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:58,826 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:58,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.06ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 73.2MB in the end (delta: -16.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:58,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.25ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:58,829 INFO L158 Benchmark]: Boogie Preprocessor took 18.68ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 70.8MB in the end (delta: 887.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:58,830 INFO L158 Benchmark]: RCFGBuilder took 273.81ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 61.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:58,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.06ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 73.2MB in the end (delta: -16.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.25ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.68ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 70.8MB in the end (delta: 887.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.81ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 61.6MB in the end (delta: 9.2MB). 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 15:58:58,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/multivar_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/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 cba7dca6ff66778f2b0713799020489351e0894eee3f1f22efefe84bd1d673ea --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:01,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:01,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:01,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:01,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:01,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:01,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:01,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:01,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:01,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:01,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:01,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:01,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:01,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:01,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:01,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:01,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:01,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:01,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:01,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:01,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:01,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:01,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:01,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:01,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:01,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:01,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:01,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:01,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:01,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:01,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:01,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:01,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:01,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:01,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:01,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:01,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:01,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:01,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:01,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:01,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:01,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:01,455 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:01,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:01,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:01,457 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:01,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:01,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:01,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:01,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:01,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:01,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:01,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:01,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:01,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:01,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:01,462 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:01,463 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:01,463 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:01,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:01,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:01,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:01,464 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:01,464 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:01,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:01,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:01,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:01,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:01,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:01,466 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:01,466 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:01,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:01,467 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:01,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:01,467 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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cba7dca6ff66778f2b0713799020489351e0894eee3f1f22efefe84bd1d673ea [2021-11-23 15:59:01,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:01,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:01,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:01,864 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:01,865 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:01,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/multivar_1-2.c [2021-11-23 15:59:01,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/data/aa67a341c/3385f8b2c84e42bdab2037fdfc88f485/FLAGa48b31c45 [2021-11-23 15:59:02,478 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:02,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/sv-benchmarks/c/loop-acceleration/multivar_1-2.c [2021-11-23 15:59:02,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/data/aa67a341c/3385f8b2c84e42bdab2037fdfc88f485/FLAGa48b31c45 [2021-11-23 15:59:02,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/data/aa67a341c/3385f8b2c84e42bdab2037fdfc88f485 [2021-11-23 15:59:02,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:02,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:02,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:02,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:02,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:02,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:02" (1/1) ... [2021-11-23 15:59:02,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3a536b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:02, skipping insertion in model container [2021-11-23 15:59:02,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:02" (1/1) ... [2021-11-23 15:59:02,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:02,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:03,046 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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/sv-benchmarks/c/loop-acceleration/multivar_1-2.c[374,387] [2021-11-23 15:59:03,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:03,072 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:03,089 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_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/sv-benchmarks/c/loop-acceleration/multivar_1-2.c[374,387] [2021-11-23 15:59:03,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:03,111 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:03,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03 WrapperNode [2021-11-23 15:59:03,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:03,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:03,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:03,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:03,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,160 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2021-11-23 15:59:03,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:03,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:03,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:03,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:03,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:03,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:03,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:03,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:03,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:03,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:03,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:03,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:03,358 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:03,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:03,517 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:03,535 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 15:59:03,539 INFO L158 Benchmark]: Toolchain (without parser) took 682.33ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 37.8MB in the end (delta: 6.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-11-23 15:59:03,540 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:03,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.85ms. Allocated memory is still 65.0MB. Free memory was 44.2MB in the beginning and 34.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:59:03,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.81ms. Allocated memory is still 65.0MB. Free memory was 34.4MB in the beginning and 47.5MB in the end (delta: -13.1MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:03,547 INFO L158 Benchmark]: Boogie Preprocessor took 44.36ms. Allocated memory is still 65.0MB. Free memory was 47.5MB in the beginning and 46.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:03,549 INFO L158 Benchmark]: RCFGBuilder took 329.52ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 37.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:03,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.85ms. Allocated memory is still 65.0MB. Free memory was 44.2MB in the beginning and 34.4MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.81ms. Allocated memory is still 65.0MB. Free memory was 34.4MB in the beginning and 47.5MB in the end (delta: -13.1MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.36ms. Allocated memory is still 65.0MB. Free memory was 47.5MB in the beginning and 46.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.52ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 37.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. 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 15:59:03,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc300d7f-5fc5-4432-aa4c-d3b544c86a84/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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