./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark26_linear.i --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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark26_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/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 8e9d1a7d7f6e24fd57d73c4a5500d4641bd0405ce39a4f7870d35144d3da8b5e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:31,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:31,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:31,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:31,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:31,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:31,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:31,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:31,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:31,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:31,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:31,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:31,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:31,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:31,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:31,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:31,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:31,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:31,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:31,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:31,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:31,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:31,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:31,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:31,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:31,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:31,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:31,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:31,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:31,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:31,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:31,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:31,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:31,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:31,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:31,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:31,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:31,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:31,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:31,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:31,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:31,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:31,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:31,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:31,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:31,434 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:31,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:31,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:31,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:31,436 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:31,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:31,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:31,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:31,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:31,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:31,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:31,439 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:31,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:31,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:31,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:31,440 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:31,440 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:31,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:31,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:31,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:31,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:31,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:31,442 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:31,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:31,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:31,442 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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e9d1a7d7f6e24fd57d73c4a5500d4641bd0405ce39a4f7870d35144d3da8b5e [2021-11-23 15:57:31,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:31,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:31,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:31,847 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:31,848 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:31,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-zilu/benchmark26_linear.i [2021-11-23 15:57:31,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/data/e27827b6d/ba3994bf28b4475dbb08c171cd4b70c6/FLAG32f93e700 [2021-11-23 15:57:32,348 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:32,348 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/sv-benchmarks/c/loop-zilu/benchmark26_linear.i [2021-11-23 15:57:32,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/data/e27827b6d/ba3994bf28b4475dbb08c171cd4b70c6/FLAG32f93e700 [2021-11-23 15:57:32,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/data/e27827b6d/ba3994bf28b4475dbb08c171cd4b70c6 [2021-11-23 15:57:32,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:32,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:32,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:32,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:32,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:32,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b8001a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32, skipping insertion in model container [2021-11-23 15:57:32,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:32,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:32,982 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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/sv-benchmarks/c/loop-zilu/benchmark26_linear.i[868,881] [2021-11-23 15:57:33,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:33,010 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:33,025 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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/sv-benchmarks/c/loop-zilu/benchmark26_linear.i[868,881] [2021-11-23 15:57:33,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:33,044 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:33,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33 WrapperNode [2021-11-23 15:57:33,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:33,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:33,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:33,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:33,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33" (1/1) ... [2021-11-23 15:57:33,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33" (1/1) ... [2021-11-23 15:57:33,082 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2021-11-23 15:57:33,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:33,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:33,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:33,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:33,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33" (1/1) ... [2021-11-23 15:57:33,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33" (1/1) ... [2021-11-23 15:57:33,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33" (1/1) ... [2021-11-23 15:57:33,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33" (1/1) ... [2021-11-23 15:57:33,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33" (1/1) ... [2021-11-23 15:57:33,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33" (1/1) ... [2021-11-23 15:57:33,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33" (1/1) ... [2021-11-23 15:57:33,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:33,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:33,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:33,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:33,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:33" (1/1) ... [2021-11-23 15:57:33,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:33,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:33,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:33,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:33,280 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:33,282 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:33,382 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:33,398 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 15:57:33,413 INFO L158 Benchmark]: Toolchain (without parser) took 644.69ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 41.8MB in the beginning and 59.4MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:33,415 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory was 58.1MB in the beginning and 58.1MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:33,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.01ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 41.6MB in the beginning and 70.6MB in the end (delta: -29.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:33,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.20ms. Allocated memory is still 94.4MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:33,426 INFO L158 Benchmark]: Boogie Preprocessor took 23.37ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 68.3MB in the end (delta: 929.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:33,427 INFO L158 Benchmark]: RCFGBuilder took 302.53ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 59.4MB in the end (delta: 8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:33,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory was 58.1MB in the beginning and 58.1MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.01ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 41.6MB in the beginning and 70.6MB in the end (delta: -29.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.20ms. Allocated memory is still 94.4MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.37ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 68.3MB in the end (delta: 929.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.53ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 59.4MB in the end (delta: 8.7MB). 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 15:57:33,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark26_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/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 8e9d1a7d7f6e24fd57d73c4a5500d4641bd0405ce39a4f7870d35144d3da8b5e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:36,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:36,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:36,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:36,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:36,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:36,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:36,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:36,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:36,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:36,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:36,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:36,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:36,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:36,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:36,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:36,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:36,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:36,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:36,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:36,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:36,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:36,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:36,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:36,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:36,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:36,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:36,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:36,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:36,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:36,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:36,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:36,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:36,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:36,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:36,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:36,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:36,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:36,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:36,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:36,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:36,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:36,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:36,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:36,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:36,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:36,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:36,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:36,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:36,251 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:36,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:36,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:36,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:36,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:36,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:36,252 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:36,252 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:36,252 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:36,253 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:36,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:36,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:36,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:36,253 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:36,254 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:36,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:36,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:36,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:36,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:36,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:36,257 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:36,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:36,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:36,258 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:36,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:36,259 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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e9d1a7d7f6e24fd57d73c4a5500d4641bd0405ce39a4f7870d35144d3da8b5e [2021-11-23 15:57:36,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:36,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:36,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:36,735 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:36,737 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:36,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-zilu/benchmark26_linear.i [2021-11-23 15:57:36,822 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/data/ababc2515/4c2ff9fcd219447aa3d8760efa002fb3/FLAGbad2c5671 [2021-11-23 15:57:37,338 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:37,339 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/sv-benchmarks/c/loop-zilu/benchmark26_linear.i [2021-11-23 15:57:37,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/data/ababc2515/4c2ff9fcd219447aa3d8760efa002fb3/FLAGbad2c5671 [2021-11-23 15:57:37,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/data/ababc2515/4c2ff9fcd219447aa3d8760efa002fb3 [2021-11-23 15:57:37,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:37,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:37,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:37,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:37,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:37,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40242b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37, skipping insertion in model container [2021-11-23 15:57:37,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:37,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:37,889 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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/sv-benchmarks/c/loop-zilu/benchmark26_linear.i[868,881] [2021-11-23 15:57:37,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:37,908 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:37,922 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_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/sv-benchmarks/c/loop-zilu/benchmark26_linear.i[868,881] [2021-11-23 15:57:37,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:37,944 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:37,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37 WrapperNode [2021-11-23 15:57:37,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:37,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:37,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:37,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:37,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,996 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2021-11-23 15:57:37,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:37,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:37,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:37,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:38,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:38,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:38,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:38,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:38,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:38,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:38,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:38,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:38,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:38,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:38,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:38,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:38,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:38,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:38,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:38,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:38,202 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:38,204 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:38,377 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:38,402 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 15:57:38,407 INFO L158 Benchmark]: Toolchain (without parser) took 712.99ms. Allocated memory is still 86.0MB. Free memory was 51.8MB in the beginning and 59.6MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:38,408 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 86.0MB. Free memory was 68.1MB in the beginning and 68.1MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:38,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.66ms. Allocated memory is still 86.0MB. Free memory was 51.5MB in the beginning and 70.8MB in the end (delta: -19.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-11-23 15:57:38,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.28ms. Allocated memory is still 86.0MB. Free memory was 70.8MB in the beginning and 69.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:38,418 INFO L158 Benchmark]: Boogie Preprocessor took 19.67ms. Allocated memory is still 86.0MB. Free memory was 69.4MB in the beginning and 68.5MB in the end (delta: 886.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:38,419 INFO L158 Benchmark]: RCFGBuilder took 386.53ms. Allocated memory is still 86.0MB. Free memory was 68.5MB in the beginning and 59.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:38,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 86.0MB. Free memory was 68.1MB in the beginning and 68.1MB in the end (delta: 75.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.66ms. Allocated memory is still 86.0MB. Free memory was 51.5MB in the beginning and 70.8MB in the end (delta: -19.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.28ms. Allocated memory is still 86.0MB. Free memory was 70.8MB in the beginning and 69.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.67ms. Allocated memory is still 86.0MB. Free memory was 69.4MB in the beginning and 68.5MB in the end (delta: 886.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 386.53ms. Allocated memory is still 86.0MB. Free memory was 68.5MB in the beginning and 59.8MB 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 15:57:38,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0919a9-3c04-467f-8a3e-8ed4b693dbf1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable