./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-060.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_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/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_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-060.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/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_10fc74dc-37b9-432e-9007-4b6566cf7973/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 6c6c6bcdd72ea020631275d05f53f3a85eefff832aea60657c8517ea7b38d6be --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:02,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:02,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:02,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:02,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:02,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:02,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:02,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:02,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:02,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:02,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:02,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:02,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:02,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:02,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:02,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:02,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:02,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:02,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:02,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:02,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:02,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:02,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:02,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:02,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:02,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:02,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:02,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:02,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:02,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:02,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:02,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:02,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:02,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:02,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:02,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:02,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:02,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:02,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:02,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:02,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:02,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:02,760 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:02,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:02,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:02,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:02,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:02,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:02,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:02,763 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:02,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:02,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:02,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:02,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:02,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:02,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:02,766 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:02,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:02,766 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:02,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:02,767 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:02,767 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:02,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:02,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:02,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:02,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:02,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:02,769 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:02,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:02,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:02,769 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_10fc74dc-37b9-432e-9007-4b6566cf7973/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c6c6bcdd72ea020631275d05f53f3a85eefff832aea60657c8517ea7b38d6be [2021-11-23 15:52:03,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:03,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:03,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:03,095 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:03,102 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:03,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-060.c [2021-11-23 15:52:03,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/data/ce7b7fad6/9feaaa7875e544eab2db9492da484bba/FLAG6b10fd9d1 [2021-11-23 15:52:03,887 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:03,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/sv-benchmarks/c/xcsp/Dubois-060.c [2021-11-23 15:52:03,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/data/ce7b7fad6/9feaaa7875e544eab2db9492da484bba/FLAG6b10fd9d1 [2021-11-23 15:52:04,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/data/ce7b7fad6/9feaaa7875e544eab2db9492da484bba [2021-11-23 15:52:04,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:04,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:04,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:04,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:04,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:04,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:04,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401beea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04, skipping insertion in model container [2021-11-23 15:52:04,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:04,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:04,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:04,690 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_10fc74dc-37b9-432e-9007-4b6566cf7973/sv-benchmarks/c/xcsp/Dubois-060.c[42720,42733] [2021-11-23 15:52:04,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:04,720 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:04,948 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_10fc74dc-37b9-432e-9007-4b6566cf7973/sv-benchmarks/c/xcsp/Dubois-060.c[42720,42733] [2021-11-23 15:52:04,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:04,967 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:04,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04 WrapperNode [2021-11-23 15:52:04,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:04,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:04,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:04,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:04,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:05,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:05,172 INFO L137 Inliner]: procedures = 13, calls = 487, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1217 [2021-11-23 15:52:05,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:05,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:05,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:05,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:05,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:05,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:05,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:05,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:05,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:05,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:05,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:05,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:05,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:05,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:05,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:05,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:04" (1/1) ... [2021-11-23 15:52:05,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:05,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:05,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:05,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:05,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:05,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:52:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:52:05,733 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:05,743 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:06,600 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:06,659 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 15:52:06,664 INFO L158 Benchmark]: Toolchain (without parser) took 2554.16ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 75.2MB in the beginning and 89.9MB in the end (delta: -14.7MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:06,665 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:06,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.87ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 74.9MB in the beginning and 87.7MB in the end (delta: -12.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:06,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 202.79ms. Allocated memory is still 134.2MB. Free memory was 87.7MB in the beginning and 73.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:06,667 INFO L158 Benchmark]: Boogie Preprocessor took 157.17ms. Allocated memory is still 134.2MB. Free memory was 73.7MB in the beginning and 66.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:06,668 INFO L158 Benchmark]: RCFGBuilder took 1331.41ms. Allocated memory is still 134.2MB. Free memory was 66.0MB in the beginning and 89.9MB in the end (delta: -23.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-23 15:52:06,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 857.87ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 74.9MB in the beginning and 87.7MB in the end (delta: -12.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 202.79ms. Allocated memory is still 134.2MB. Free memory was 87.7MB in the beginning and 73.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 157.17ms. Allocated memory is still 134.2MB. Free memory was 73.7MB in the beginning and 66.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1331.41ms. Allocated memory is still 134.2MB. Free memory was 66.0MB in the beginning and 89.9MB in the end (delta: -23.9MB). Peak memory consumption was 22.9MB. 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 15:52:06,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/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_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-060.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/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_10fc74dc-37b9-432e-9007-4b6566cf7973/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 6c6c6bcdd72ea020631275d05f53f3a85eefff832aea60657c8517ea7b38d6be --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:09,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:09,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:09,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:09,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:09,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:09,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:09,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:09,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:09,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:09,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:09,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:09,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:09,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:09,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:09,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:09,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:09,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:09,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:09,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:09,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:09,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:09,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:09,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:09,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:09,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:09,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:09,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:09,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:09,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:09,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:09,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:09,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:09,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:09,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:09,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:09,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:09,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:09,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:09,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:09,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:09,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:09,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:09,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:09,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:09,387 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:09,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:09,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:09,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:09,389 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:09,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:09,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:09,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:09,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:09,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:09,391 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:09,391 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:09,392 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:09,392 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:09,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:09,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:09,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:09,393 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:09,393 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:09,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:09,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:09,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:09,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:09,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:09,395 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:09,395 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:09,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:09,395 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:09,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:09,396 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_10fc74dc-37b9-432e-9007-4b6566cf7973/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c6c6bcdd72ea020631275d05f53f3a85eefff832aea60657c8517ea7b38d6be [2021-11-23 15:52:09,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:09,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:09,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:09,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:09,843 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:09,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-060.c [2021-11-23 15:52:09,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/data/fa7fe2acd/c9541bec927e4e4e8cce9a7d45b3c13a/FLAG8476320a0 [2021-11-23 15:52:10,647 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:10,648 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/sv-benchmarks/c/xcsp/Dubois-060.c [2021-11-23 15:52:10,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/data/fa7fe2acd/c9541bec927e4e4e8cce9a7d45b3c13a/FLAG8476320a0 [2021-11-23 15:52:10,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/data/fa7fe2acd/c9541bec927e4e4e8cce9a7d45b3c13a [2021-11-23 15:52:10,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:10,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:10,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:10,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:10,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:10,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:10" (1/1) ... [2021-11-23 15:52:10,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f380cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:10, skipping insertion in model container [2021-11-23 15:52:10,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:10" (1/1) ... [2021-11-23 15:52:10,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:10,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:11,482 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_10fc74dc-37b9-432e-9007-4b6566cf7973/sv-benchmarks/c/xcsp/Dubois-060.c[42720,42733] [2021-11-23 15:52:11,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:11,538 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:11,678 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_10fc74dc-37b9-432e-9007-4b6566cf7973/sv-benchmarks/c/xcsp/Dubois-060.c[42720,42733] [2021-11-23 15:52:11,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:11,696 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:11,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11 WrapperNode [2021-11-23 15:52:11,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:11,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:11,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:11,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:11,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11" (1/1) ... [2021-11-23 15:52:11,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11" (1/1) ... [2021-11-23 15:52:11,844 INFO L137 Inliner]: procedures = 13, calls = 487, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1037 [2021-11-23 15:52:11,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:11,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:11,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:11,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:11,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11" (1/1) ... [2021-11-23 15:52:11,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11" (1/1) ... [2021-11-23 15:52:11,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11" (1/1) ... [2021-11-23 15:52:11,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11" (1/1) ... [2021-11-23 15:52:11,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11" (1/1) ... [2021-11-23 15:52:11,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11" (1/1) ... [2021-11-23 15:52:11,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11" (1/1) ... [2021-11-23 15:52:11,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:11,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:11,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:11,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:11,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:11" (1/1) ... [2021-11-23 15:52:11,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:12,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:12,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:52:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:52:12,211 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:12,213 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:13,121 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:13,146 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 15:52:13,150 INFO L158 Benchmark]: Toolchain (without parser) took 2283.02ms. Allocated memory was 65.0MB in the beginning and 144.7MB in the end (delta: 79.7MB). Free memory was 42.5MB in the beginning and 101.2MB in the end (delta: -58.7MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2021-11-23 15:52:13,151 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:13,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.75ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 42.3MB in the beginning and 41.3MB in the end (delta: 998.9kB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:13,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.40ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 51.2MB in the end (delta: -9.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:52:13,153 INFO L158 Benchmark]: Boogie Preprocessor took 139.80ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 43.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:13,154 INFO L158 Benchmark]: RCFGBuilder took 1162.04ms. Allocated memory was 83.9MB in the beginning and 144.7MB in the end (delta: 60.8MB). Free memory was 43.2MB in the beginning and 101.2MB in the end (delta: -57.9MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:13,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 829.75ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 42.3MB in the beginning and 41.3MB in the end (delta: 998.9kB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.40ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 51.2MB in the end (delta: -9.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.80ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 43.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1162.04ms. Allocated memory was 83.9MB in the beginning and 144.7MB in the end (delta: 60.8MB). Free memory was 43.2MB in the beginning and 101.2MB in the end (delta: -57.9MB). Peak memory consumption was 30.0MB. 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 15:52:13,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc74dc-37b9-432e-9007-4b6566cf7973/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