./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/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 f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:32,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:32,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:32,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:32,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:32,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:32,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:32,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:32,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:32,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:32,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:32,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:32,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:32,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:32,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:32,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:32,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:32,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:32,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:32,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:32,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:32,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:32,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:32,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:32,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:32,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:32,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:32,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:32,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:32,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:32,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:32,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:32,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:32,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:32,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:32,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:32,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:32,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:32,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:32,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:32,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:32,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:32,785 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:32,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:32,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:32,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:32,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:32,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:32,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:32,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:32,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:32,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:32,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:32,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:32,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:32,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:32,797 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:32,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:32,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:32,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:32,798 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:32,798 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:32,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:32,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:32,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:32,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:32,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:32,800 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:32,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:32,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:32,800 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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 [2021-11-23 15:52:33,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:33,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:33,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:33,069 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:33,070 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:33,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2021-11-23 15:52:33,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/data/bfa9ade3a/8b4b3b6419fd43879ab2d2bf2939da89/FLAG6f033e2a4 [2021-11-23 15:52:33,682 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:33,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2021-11-23 15:52:33,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/data/bfa9ade3a/8b4b3b6419fd43879ab2d2bf2939da89/FLAG6f033e2a4 [2021-11-23 15:52:33,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/data/bfa9ade3a/8b4b3b6419fd43879ab2d2bf2939da89 [2021-11-23 15:52:33,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:33,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:33,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:33,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:33,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:33,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:33" (1/1) ... [2021-11-23 15:52:33,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6791618f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:33, skipping insertion in model container [2021-11-23 15:52:33,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:33" (1/1) ... [2021-11-23 15:52:33,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:34,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:34,414 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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2021-11-23 15:52:34,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:34,617 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:34,642 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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2021-11-23 15:52:34,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:34,735 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:34,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34 WrapperNode [2021-11-23 15:52:34,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:34,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:34,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:34,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:34,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,873 INFO L137 Inliner]: procedures = 144, calls = 395, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 738 [2021-11-23 15:52:34,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:34,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:34,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:34,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:34,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:34,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:35,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:35,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:35,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:35,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:35,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:35,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:35,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:35,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:34" (1/1) ... [2021-11-23 15:52:35,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:35,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:35,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:35,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:52:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:52:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:52:35,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:52:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:52:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-23 15:52:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-23 15:52:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:52:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:52:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:52:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-23 15:52:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-23 15:52:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:35,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:35,328 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:35,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:35,633 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-23 15:52:35,633 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:52:35,633 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-23 15:52:35,634 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:52:35,634 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: SUMMARY for call __CS_cs(); srcloc: null [2021-11-23 15:52:35,634 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-23 15:52:35,634 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume !(0 != ~__CS_ret~0 % 256); [2021-11-23 15:52:47,528 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:47,553 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:52:47,558 INFO L158 Benchmark]: Toolchain (without parser) took 13583.89ms. Allocated memory was 113.2MB in the beginning and 247.5MB in the end (delta: 134.2MB). Free memory was 82.4MB in the beginning and 145.0MB in the end (delta: -62.6MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:47,559 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:47,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 759.58ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 66.6MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:52:47,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.66ms. Allocated memory is still 113.2MB. Free memory was 66.6MB in the beginning and 60.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:52:47,561 INFO L158 Benchmark]: Boogie Preprocessor took 156.70ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 60.8MB in the beginning and 127.0MB in the end (delta: -66.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:47,562 INFO L158 Benchmark]: RCFGBuilder took 12523.33ms. Allocated memory was 155.2MB in the beginning and 247.5MB in the end (delta: 92.3MB). Free memory was 126.9MB in the beginning and 145.0MB in the end (delta: -18.1MB). Peak memory consumption was 135.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:47,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 759.58ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 66.6MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.66ms. Allocated memory is still 113.2MB. Free memory was 66.6MB in the beginning and 60.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.70ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 60.8MB in the beginning and 127.0MB in the end (delta: -66.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * RCFGBuilder took 12523.33ms. Allocated memory was 155.2MB in the beginning and 247.5MB in the end (delta: 92.3MB). Free memory was 126.9MB in the beginning and 145.0MB in the end (delta: -18.1MB). Peak memory consumption was 135.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:47,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/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 f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:50,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:50,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:50,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:50,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:50,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:50,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:50,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:50,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:50,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:50,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:50,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:50,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:50,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:50,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:50,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:50,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:50,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:50,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:50,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:50,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:50,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:50,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:50,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:50,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:50,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:50,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:50,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:50,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:50,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:50,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:50,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:50,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:50,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:50,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:50,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:50,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:50,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:50,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:50,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:50,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:50,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:50,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:50,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:50,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:50,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:50,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:50,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:50,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:50,214 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:50,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:50,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:50,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:50,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:50,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:50,216 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:50,216 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:50,216 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:50,217 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:50,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:50,217 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:50,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:50,218 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:50,218 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:50,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:50,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:50,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:50,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:50,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:50,219 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:50,220 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:50,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:50,220 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:50,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:50,221 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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 [2021-11-23 15:52:50,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:50,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:50,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:50,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:50,633 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:50,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2021-11-23 15:52:50,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/data/8f4e11f9b/9a649d36b88d4badaba1a969bdba4edb/FLAG72fe8291e [2021-11-23 15:52:51,321 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:51,326 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2021-11-23 15:52:51,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/data/8f4e11f9b/9a649d36b88d4badaba1a969bdba4edb/FLAG72fe8291e [2021-11-23 15:52:51,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/data/8f4e11f9b/9a649d36b88d4badaba1a969bdba4edb [2021-11-23 15:52:51,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:51,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:51,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:51,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:51,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:51,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:51" (1/1) ... [2021-11-23 15:52:51,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732f1c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:51, skipping insertion in model container [2021-11-23 15:52:51,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:51" (1/1) ... [2021-11-23 15:52:51,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:51,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:51,950 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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2021-11-23 15:52:52,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:52,074 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:52,102 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_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2021-11-23 15:52:52,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:52,283 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:52,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52 WrapperNode [2021-11-23 15:52:52,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:52,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:52,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:52,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:52,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52" (1/1) ... [2021-11-23 15:52:52,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52" (1/1) ... [2021-11-23 15:52:52,392 INFO L137 Inliner]: procedures = 148, calls = 395, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 734 [2021-11-23 15:52:52,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:52,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:52,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:52,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:52,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52" (1/1) ... [2021-11-23 15:52:52,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52" (1/1) ... [2021-11-23 15:52:52,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52" (1/1) ... [2021-11-23 15:52:52,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52" (1/1) ... [2021-11-23 15:52:52,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52" (1/1) ... [2021-11-23 15:52:52,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52" (1/1) ... [2021-11-23 15:52:52,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52" (1/1) ... [2021-11-23 15:52:52,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:52,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:52,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:52,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:52,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:52" (1/1) ... [2021-11-23 15:52:52,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:52,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:52,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:52,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:52:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:52:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:52:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-23 15:52:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-23 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:52:52,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-23 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-23 15:52:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-23 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:52,836 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:52,838 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:53,366 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv32, 0bv32;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-23 15:52:53,366 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:52:53,367 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv32, 0bv32;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-23 15:52:53,367 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:52:53,367 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: SUMMARY for call __CS_cs(); srcloc: null [2021-11-23 15:52:53,367 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);main_thread_#res#1.base, main_thread_#res#1.offset := 0bv32, 0bv32;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-23 15:52:53,367 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-23 15:53:05,791 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:05,821 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:53:05,830 INFO L158 Benchmark]: Toolchain (without parser) took 14281.49ms. Allocated memory was 60.8MB in the beginning and 199.2MB in the end (delta: 138.4MB). Free memory was 37.1MB in the beginning and 103.1MB in the end (delta: -66.0MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:05,831 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:05,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.11ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 33.1MB in the end (delta: 3.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-23 15:53:05,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.48ms. Allocated memory is still 60.8MB. Free memory was 33.1MB in the beginning and 27.3MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:05,835 INFO L158 Benchmark]: Boogie Preprocessor took 140.15ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 27.3MB in the beginning and 53.6MB in the end (delta: -26.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 15:53:05,837 INFO L158 Benchmark]: RCFGBuilder took 13293.18ms. Allocated memory was 79.7MB in the beginning and 199.2MB in the end (delta: 119.5MB). Free memory was 53.6MB in the beginning and 103.1MB in the end (delta: -49.5MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:05,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.11ms. Allocated memory is still 60.8MB. Free memory was 36.8MB in the beginning and 33.1MB in the end (delta: 3.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.48ms. Allocated memory is still 60.8MB. Free memory was 33.1MB in the beginning and 27.3MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.15ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 27.3MB in the beginning and 53.6MB in the end (delta: -26.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * RCFGBuilder took 13293.18ms. Allocated memory was 79.7MB in the beginning and 199.2MB in the end (delta: 119.5MB). Free memory was 53.6MB in the beginning and 103.1MB in the end (delta: -49.5MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:05,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82f8b95-1dc0-4330-a5ff-36b532fb1aa4/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