./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/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 07a8b8b198dffd8285677bd0bfdd16b4d1f780e3a9696ef3e27a077e8ff12a49 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:13,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:13,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:13,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:13,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:13,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:13,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:13,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:13,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:13,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:13,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:13,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:13,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:13,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:13,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:13,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:13,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:13,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:13,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:13,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:13,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:13,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:13,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:13,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:13,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:13,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:13,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:13,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:13,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:13,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:13,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:13,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:13,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:13,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:13,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:13,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:13,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:13,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:13,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:13,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:13,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:13,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:06:13,521 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:13,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:13,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:13,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:13,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:13,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:13,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:13,524 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:13,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:06:13,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:13,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:13,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:13,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:13,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:13,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:13,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:13,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:13,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:13,535 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:13,535 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:13,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:13,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:13,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:13,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:13,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:13,537 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:06:13,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:06:13,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:13,538 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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07a8b8b198dffd8285677bd0bfdd16b4d1f780e3a9696ef3e27a077e8ff12a49 [2021-11-23 15:06:13,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:13,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:13,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:13,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:13,910 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:13,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c [2021-11-23 15:06:13,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/data/dd6cd784d/ed0864770be34772bb149e2bb884a553/FLAGb88f0d6a4 [2021-11-23 15:06:14,497 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:14,498 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c [2021-11-23 15:06:14,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/data/dd6cd784d/ed0864770be34772bb149e2bb884a553/FLAGb88f0d6a4 [2021-11-23 15:06:14,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/data/dd6cd784d/ed0864770be34772bb149e2bb884a553 [2021-11-23 15:06:14,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:14,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:14,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:14,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:14,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:14,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:14" (1/1) ... [2021-11-23 15:06:14,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ab445a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:14, skipping insertion in model container [2021-11-23 15:06:14,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:14" (1/1) ... [2021-11-23 15:06:14,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:14,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:15,074 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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c[342,355] [2021-11-23 15:06:15,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:15,134 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:15,153 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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c[342,355] [2021-11-23 15:06:15,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:15,201 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:15,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15 WrapperNode [2021-11-23 15:06:15,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:15,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:15,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:15,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:15,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15" (1/1) ... [2021-11-23 15:06:15,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15" (1/1) ... [2021-11-23 15:06:15,268 INFO L137 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 131 [2021-11-23 15:06:15,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:15,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:15,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:15,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:15,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15" (1/1) ... [2021-11-23 15:06:15,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15" (1/1) ... [2021-11-23 15:06:15,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15" (1/1) ... [2021-11-23 15:06:15,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15" (1/1) ... [2021-11-23 15:06:15,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15" (1/1) ... [2021-11-23 15:06:15,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15" (1/1) ... [2021-11-23 15:06:15,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15" (1/1) ... [2021-11-23 15:06:15,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:15,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:15,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:15,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:15,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:15" (1/1) ... [2021-11-23 15:06:15,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:15,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:15,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:15,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:06:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:06:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:06:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:06:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:06:15,522 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:15,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:15,764 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:15,787 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 15:06:15,792 INFO L158 Benchmark]: Toolchain (without parser) took 940.40ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 51.0MB in the end (delta: 489.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:15,793 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:15,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.65ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 67.4MB in the end (delta: -16.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 15:06:15,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.49ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 65.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:15,796 INFO L158 Benchmark]: Boogie Preprocessor took 57.71ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:15,797 INFO L158 Benchmark]: RCFGBuilder took 461.65ms. Allocated memory is still 92.3MB. Free memory was 64.0MB in the beginning and 51.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:06:15,802 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 92.3MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.65ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 67.4MB in the end (delta: -16.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.49ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 65.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.71ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 461.65ms. Allocated memory is still 92.3MB. Free memory was 64.0MB in the beginning and 51.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. 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 15:06:15,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/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 07a8b8b198dffd8285677bd0bfdd16b4d1f780e3a9696ef3e27a077e8ff12a49 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:18,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:18,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:18,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:18,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:18,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:18,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:18,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:18,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:18,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:18,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:18,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:18,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:18,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:18,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:18,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:18,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:18,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:18,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:18,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:18,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:18,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:18,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:18,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:18,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:18,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:18,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:18,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:18,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:18,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:18,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:18,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:18,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:18,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:18,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:18,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:18,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:18,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:18,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:18,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:18,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:18,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:06:18,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:18,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:18,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:18,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:18,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:18,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:18,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:18,463 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:18,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:18,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:18,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:18,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:18,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:18,465 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:06:18,465 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:06:18,465 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:06:18,466 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:18,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:18,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:18,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:18,466 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:18,467 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:18,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:18,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:18,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:18,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:18,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:18,468 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:06:18,468 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:06:18,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:18,468 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:06:18,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:06:18,469 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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07a8b8b198dffd8285677bd0bfdd16b4d1f780e3a9696ef3e27a077e8ff12a49 [2021-11-23 15:06:18,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:18,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:18,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:18,883 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:18,884 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:18,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c [2021-11-23 15:06:18,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/data/15087868e/70cd797f33d34affb8285011ec56e50d/FLAG2b419a4fe [2021-11-23 15:06:19,560 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:19,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c [2021-11-23 15:06:19,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/data/15087868e/70cd797f33d34affb8285011ec56e50d/FLAG2b419a4fe [2021-11-23 15:06:19,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/data/15087868e/70cd797f33d34affb8285011ec56e50d [2021-11-23 15:06:19,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:19,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:19,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:19,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:19,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:19,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:19,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bc9bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:19, skipping insertion in model container [2021-11-23 15:06:19,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:19" (1/1) ... [2021-11-23 15:06:19,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:19,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:20,076 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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c[342,355] [2021-11-23 15:06:20,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:20,112 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:20,124 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_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/sv-benchmarks/c/array-industry-pattern/check_removal_from_set_after_insertion.c[342,355] [2021-11-23 15:06:20,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:20,175 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:20,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20 WrapperNode [2021-11-23 15:06:20,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:20,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:20,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:20,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:20,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20" (1/1) ... [2021-11-23 15:06:20,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20" (1/1) ... [2021-11-23 15:06:20,240 INFO L137 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 126 [2021-11-23 15:06:20,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:20,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:20,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:20,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:20,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20" (1/1) ... [2021-11-23 15:06:20,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20" (1/1) ... [2021-11-23 15:06:20,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20" (1/1) ... [2021-11-23 15:06:20,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20" (1/1) ... [2021-11-23 15:06:20,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20" (1/1) ... [2021-11-23 15:06:20,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20" (1/1) ... [2021-11-23 15:06:20,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20" (1/1) ... [2021-11-23 15:06:20,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:20,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:20,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:20,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:20,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:20" (1/1) ... [2021-11-23 15:06:20,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:20,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:20,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:20,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:06:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:06:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:20,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:06:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:06:20,425 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:20,427 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:20,666 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:20,700 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 15:06:20,704 INFO L158 Benchmark]: Toolchain (without parser) took 790.61ms. Allocated memory is still 67.1MB. Free memory was 47.7MB in the beginning and 32.8MB in the end (delta: 14.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 15:06:20,705 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:20,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.86ms. Allocated memory is still 67.1MB. Free memory was 47.6MB in the beginning and 50.0MB in the end (delta: -2.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 15:06:20,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.61ms. Allocated memory is still 67.1MB. Free memory was 49.8MB in the beginning and 48.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:20,708 INFO L158 Benchmark]: Boogie Preprocessor took 30.27ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 46.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:20,709 INFO L158 Benchmark]: RCFGBuilder took 430.74ms. Allocated memory is still 67.1MB. Free memory was 46.5MB in the beginning and 32.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:06:20,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.86ms. Allocated memory is still 67.1MB. Free memory was 47.6MB in the beginning and 50.0MB in the end (delta: -2.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.61ms. Allocated memory is still 67.1MB. Free memory was 49.8MB in the beginning and 48.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.27ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 46.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.74ms. Allocated memory is still 67.1MB. Free memory was 46.5MB in the beginning and 32.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. 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 15:06:20,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2e7252-bd9f-4a7a-a2ec-a915b72567db/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