./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_reinit.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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_reinit.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/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 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:52,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:52,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:52,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:52,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:52,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:52,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:52,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:52,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:52,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:52,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:52,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:52,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:52,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:52,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:52,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:52,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:52,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:52,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:52,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:52,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:52,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:52,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:52,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:52,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:52,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:52,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:52,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:52,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:52,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:52,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:52,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:52,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:52,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:52,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:52,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:52,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:52,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:52,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:52,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:52,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:52,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:52,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:52,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:52,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:52,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:52,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:52,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:52,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:52,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:52,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:52,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:52,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:52,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:52,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:52,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:52,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:52,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:52,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:52,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:52,956 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:52,956 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:52,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:52,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:52,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:52,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:52,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:52,957 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:52,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:52,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:52,958 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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 [2021-11-23 15:58:53,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:53,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:53,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:53,250 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:53,251 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:53,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-benchs/filter2_reinit.c [2021-11-23 15:58:53,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/data/54f2b3fe3/9c9c344940944583b2d64098b5143875/FLAG0f6cd13b2 [2021-11-23 15:58:53,858 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:53,859 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/sv-benchmarks/c/float-benchs/filter2_reinit.c [2021-11-23 15:58:53,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/data/54f2b3fe3/9c9c344940944583b2d64098b5143875/FLAG0f6cd13b2 [2021-11-23 15:58:54,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/data/54f2b3fe3/9c9c344940944583b2d64098b5143875 [2021-11-23 15:58:54,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:54,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:54,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:54,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:54,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:54,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2d5eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54, skipping insertion in model container [2021-11-23 15:58:54,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:54,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:54,488 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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2021-11-23 15:58:54,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:54,518 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:54,532 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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2021-11-23 15:58:54,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:54,567 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:54,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54 WrapperNode [2021-11-23 15:58:54,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:54,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:54,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:54,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:54,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,613 INFO L137 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2021-11-23 15:58:54,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:54,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:54,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:54,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:54,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:54,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:54,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:54,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:54,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:54,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:54,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:54,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:58:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:58:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:54,802 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:54,804 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:54,922 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:54,940 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 15:58:54,945 INFO L158 Benchmark]: Toolchain (without parser) took 757.32ms. Allocated memory is still 104.9MB. Free memory was 63.6MB in the beginning and 66.3MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:54,946 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:54,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.04ms. Allocated memory is still 104.9MB. Free memory was 63.4MB in the beginning and 79.2MB in the end (delta: -15.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.59ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 77.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,949 INFO L158 Benchmark]: Boogie Preprocessor took 25.87ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 76.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,950 INFO L158 Benchmark]: RCFGBuilder took 301.99ms. Allocated memory is still 104.9MB. Free memory was 76.5MB in the beginning and 66.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.04ms. Allocated memory is still 104.9MB. Free memory was 63.4MB in the beginning and 79.2MB in the end (delta: -15.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.59ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 77.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.87ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 76.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 301.99ms. Allocated memory is still 104.9MB. Free memory was 76.5MB in the beginning and 66.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. 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 15:58:55,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_reinit.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/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 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:57,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:57,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:57,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:57,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:57,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:57,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:57,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:57,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:57,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:57,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:57,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:57,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:57,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:57,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:57,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:57,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:57,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:57,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:57,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:57,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:57,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:57,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:57,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:57,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:57,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:57,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:57,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:57,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:57,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:57,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:57,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:57,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:57,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:57,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:57,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:57,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:57,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:57,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:57,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:57,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:57,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:57,947 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:57,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:57,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:57,949 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:57,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:57,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:57,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:57,952 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:57,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:57,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:57,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:57,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:57,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:57,954 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:57,954 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:57,955 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:57,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:57,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:57,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:57,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:57,956 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:57,956 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:57,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:57,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:57,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:57,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:57,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:57,958 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:57,958 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:57,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:57,958 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:57,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:57,959 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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 [2021-11-23 15:58:58,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:58,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:58,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:58,435 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:58,436 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:58,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-benchs/filter2_reinit.c [2021-11-23 15:58:58,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/data/c1c60baf1/3239d86efafb40c68cd7c76787ad148e/FLAG3db350ee5 [2021-11-23 15:58:59,166 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:59,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/sv-benchmarks/c/float-benchs/filter2_reinit.c [2021-11-23 15:58:59,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/data/c1c60baf1/3239d86efafb40c68cd7c76787ad148e/FLAG3db350ee5 [2021-11-23 15:58:59,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/data/c1c60baf1/3239d86efafb40c68cd7c76787ad148e [2021-11-23 15:58:59,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:59,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:59,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:59,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:59,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:59,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63984a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59, skipping insertion in model container [2021-11-23 15:58:59,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:59,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:59,697 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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2021-11-23 15:58:59,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:59,730 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:59,745 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_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2021-11-23 15:58:59,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:59,793 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:59,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59 WrapperNode [2021-11-23 15:58:59,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:59,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:59,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:59,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:59,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,874 INFO L137 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2021-11-23 15:58:59,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:59,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:59,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:59,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:59,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:59,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:59,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:59,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:59,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:59,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:59,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:59,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:58:59,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:58:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:59,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:00,093 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:00,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:10,522 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:10,544 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 15:59:10,552 INFO L158 Benchmark]: Toolchain (without parser) took 11055.90ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 31.5MB in the end (delta: 9.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:10,554 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:10,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.92ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 44.4MB in the end (delta: -3.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:10,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.17ms. Allocated memory is still 60.8MB. Free memory was 44.4MB in the beginning and 42.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:10,559 INFO L158 Benchmark]: Boogie Preprocessor took 26.46ms. Allocated memory is still 60.8MB. Free memory was 42.7MB in the beginning and 41.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:10,560 INFO L158 Benchmark]: RCFGBuilder took 10642.80ms. Allocated memory is still 60.8MB. Free memory was 41.4MB in the beginning and 31.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:59:10,562 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 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.92ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 44.4MB in the end (delta: -3.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.17ms. Allocated memory is still 60.8MB. Free memory was 44.4MB in the beginning and 42.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.46ms. Allocated memory is still 60.8MB. Free memory was 42.7MB in the beginning and 41.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10642.80ms. Allocated memory is still 60.8MB. Free memory was 41.4MB in the beginning and 31.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. 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 15:59:10,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1fb2a3-f78c-4236-bc5c-a1c060be9c47/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable