./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter_iir.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter_iir.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4 --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 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:00:35,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:00:35,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:00:35,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:00:35,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:00:35,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:00:35,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:00:35,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:00:35,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:00:35,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:00:35,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:00:35,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:00:35,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:00:35,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:00:35,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:00:35,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:00:35,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:00:35,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:00:35,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:00:35,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:00:35,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:00:35,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:00:35,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:00:35,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:00:35,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:00:35,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:00:35,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:00:35,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:00:35,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:00:35,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:00:35,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:00:35,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:00:35,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:00:35,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:00:35,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:00:35,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:00:35,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:00:35,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:00:35,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:00:35,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:00:35,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:00:35,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:00:35,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:00:35,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:00:35,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:00:35,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:00:35,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:00:35,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:00:35,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:00:35,551 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:00:35,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:00:35,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:00:35,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:00:35,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:00:35,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:00:35,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:00:35,552 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:00:35,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:00:35,552 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:00:35,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:00:35,552 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:00:35,552 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:00:35,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:00:35,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:00:35,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:00:35,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:00:35,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:00:35,553 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:00:35,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:00:35,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:00:35,554 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_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 [2022-12-15 00:00:35,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:00:35,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:00:35,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:00:35,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:00:35,767 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:00:35,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/float-benchs/filter_iir.c [2022-12-15 00:00:38,354 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:00:38,514 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:00:38,515 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/sv-benchmarks/c/float-benchs/filter_iir.c [2022-12-15 00:00:38,519 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/data/86c514ab0/83a92d21c9ed479ea89318080dfa6c7c/FLAG373e2b064 [2022-12-15 00:00:38,925 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/data/86c514ab0/83a92d21c9ed479ea89318080dfa6c7c [2022-12-15 00:00:38,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:00:38,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:00:38,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:00:38,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:00:38,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:00:38,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:00:38" (1/1) ... [2022-12-15 00:00:38,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d50fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:38, skipping insertion in model container [2022-12-15 00:00:38,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:00:38" (1/1) ... [2022-12-15 00:00:38,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:00:38,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:00:39,066 WARN L237 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_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2022-12-15 00:00:39,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:00:39,100 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:00:39,109 WARN L237 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_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2022-12-15 00:00:39,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:00:39,127 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:00:39,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39 WrapperNode [2022-12-15 00:00:39,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:00:39,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:00:39,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:00:39,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:00:39,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,155 INFO L138 Inliner]: procedures = 18, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 140 [2022-12-15 00:00:39,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:00:39,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:00:39,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:00:39,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:00:39,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,175 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:00:39,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:00:39,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:00:39,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:00:39,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:00:39,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:00:39,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:00:39,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:00:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:00:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:00:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-15 00:00:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-12-15 00:00:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:00:39,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:00:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-12-15 00:00:39,313 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:00:39,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:00:39,513 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:00:39,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:00:39,607 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:00:39,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:00:39 BoogieIcfgContainer [2022-12-15 00:00:39,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:00:39,611 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:00:39,611 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:00:39,620 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:00:39,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:00:39" (1/1) ... [2022-12-15 00:00:39,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:00:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:00:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-15 00:00:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-15 00:00:39,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:00:39,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:00:39,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:00:39,724 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort Real not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSorts(NonDeclaringTermTransferrer.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:158) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2022-12-15 00:00:39,728 INFO L158 Benchmark]: Toolchain (without parser) took 798.70ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 62.1MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-15 00:00:39,728 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:00:39,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.20ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 95.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 00:00:39,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.34ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:00:39,730 INFO L158 Benchmark]: Boogie Preprocessor took 20.69ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 91.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:00:39,731 INFO L158 Benchmark]: RCFGBuilder took 432.66ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 67.8MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-15 00:00:39,732 INFO L158 Benchmark]: CodeCheck took 115.37ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 62.1MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:00:39,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort Real not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort Real not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.20ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 95.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.34ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.69ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 91.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 432.66ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 67.8MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 115.37ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 62.1MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 00:00:39,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter_iir.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4 --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 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:00:41,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:00:41,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:00:41,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:00:41,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:00:41,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:00:41,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:00:41,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:00:41,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:00:41,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:00:41,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:00:41,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:00:41,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:00:41,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:00:41,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:00:41,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:00:41,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:00:41,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:00:41,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:00:41,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:00:41,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:00:41,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:00:41,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:00:41,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:00:41,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:00:41,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:00:41,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:00:41,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:00:41,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:00:41,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:00:41,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:00:41,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:00:41,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:00:41,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:00:41,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:00:41,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:00:41,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:00:41,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:00:41,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:00:41,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:00:41,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:00:41,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-15 00:00:41,423 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:00:41,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:00:41,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:00:41,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:00:41,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:00:41,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:00:41,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:00:41,426 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:00:41,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:00:41,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:00:41,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:00:41,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:00:41,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:00:41,427 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 00:00:41,427 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 00:00:41,427 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 00:00:41,427 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:00:41,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:00:41,428 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:00:41,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:00:41,428 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:00:41,428 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:00:41,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:00:41,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:00:41,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:00:41,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:00:41,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:00:41,430 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 00:00:41,430 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 00:00:41,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:00:41,430 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 00:00:41,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 00:00:41,431 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_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 [2022-12-15 00:00:41,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:00:41,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:00:41,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:00:41,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:00:41,693 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:00:41,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/float-benchs/filter_iir.c [2022-12-15 00:00:44,288 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:00:44,436 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:00:44,436 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/sv-benchmarks/c/float-benchs/filter_iir.c [2022-12-15 00:00:44,441 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/data/725ea3d34/20ebbf09d14449b2849715da00d8cfa1/FLAG4fef3971a [2022-12-15 00:00:44,453 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/data/725ea3d34/20ebbf09d14449b2849715da00d8cfa1 [2022-12-15 00:00:44,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:00:44,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:00:44,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:00:44,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:00:44,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:00:44,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e4addd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44, skipping insertion in model container [2022-12-15 00:00:44,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:00:44,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:00:44,598 WARN L237 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_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2022-12-15 00:00:44,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:00:44,635 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:00:44,646 WARN L237 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_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2022-12-15 00:00:44,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:00:44,681 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:00:44,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44 WrapperNode [2022-12-15 00:00:44,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:00:44,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:00:44,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:00:44,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:00:44,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,715 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 141 [2022-12-15 00:00:44,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:00:44,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:00:44,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:00:44,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:00:44,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,738 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:00:44,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:00:44,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:00:44,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:00:44,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:00:44" (1/1) ... [2022-12-15 00:00:44,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:00:44,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:00:44,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:00:44,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:00:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:00:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-12-15 00:00:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-12-15 00:00:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 00:00:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-12-15 00:00:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:00:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:00:44,887 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:00:44,889 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:00:55,725 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:00:55,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:00:55,870 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:00:55,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:00:55 BoogieIcfgContainer [2022-12-15 00:00:55,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:00:55,873 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:00:55,873 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:00:55,883 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:00:55,883 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:00:55" (1/1) ... [2022-12-15 00:00:55,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:00:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:00:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-15 00:00:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-15 00:00:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:00:55,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:00:55,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:00:55,959 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2022-12-15 00:00:55,962 INFO L158 Benchmark]: Toolchain (without parser) took 11504.94ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 36.0MB in the beginning and 39.0MB in the end (delta: -3.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 00:00:55,963 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:00:55,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.06ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 35.7MB in the beginning and 59.9MB in the end (delta: -24.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-12-15 00:00:55,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.95ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 57.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:00:55,965 INFO L158 Benchmark]: Boogie Preprocessor took 26.37ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 55.7MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:00:55,965 INFO L158 Benchmark]: RCFGBuilder took 11129.93ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 45.3MB in the end (delta: 10.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-12-15 00:00:55,966 INFO L158 Benchmark]: CodeCheck took 87.52ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 39.0MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-15 00:00:55,969 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.06ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 35.7MB in the beginning and 59.9MB in the end (delta: -24.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.95ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 57.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.37ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 55.7MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11129.93ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 45.3MB in the end (delta: 10.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * CodeCheck took 87.52ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 39.0MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 00:00:56,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b64fa0c-46ab-4689-bcf5-3c79788bf6ce/bin/ukojak-rkRKPMF4O4/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: SMTLIBException: Sort BitVec not declared