./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test21-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test21-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/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 712c5452cee1b4c02208da17c2cf0dc9636485194e157c656e1372fe334269f7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:29,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:29,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:29,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:29,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:29,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:29,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:29,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:29,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:29,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:29,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:29,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:29,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:29,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:29,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:29,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:29,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:29,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:29,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:29,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:29,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:29,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:29,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:29,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:29,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:29,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:29,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:29,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:29,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:29,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:29,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:29,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:29,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:29,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:29,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:29,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:29,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:29,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:29,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:29,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:29,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:29,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:29,404 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:29,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:29,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:29,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:29,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:29,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:29,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:29,409 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:29,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:29,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:29,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:29,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:29,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:29,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:29,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:29,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:29,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:29,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:29,420 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:29,420 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:29,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:29,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:29,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:29,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:29,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:29,422 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:29,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:29,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:29,423 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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 712c5452cee1b4c02208da17c2cf0dc9636485194e157c656e1372fe334269f7 [2021-11-23 15:05:29,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:29,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:29,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:29,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:29,802 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:29,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/test21-2.c [2021-11-23 15:05:29,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/data/b6245c393/805e696ac11c4a1bb56bf5844b130448/FLAGe7aab097b [2021-11-23 15:05:30,395 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:30,396 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/sv-benchmarks/c/ldv-regression/test21-2.c [2021-11-23 15:05:30,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/data/b6245c393/805e696ac11c4a1bb56bf5844b130448/FLAGe7aab097b [2021-11-23 15:05:30,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/data/b6245c393/805e696ac11c4a1bb56bf5844b130448 [2021-11-23 15:05:30,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:30,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:30,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:30,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:30,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:30,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7d4c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30, skipping insertion in model container [2021-11-23 15:05:30,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:30,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:30,928 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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/sv-benchmarks/c/ldv-regression/test21-2.c[892,905] [2021-11-23 15:05:30,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:30,941 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:30,969 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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/sv-benchmarks/c/ldv-regression/test21-2.c[892,905] [2021-11-23 15:05:30,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:30,996 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:30,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30 WrapperNode [2021-11-23 15:05:30,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:30,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:30,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:31,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:31,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:31,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:31,053 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2021-11-23 15:05:31,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:31,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:31,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:31,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:31,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:31,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:31,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:31,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:31,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:31,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:31,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:31,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:31,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:31,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:31,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:31,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:31,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:31,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:31,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:31,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:05:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2021-11-23 15:05:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2021-11-23 15:05:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:05:31,309 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:31,311 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:31,518 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:31,569 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 15:05:31,574 INFO L158 Benchmark]: Toolchain (without parser) took 821.38ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 56.7MB in the end (delta: 24.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:05:31,574 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:31,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.55ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 70.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:31,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.86ms. Allocated memory is still 104.9MB. Free memory was 70.7MB in the beginning and 69.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:31,577 INFO L158 Benchmark]: Boogie Preprocessor took 54.27ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 67.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:31,578 INFO L158 Benchmark]: RCFGBuilder took 461.93ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 56.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:31,583 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 104.9MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.55ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 70.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.86ms. Allocated memory is still 104.9MB. Free memory was 70.7MB in the beginning and 69.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.27ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 67.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 461.93ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 56.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:31,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test21-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/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 712c5452cee1b4c02208da17c2cf0dc9636485194e157c656e1372fe334269f7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:34,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:34,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:34,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:34,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:34,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:34,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:34,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:34,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:34,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:34,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:34,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:34,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:34,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:34,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:34,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:34,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:34,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:34,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:34,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:34,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:34,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:34,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:34,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:34,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:34,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:34,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:34,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:34,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:34,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:34,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:34,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:34,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:34,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:34,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:34,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:34,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:34,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:34,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:34,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:34,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:34,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:34,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:34,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:34,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:34,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:34,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:34,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:34,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:34,229 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:34,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:34,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:34,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:34,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:34,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:34,231 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:34,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:34,231 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:34,232 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:34,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:34,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:34,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:34,235 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:34,237 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:34,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:34,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:34,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:34,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:34,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:34,239 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:34,239 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:34,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:34,240 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:34,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:34,240 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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 712c5452cee1b4c02208da17c2cf0dc9636485194e157c656e1372fe334269f7 [2021-11-23 15:05:34,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:34,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:34,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:34,682 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:34,683 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:34,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/test21-2.c [2021-11-23 15:05:34,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/data/eafc5d2f5/60fe07934dc0447aa0d58b9106604150/FLAGf385c1403 [2021-11-23 15:05:35,256 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:35,256 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/sv-benchmarks/c/ldv-regression/test21-2.c [2021-11-23 15:05:35,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/data/eafc5d2f5/60fe07934dc0447aa0d58b9106604150/FLAGf385c1403 [2021-11-23 15:05:35,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/data/eafc5d2f5/60fe07934dc0447aa0d58b9106604150 [2021-11-23 15:05:35,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:35,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:35,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:35,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:35,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:35,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c257c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35, skipping insertion in model container [2021-11-23 15:05:35,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:35,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:35,951 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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/sv-benchmarks/c/ldv-regression/test21-2.c[892,905] [2021-11-23 15:05:35,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:35,981 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:36,012 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_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/sv-benchmarks/c/ldv-regression/test21-2.c[892,905] [2021-11-23 15:05:36,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:36,035 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:36,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36 WrapperNode [2021-11-23 15:05:36,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:36,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:36,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:36,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:36,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,118 INFO L137 Inliner]: procedures = 19, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2021-11-23 15:05:36,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:36,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:36,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:36,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:36,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:36,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:36,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:36,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:36,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:36,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:36,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:36,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:05:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:05:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2021-11-23 15:05:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2021-11-23 15:05:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:05:36,359 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:36,361 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:36,561 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:36,590 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 15:05:36,595 INFO L158 Benchmark]: Toolchain (without parser) took 939.12ms. Allocated memory is still 73.4MB. Free memory was 50.8MB in the beginning and 43.7MB in the end (delta: 7.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,596 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:36,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.29ms. Allocated memory is still 73.4MB. Free memory was 50.6MB in the beginning and 40.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.78ms. Allocated memory is still 73.4MB. Free memory was 40.4MB in the beginning and 56.0MB in the end (delta: -15.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,599 INFO L158 Benchmark]: Boogie Preprocessor took 51.69ms. Allocated memory is still 73.4MB. Free memory was 55.8MB in the beginning and 54.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:36,600 INFO L158 Benchmark]: RCFGBuilder took 420.71ms. Allocated memory is still 73.4MB. Free memory was 54.6MB in the beginning and 43.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.29ms. Allocated memory is still 73.4MB. Free memory was 50.6MB in the beginning and 40.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.78ms. Allocated memory is still 73.4MB. Free memory was 40.4MB in the beginning and 56.0MB in the end (delta: -15.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.69ms. Allocated memory is still 73.4MB. Free memory was 55.8MB in the beginning and 54.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.71ms. Allocated memory is still 73.4MB. Free memory was 54.6MB in the beginning and 43.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:36,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c17659e-fcad-4ebb-92cd-93d5e22c99ed/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