./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-optional-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_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/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_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-optional-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/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_7b80232e-ed85-4c86-87c7-b889b99bbcab/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 1c592bb1d39faa1e5f3d20603a8bfbb8fe6cff4de59ea35fafbddd50b8917b41 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:02,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:02,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:02,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:02,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:02,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:02,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:02,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:02,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:02,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:02,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:02,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:02,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:02,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:02,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:02,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:02,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:02,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:02,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:02,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:02,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:02,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:02,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:02,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:02,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:02,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:02,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:02,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:02,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:02,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:02,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:02,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:02,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:02,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:02,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:02,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:02,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:02,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:02,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:02,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:02,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:02,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:46:02,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:02,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:02,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:02,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:02,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:02,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:02,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:02,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:02,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:46:02,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:02,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:02,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:02,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:02,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:02,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:02,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:02,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:02,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:02,547 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:02,547 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:02,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:02,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:02,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:02,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:02,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:02,549 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:46:02,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:46:02,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:02,550 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_7b80232e-ed85-4c86-87c7-b889b99bbcab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c592bb1d39faa1e5f3d20603a8bfbb8fe6cff4de59ea35fafbddd50b8917b41 [2021-11-23 15:46:02,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:02,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:02,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:02,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:02,875 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:02,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/dll-optional-1.i [2021-11-23 15:46:02,954 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/data/c16b5e8c7/d06ec6a53a9d46ddbde010d97cce5b49/FLAGf69bc6b4d [2021-11-23 15:46:03,585 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:03,586 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/sv-benchmarks/c/forester-heap/dll-optional-1.i [2021-11-23 15:46:03,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/data/c16b5e8c7/d06ec6a53a9d46ddbde010d97cce5b49/FLAGf69bc6b4d [2021-11-23 15:46:03,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/data/c16b5e8c7/d06ec6a53a9d46ddbde010d97cce5b49 [2021-11-23 15:46:03,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:03,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:03,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:03,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:03,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:03,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:03" (1/1) ... [2021-11-23 15:46:03,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a103c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:03, skipping insertion in model container [2021-11-23 15:46:03,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:03" (1/1) ... [2021-11-23 15:46:03,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:03,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:04,267 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_7b80232e-ed85-4c86-87c7-b889b99bbcab/sv-benchmarks/c/forester-heap/dll-optional-1.i[22753,22766] [2021-11-23 15:46:04,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:04,287 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:04,359 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_7b80232e-ed85-4c86-87c7-b889b99bbcab/sv-benchmarks/c/forester-heap/dll-optional-1.i[22753,22766] [2021-11-23 15:46:04,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:04,392 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:04,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04 WrapperNode [2021-11-23 15:46:04,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:04,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:04,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:04,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:04,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04" (1/1) ... [2021-11-23 15:46:04,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04" (1/1) ... [2021-11-23 15:46:04,443 INFO L137 Inliner]: procedures = 119, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 134 [2021-11-23 15:46:04,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:04,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:04,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:04,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:04,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04" (1/1) ... [2021-11-23 15:46:04,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04" (1/1) ... [2021-11-23 15:46:04,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04" (1/1) ... [2021-11-23 15:46:04,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04" (1/1) ... [2021-11-23 15:46:04,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04" (1/1) ... [2021-11-23 15:46:04,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04" (1/1) ... [2021-11-23 15:46:04,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04" (1/1) ... [2021-11-23 15:46:04,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:04,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:04,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:04,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:04,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:04" (1/1) ... [2021-11-23 15:46:04,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:04,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:04,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:04,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:46:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:46:04,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:46:04,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:46:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:46:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:46:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:46:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:04,729 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:04,731 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:05,055 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:05,078 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:46:05,083 INFO L158 Benchmark]: Toolchain (without parser) took 1227.04ms. Allocated memory is still 102.8MB. Free memory was 69.7MB in the beginning and 51.5MB in the end (delta: 18.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-23 15:46:05,083 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:05,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.50ms. Allocated memory is still 102.8MB. Free memory was 69.7MB in the beginning and 72.5MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:46:05,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.45ms. Allocated memory is still 102.8MB. Free memory was 72.5MB in the beginning and 70.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:05,086 INFO L158 Benchmark]: Boogie Preprocessor took 49.94ms. Allocated memory is still 102.8MB. Free memory was 70.4MB in the beginning and 68.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:05,087 INFO L158 Benchmark]: RCFGBuilder took 585.69ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 51.5MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:46:05,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.50ms. Allocated memory is still 102.8MB. Free memory was 69.7MB in the beginning and 72.5MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.45ms. Allocated memory is still 102.8MB. Free memory was 72.5MB in the beginning and 70.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.94ms. Allocated memory is still 102.8MB. Free memory was 70.4MB in the beginning and 68.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.69ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 51.5MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:46:05,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/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_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/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_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-optional-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/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_7b80232e-ed85-4c86-87c7-b889b99bbcab/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 1c592bb1d39faa1e5f3d20603a8bfbb8fe6cff4de59ea35fafbddd50b8917b41 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:07,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:07,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:07,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:07,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:07,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:07,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:07,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:07,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:07,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:07,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:07,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:07,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:07,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:07,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:07,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:07,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:07,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:07,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:07,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:07,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:07,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:07,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:07,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:07,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:07,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:07,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:07,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:07,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:07,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:07,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:07,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:07,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:07,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:07,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:07,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:07,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:07,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:07,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:07,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:07,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:07,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:46:07,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:07,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:07,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:07,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:07,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:07,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:07,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:07,753 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:07,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:07,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:07,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:07,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:07,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:07,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:46:07,755 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:46:07,756 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:46:07,756 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:07,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:07,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:07,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:07,757 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:07,757 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:07,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:07,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:07,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:07,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:07,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:07,758 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:46:07,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:46:07,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:07,759 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:46:07,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:46:07,760 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_7b80232e-ed85-4c86-87c7-b889b99bbcab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c592bb1d39faa1e5f3d20603a8bfbb8fe6cff4de59ea35fafbddd50b8917b41 [2021-11-23 15:46:08,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:08,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:08,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:08,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:08,192 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:08,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/dll-optional-1.i [2021-11-23 15:46:08,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/data/0b3e5ef46/d4a006d597604dafabd9437848b4d541/FLAG7d1102b36 [2021-11-23 15:46:08,909 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:08,910 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/sv-benchmarks/c/forester-heap/dll-optional-1.i [2021-11-23 15:46:08,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/data/0b3e5ef46/d4a006d597604dafabd9437848b4d541/FLAG7d1102b36 [2021-11-23 15:46:09,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/data/0b3e5ef46/d4a006d597604dafabd9437848b4d541 [2021-11-23 15:46:09,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:09,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:09,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:09,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:09,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:09,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3cd250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09, skipping insertion in model container [2021-11-23 15:46:09,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:09,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:09,688 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_7b80232e-ed85-4c86-87c7-b889b99bbcab/sv-benchmarks/c/forester-heap/dll-optional-1.i[22753,22766] [2021-11-23 15:46:09,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:09,705 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:09,748 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_7b80232e-ed85-4c86-87c7-b889b99bbcab/sv-benchmarks/c/forester-heap/dll-optional-1.i[22753,22766] [2021-11-23 15:46:09,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:09,802 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:09,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09 WrapperNode [2021-11-23 15:46:09,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:09,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:09,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:09,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:09,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,863 INFO L137 Inliner]: procedures = 122, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 130 [2021-11-23 15:46:09,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:09,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:09,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:09,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:09,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:09,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:09,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:09,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:09,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:09" (1/1) ... [2021-11-23 15:46:09,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:09,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:09,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:09,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:46:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:46:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:46:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:46:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:46:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:46:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:46:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:10,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:10,167 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:10,169 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:10,777 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:10,795 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:46:10,801 INFO L158 Benchmark]: Toolchain (without parser) took 1592.77ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 35.6MB in the end (delta: 8.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-11-23 15:46:10,803 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:10,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.37ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 40.4MB in the end (delta: 3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:10,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.22ms. Allocated memory is still 65.0MB. Free memory was 40.4MB in the beginning and 38.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:10,806 INFO L158 Benchmark]: Boogie Preprocessor took 37.31ms. Allocated memory is still 65.0MB. Free memory was 38.2MB in the beginning and 36.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:10,807 INFO L158 Benchmark]: RCFGBuilder took 897.29ms. Allocated memory is still 65.0MB. Free memory was 36.1MB in the beginning and 35.6MB in the end (delta: 470.5kB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-23 15:46:10,812 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.37ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 40.4MB in the end (delta: 3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.22ms. Allocated memory is still 65.0MB. Free memory was 40.4MB in the beginning and 38.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.31ms. Allocated memory is still 65.0MB. Free memory was 38.2MB in the beginning and 36.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 897.29ms. Allocated memory is still 65.0MB. Free memory was 36.1MB in the beginning and 35.6MB in the end (delta: 470.5kB). Peak memory consumption was 12.3MB. 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 15:46:10,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b80232e-ed85-4c86-87c7-b889b99bbcab/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