./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/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_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68e1c5cf050539b3ee8f058d38ff7af5aea2a400d05e41e0185e4509f45301e0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:29:45,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:29:45,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:29:45,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:29:45,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:29:45,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:29:45,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:29:45,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:29:45,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:29:45,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:29:45,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:29:45,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:29:45,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:29:45,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:29:45,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:29:45,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:29:45,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:29:45,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:29:45,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:29:45,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:29:45,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:29:45,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:29:45,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:29:45,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:29:45,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:29:45,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:29:45,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:29:45,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:29:45,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:29:45,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:29:45,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:29:45,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:29:45,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:29:45,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:29:45,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:29:45,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:29:45,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:29:45,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:29:45,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:29:45,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:29:45,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:29:45,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 15:29:45,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:29:45,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:29:45,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:29:45,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:29:45,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:29:45,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:29:45,210 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:29:45,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:29:45,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:29:45,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:29:45,220 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:29:45,220 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:29:45,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:29:45,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:29:45,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:29:45,222 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:29:45,222 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:29:45,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:29:45,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:45,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:29:45,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:29:45,223 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:29:45,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:29:45,224 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_19e82de2-646d-409c-8245-9c5648aee519/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68e1c5cf050539b3ee8f058d38ff7af5aea2a400d05e41e0185e4509f45301e0 [2021-11-23 15:29:45,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:29:45,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:29:45,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:29:45,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:29:45,584 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:29:45,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2021-11-23 15:29:45,700 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/data/3e0e0c049/fe7cb8b0f23b4368af009d5c4ead9c06/FLAGc9c2bfe86 [2021-11-23 15:29:46,450 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:29:46,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2021-11-23 15:29:46,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/data/3e0e0c049/fe7cb8b0f23b4368af009d5c4ead9c06/FLAGc9c2bfe86 [2021-11-23 15:29:46,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/data/3e0e0c049/fe7cb8b0f23b4368af009d5c4ead9c06 [2021-11-23 15:29:46,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:29:46,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:29:46,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:46,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:29:46,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:29:46,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a7350f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46, skipping insertion in model container [2021-11-23 15:29:46,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:29:46,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:29:47,281 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_19e82de2-646d-409c-8245-9c5648aee519/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2021-11-23 15:29:47,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:47,302 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:29:47,359 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_19e82de2-646d-409c-8245-9c5648aee519/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2021-11-23 15:29:47,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:47,411 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:29:47,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47 WrapperNode [2021-11-23 15:29:47,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:47,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:47,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:29:47,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:29:47,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47" (1/1) ... [2021-11-23 15:29:47,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47" (1/1) ... [2021-11-23 15:29:47,479 INFO L137 Inliner]: procedures = 129, calls = 40, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 250 [2021-11-23 15:29:47,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:47,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:29:47,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:29:47,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:29:47,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47" (1/1) ... [2021-11-23 15:29:47,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47" (1/1) ... [2021-11-23 15:29:47,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47" (1/1) ... [2021-11-23 15:29:47,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47" (1/1) ... [2021-11-23 15:29:47,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47" (1/1) ... [2021-11-23 15:29:47,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47" (1/1) ... [2021-11-23 15:29:47,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47" (1/1) ... [2021-11-23 15:29:47,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:29:47,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:29:47,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:29:47,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:29:47,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:47" (1/1) ... [2021-11-23 15:29:47,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:47,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:29:47,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:29:47,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:29:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:29:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:29:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:29:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:29:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:29:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:29:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:29:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:29:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:29:47,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:29:47,782 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:29:47,784 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:29:47,824 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:29:47,829 INFO L158 Benchmark]: Toolchain (without parser) took 1096.97ms. Allocated memory is still 132.1MB. Free memory was 96.7MB in the beginning and 86.0MB in the end (delta: 10.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 15:29:47,830 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:29:47,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 678.89ms. Allocated memory is still 132.1MB. Free memory was 96.7MB in the beginning and 99.4MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:29:47,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.31ms. Allocated memory is still 132.1MB. Free memory was 99.4MB in the beginning and 96.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:29:47,851 INFO L158 Benchmark]: Boogie Preprocessor took 45.59ms. Allocated memory is still 132.1MB. Free memory was 96.5MB in the beginning and 94.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:29:47,852 INFO L158 Benchmark]: RCFGBuilder took 300.53ms. Allocated memory is still 132.1MB. Free memory was 94.4MB in the beginning and 86.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:29:47,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 678.89ms. Allocated memory is still 132.1MB. Free memory was 96.7MB in the beginning and 99.4MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.31ms. Allocated memory is still 132.1MB. Free memory was 99.4MB in the beginning and 96.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.59ms. Allocated memory is still 132.1MB. Free memory was 96.5MB in the beginning and 94.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.53ms. Allocated memory is still 132.1MB. Free memory was 94.4MB in the beginning and 86.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:29:47,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/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_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/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_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68e1c5cf050539b3ee8f058d38ff7af5aea2a400d05e41e0185e4509f45301e0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:29:50,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:29:50,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:29:50,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:29:50,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:29:50,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:29:50,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:29:50,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:29:50,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:29:50,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:29:50,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:29:50,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:29:50,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:29:50,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:29:50,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:29:50,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:29:50,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:29:50,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:29:50,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:29:50,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:29:50,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:29:50,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:29:50,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:29:50,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:29:51,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:29:51,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:29:51,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:29:51,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:29:51,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:29:51,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:29:51,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:29:51,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:29:51,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:29:51,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:29:51,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:29:51,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:29:51,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:29:51,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:29:51,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:29:51,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:29:51,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:29:51,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2021-11-23 15:29:51,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:29:51,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:29:51,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:29:51,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:29:51,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:29:51,083 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:29:51,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:29:51,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:29:51,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:29:51,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:29:51,086 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:29:51,086 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:29:51,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:29:51,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:29:51,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:29:51,087 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:29:51,087 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:29:51,087 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:29:51,087 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:29:51,088 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:29:51,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:29:51,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:51,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:29:51,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:29:51,089 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:29:51,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:29:51,089 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:29:51,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:29:51,090 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_19e82de2-646d-409c-8245-9c5648aee519/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68e1c5cf050539b3ee8f058d38ff7af5aea2a400d05e41e0185e4509f45301e0 [2021-11-23 15:29:51,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:29:51,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:29:51,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:29:51,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:29:51,634 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:29:51,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2021-11-23 15:29:51,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/data/b20ba426e/1f1f5f27c425468dae7269afab3a2546/FLAG9abe08232 [2021-11-23 15:29:52,479 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:29:52,479 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2021-11-23 15:29:52,518 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/data/b20ba426e/1f1f5f27c425468dae7269afab3a2546/FLAG9abe08232 [2021-11-23 15:29:52,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/data/b20ba426e/1f1f5f27c425468dae7269afab3a2546 [2021-11-23 15:29:52,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:29:52,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:29:52,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:52,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:29:52,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:29:52,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5122c8b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52, skipping insertion in model container [2021-11-23 15:29:52,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:29:52,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:29:53,249 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_19e82de2-646d-409c-8245-9c5648aee519/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2021-11-23 15:29:53,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:53,266 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:29:53,380 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_19e82de2-646d-409c-8245-9c5648aee519/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2021-11-23 15:29:53,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:53,437 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:29:53,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53 WrapperNode [2021-11-23 15:29:53,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:53,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:53,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:29:53,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:29:53,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53" (1/1) ... [2021-11-23 15:29:53,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53" (1/1) ... [2021-11-23 15:29:53,551 INFO L137 Inliner]: procedures = 130, calls = 40, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 244 [2021-11-23 15:29:53,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:53,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:29:53,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:29:53,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:29:53,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53" (1/1) ... [2021-11-23 15:29:53,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53" (1/1) ... [2021-11-23 15:29:53,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53" (1/1) ... [2021-11-23 15:29:53,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53" (1/1) ... [2021-11-23 15:29:53,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53" (1/1) ... [2021-11-23 15:29:53,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53" (1/1) ... [2021-11-23 15:29:53,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53" (1/1) ... [2021-11-23 15:29:53,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:29:53,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:29:53,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:29:53,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:29:53,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:53" (1/1) ... [2021-11-23 15:29:53,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:53,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:29:53,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:29:53,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:29:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:29:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:29:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:29:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:29:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:29:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:29:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:29:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:29:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:29:53,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:29:53,845 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:29:53,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:29:53,895 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:29:53,900 INFO L158 Benchmark]: Toolchain (without parser) took 1157.59ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 51.8MB in the end (delta: -20.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-11-23 15:29:53,901 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 35.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:29:53,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.08ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.0MB in the beginning and 45.2MB in the end (delta: -14.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:29:53,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.03ms. Allocated memory is still 71.3MB. Free memory was 45.2MB in the beginning and 42.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:29:53,905 INFO L158 Benchmark]: Boogie Preprocessor took 53.59ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 40.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:29:53,906 INFO L158 Benchmark]: RCFGBuilder took 291.34ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 51.8MB in the end (delta: -11.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-11-23 15:29:53,910 INFO L339 ainManager$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 54.5MB. Free memory was 36.0MB in the beginning and 35.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.08ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.0MB in the beginning and 45.2MB in the end (delta: -14.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.03ms. Allocated memory is still 71.3MB. Free memory was 45.2MB in the beginning and 42.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.59ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 40.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.34ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 51.8MB in the end (delta: -11.7MB). Peak memory consumption was 13.2MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:29:53,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e82de2-646d-409c-8245-9c5648aee519/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