./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps6-ll.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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/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 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:59,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:59,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:59,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:59,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:59,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:59,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:59,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:59,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:59,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:59,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:59,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:59,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:59,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:59,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:59,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:59,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:59,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:59,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:59,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:59,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:59,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:59,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:59,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:59,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:59,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:59,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:59,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:59,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:59,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:59,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:59,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:59,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:59,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:59,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:59,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:59,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:59,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:59,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:59,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:59,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:59,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:59,223 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:59,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:59,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:59,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:59,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:59,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:59,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:59,227 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:59,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:59,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:59,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:59,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:59,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:59,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:59,229 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:59,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:59,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:59,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:59,230 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:59,230 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:59,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:59,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:59,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:59,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:59,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:59,232 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:59,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:59,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:59,232 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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2021-11-23 15:58:59,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:59,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:59,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:59,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:59,636 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:59,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench/ps6-ll.c [2021-11-23 15:58:59,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/data/8d1f3d2ea/42c2f892d43e462abf0a4b235ec0f108/FLAG5b3bdd481 [2021-11-23 15:59:00,263 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:00,270 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/sv-benchmarks/c/nla-digbench/ps6-ll.c [2021-11-23 15:59:00,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/data/8d1f3d2ea/42c2f892d43e462abf0a4b235ec0f108/FLAG5b3bdd481 [2021-11-23 15:59:00,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/data/8d1f3d2ea/42c2f892d43e462abf0a4b235ec0f108 [2021-11-23 15:59:00,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:00,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:00,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:00,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:00,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:00,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705e8bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00, skipping insertion in model container [2021-11-23 15:59:00,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:00,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:00,889 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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2021-11-23 15:59:00,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:00,926 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:00,944 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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2021-11-23 15:59:00,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:00,994 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:00,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00 WrapperNode [2021-11-23 15:59:00,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:00,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:00,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:00,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:01,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:01,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:01,042 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2021-11-23 15:59:01,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:01,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:01,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:01,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:01,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:01,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:01,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:01,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:01,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:01,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:01,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:01,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:01,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:01,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:01,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:01,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:01,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:01,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:01,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:01,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:59:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:59:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:59:01,283 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:01,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:01,479 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:01,504 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 15:59:01,511 INFO L158 Benchmark]: Toolchain (without parser) took 887.28ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 59.5MB in the beginning and 99.1MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:01,513 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:01,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.40ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 59.2MB in the beginning and 111.3MB in the end (delta: -52.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.38ms. Allocated memory is still 136.3MB. Free memory was 111.3MB in the beginning and 109.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,520 INFO L158 Benchmark]: Boogie Preprocessor took 48.83ms. Allocated memory is still 136.3MB. Free memory was 109.6MB in the beginning and 108.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,521 INFO L158 Benchmark]: RCFGBuilder took 413.59ms. Allocated memory is still 136.3MB. Free memory was 108.4MB in the beginning and 99.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.40ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 59.2MB in the beginning and 111.3MB in the end (delta: -52.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.38ms. Allocated memory is still 136.3MB. Free memory was 111.3MB in the beginning and 109.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.83ms. Allocated memory is still 136.3MB. Free memory was 109.6MB in the beginning and 108.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.59ms. Allocated memory is still 136.3MB. Free memory was 108.4MB in the beginning and 99.1MB in the end (delta: 9.3MB). 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 15:59:01,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/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 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:04,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:04,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:04,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:04,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:04,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:04,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:04,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:04,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:04,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:04,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:04,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:04,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:04,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:04,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:04,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:04,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:04,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:04,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:04,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:04,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:04,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:04,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:04,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:04,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:04,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:04,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:04,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:04,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:04,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:04,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:04,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:04,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:04,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:04,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:04,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:04,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:04,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:04,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:04,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:04,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:04,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:04,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:04,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:04,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:04,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:04,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:04,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:04,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:04,238 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:04,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:04,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:04,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:04,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:04,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:04,240 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:04,240 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:04,240 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:04,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:04,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:04,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:04,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:04,241 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:04,242 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:04,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:04,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:04,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:04,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:04,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:04,243 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:04,243 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:04,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:04,244 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:04,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:04,244 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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2021-11-23 15:59:04,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:04,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:04,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:04,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:04,655 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:04,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench/ps6-ll.c [2021-11-23 15:59:04,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/data/3ceeb57ce/bbbb1c412bd24b4e824528877567b634/FLAG034f89bb5 [2021-11-23 15:59:05,241 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:05,242 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/sv-benchmarks/c/nla-digbench/ps6-ll.c [2021-11-23 15:59:05,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/data/3ceeb57ce/bbbb1c412bd24b4e824528877567b634/FLAG034f89bb5 [2021-11-23 15:59:05,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/data/3ceeb57ce/bbbb1c412bd24b4e824528877567b634 [2021-11-23 15:59:05,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:05,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:05,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:05,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:05,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:05,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:05,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbbcd63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05, skipping insertion in model container [2021-11-23 15:59:05,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:05,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:05,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:05,852 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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2021-11-23 15:59:05,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:05,899 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:05,916 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_d46942e6-1a2c-478b-a4ed-483f9a1c4082/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2021-11-23 15:59:05,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:05,974 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:05,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05 WrapperNode [2021-11-23 15:59:05,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:05,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:05,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:05,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:05,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:05,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:06,035 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2021-11-23 15:59:06,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:06,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:06,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:06,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:06,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:06,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:06,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:06,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:06,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:06,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:06,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:06,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:06,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:06,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:06,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:06,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:05" (1/1) ... [2021-11-23 15:59:06,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:06,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:06,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:06,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:06,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:59:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:59:06,220 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:06,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:06,889 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:06,902 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 15:59:06,907 INFO L158 Benchmark]: Toolchain (without parser) took 1282.11ms. Allocated memory is still 77.6MB. Free memory was 42.6MB in the beginning and 49.2MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:06,907 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:06,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.45ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 62.1MB in the end (delta: -19.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:06,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.51ms. Allocated memory is still 77.6MB. Free memory was 61.9MB in the beginning and 60.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:06,910 INFO L158 Benchmark]: Boogie Preprocessor took 25.09ms. Allocated memory is still 77.6MB. Free memory was 60.5MB in the beginning and 59.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:06,911 INFO L158 Benchmark]: RCFGBuilder took 843.07ms. Allocated memory is still 77.6MB. Free memory was 59.1MB in the beginning and 49.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:59:06,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.45ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 62.1MB in the end (delta: -19.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.51ms. Allocated memory is still 77.6MB. Free memory was 61.9MB in the beginning and 60.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.09ms. Allocated memory is still 77.6MB. Free memory was 60.5MB in the beginning and 59.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 843.07ms. Allocated memory is still 77.6MB. Free memory was 59.1MB in the beginning and 49.2MB in the end (delta: 10.0MB). 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 15:59:06,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46942e6-1a2c-478b-a4ed-483f9a1c4082/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