./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/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 dcec1ccd806a412efdabd457261f7c023005f550a4699f0a865a5aa2d5f9f4d9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:18,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:18,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:18,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:18,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:18,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:18,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:18,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:18,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:18,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:18,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:18,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:18,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:18,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:18,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:18,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:18,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:18,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:18,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:18,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:18,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:18,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:18,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:18,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:18,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:18,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:18,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:18,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:18,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:18,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:18,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:18,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:18,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:18,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:18,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:18,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:18,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:18,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:18,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:18,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:18,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:18,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:18,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:18,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:18,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:18,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:18,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:18,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:18,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:18,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:18,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:18,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:18,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:18,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:18,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:18,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:18,397 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:18,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:18,397 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:18,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:18,398 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:18,398 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:18,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:18,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:18,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:18,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:18,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:18,399 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:18,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:18,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:18,400 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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcec1ccd806a412efdabd457261f7c023005f550a4699f0a865a5aa2d5f9f4d9 [2021-11-23 15:05:18,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:18,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:18,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:18,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:18,711 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:18,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 15:05:18,800 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/data/b5c9f4109/f19ae048453c484d867cfcc74c1fd313/FLAGc0f604e9e [2021-11-23 15:05:19,280 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:19,281 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 15:05:19,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/data/b5c9f4109/f19ae048453c484d867cfcc74c1fd313/FLAGc0f604e9e [2021-11-23 15:05:19,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/data/b5c9f4109/f19ae048453c484d867cfcc74c1fd313 [2021-11-23 15:05:19,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:19,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:19,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:19,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:19,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:19,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469dd01d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19, skipping insertion in model container [2021-11-23 15:05:19,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:19,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:19,986 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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5375,5388] [2021-11-23 15:05:20,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:20,061 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:20,098 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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5375,5388] [2021-11-23 15:05:20,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:20,144 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:20,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20 WrapperNode [2021-11-23 15:05:20,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:20,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:20,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:20,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:20,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,199 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 422 [2021-11-23 15:05:20,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:20,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:20,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:20,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:20,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:20,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:20,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:20,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:20,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:20,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:20,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:20,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:20,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:20,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:20,467 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:20,469 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:21,014 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:21,090 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 15:05:21,105 INFO L158 Benchmark]: Toolchain (without parser) took 1463.86ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 72.1MB in the beginning and 97.9MB in the end (delta: -25.9MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,106 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:21,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.72ms. Allocated memory is still 107.0MB. Free memory was 71.8MB in the beginning and 75.6MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.35ms. Allocated memory is still 107.0MB. Free memory was 75.6MB in the beginning and 72.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,111 INFO L158 Benchmark]: Boogie Preprocessor took 32.85ms. Allocated memory is still 107.0MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,112 INFO L158 Benchmark]: RCFGBuilder took 866.49ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 71.1MB in the beginning and 97.9MB in the end (delta: -26.8MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,124 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 107.0MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.72ms. Allocated memory is still 107.0MB. Free memory was 71.8MB in the beginning and 75.6MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.35ms. Allocated memory is still 107.0MB. Free memory was 75.6MB in the beginning and 72.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.85ms. Allocated memory is still 107.0MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 866.49ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 71.1MB in the beginning and 97.9MB in the end (delta: -26.8MB). Peak memory consumption was 26.7MB. 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 15:05:21,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/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 dcec1ccd806a412efdabd457261f7c023005f550a4699f0a865a5aa2d5f9f4d9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:23,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:23,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:23,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:23,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:23,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:23,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:23,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:23,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:23,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:23,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:23,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:23,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:23,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:23,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:23,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:23,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:23,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:23,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:23,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:23,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:23,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:23,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:23,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:23,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:23,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:23,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:23,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:23,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:23,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:23,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:23,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:23,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:23,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:23,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:23,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:23,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:23,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:23,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:23,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:23,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:23,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:23,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:23,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:23,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:23,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:23,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:23,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:23,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:23,921 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:23,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:23,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:23,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:23,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:23,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:23,923 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:23,923 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:23,924 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:23,924 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:23,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:23,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:23,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:23,925 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:23,925 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:23,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:23,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:23,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:23,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:23,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:23,926 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:23,926 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:23,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:23,927 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:23,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:23,927 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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcec1ccd806a412efdabd457261f7c023005f550a4699f0a865a5aa2d5f9f4d9 [2021-11-23 15:05:24,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:24,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:24,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:24,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:24,352 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:24,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 15:05:24,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/data/468384b73/ccba9ee1adcd4ede9b568a9a99541e05/FLAG70a857077 [2021-11-23 15:05:25,086 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:25,088 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 15:05:25,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/data/468384b73/ccba9ee1adcd4ede9b568a9a99541e05/FLAG70a857077 [2021-11-23 15:05:25,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/data/468384b73/ccba9ee1adcd4ede9b568a9a99541e05 [2021-11-23 15:05:25,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:25,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:25,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:25,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:25,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:25,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289f1bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25, skipping insertion in model container [2021-11-23 15:05:25,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:25,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:25,729 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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5375,5388] [2021-11-23 15:05:25,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:25,794 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:25,857 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_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5375,5388] [2021-11-23 15:05:25,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:25,897 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:25,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25 WrapperNode [2021-11-23 15:05:25,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:25,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:25,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:25,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:25,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,953 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 410 [2021-11-23 15:05:25,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:25,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:25,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:25,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:25,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:25,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:25,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:25,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:25,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:25,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:25" (1/1) ... [2021-11-23 15:05:26,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:26,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:26,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:26,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:26,206 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:26,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:26,842 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:26,890 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 15:05:26,894 INFO L158 Benchmark]: Toolchain (without parser) took 1479.41ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.7MB in the beginning and 32.3MB in the end (delta: 3.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:26,895 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 38.5MB in the beginning and 38.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:26,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.70ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 34.4MB in the end (delta: 1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:26,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.88ms. Allocated memory is still 58.7MB. Free memory was 34.4MB in the beginning and 31.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:26,897 INFO L158 Benchmark]: Boogie Preprocessor took 40.92ms. Allocated memory is still 58.7MB. Free memory was 31.8MB in the beginning and 29.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:26,898 INFO L158 Benchmark]: RCFGBuilder took 896.08ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 29.7MB in the beginning and 32.3MB in the end (delta: -2.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:26,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 38.5MB in the beginning and 38.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.70ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 34.4MB in the end (delta: 1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.88ms. Allocated memory is still 58.7MB. Free memory was 34.4MB in the beginning and 31.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.92ms. Allocated memory is still 58.7MB. Free memory was 31.8MB in the beginning and 29.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 896.08ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 29.7MB in the beginning and 32.3MB in the end (delta: -2.6MB). Peak memory consumption was 10.4MB. 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 15:05:26,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41102b4-50bc-4b4f-b61e-f6bfdf7eada7/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