./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 198a885d453136e0f485e10bae010eb2ed68236b2d57919bf162df9bdad27ee6 --- 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-6b4ec56 [2022-11-20 17:55:51,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:55:51,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:55:51,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:55:51,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:55:51,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:55:51,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:55:51,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:55:51,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:55:51,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:55:51,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:55:51,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:55:51,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:55:51,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:55:51,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:55:51,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:55:51,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:55:51,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:55:51,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:55:51,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:55:51,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:55:51,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:55:51,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:55:51,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:55:51,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:55:51,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:55:51,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:55:51,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:55:51,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:55:51,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:55:51,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:55:51,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:55:51,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:55:51,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:55:51,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:55:51,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:55:51,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:55:51,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:55:51,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:55:51,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:55:51,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:55:51,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:55:51,579 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:55:51,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:55:51,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:55:51,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:55:51,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:55:51,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:55:51,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:55:51,583 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:55:51,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:55:51,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:55:51,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:55:51,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:55:51,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:55:51,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:55:51,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:55:51,585 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:55:51,586 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:55:51,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:55:51,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:55:51,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:55:51,586 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:55:51,587 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:55:51,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:55:51,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:55:51,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:55:51,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:55:51,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:55:51,588 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:55:51,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:55:51,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:55:51,589 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_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 198a885d453136e0f485e10bae010eb2ed68236b2d57919bf162df9bdad27ee6 [2022-11-20 17:55:51,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:55:51,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:55:51,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:55:51,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:55:51,896 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:55:51,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2022-11-20 17:55:55,006 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:55:55,207 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:55:55,208 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2022-11-20 17:55:55,216 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/data/3e0b213b8/96e69e5e481140f6861c1a51948e3e43/FLAG4947fc1f3 [2022-11-20 17:55:55,237 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/data/3e0b213b8/96e69e5e481140f6861c1a51948e3e43 [2022-11-20 17:55:55,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:55:55,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:55:55,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:55:55,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:55:55,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:55:55,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec152b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55, skipping insertion in model container [2022-11-20 17:55:55,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:55:55,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:55:55,526 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_2c674245-155c-47e3-b990-8e5477f0c587/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c[1306,1319] [2022-11-20 17:55:55,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:55:55,562 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:55:55,587 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_2c674245-155c-47e3-b990-8e5477f0c587/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c[1306,1319] [2022-11-20 17:55:55,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:55:55,603 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:55:55,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55 WrapperNode [2022-11-20 17:55:55,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:55:55,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:55:55,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:55:55,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:55:55,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,642 INFO L138 Inliner]: procedures = 18, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 101 [2022-11-20 17:55:55,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:55:55,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:55:55,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:55:55,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:55:55,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,666 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:55:55,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:55:55,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:55:55,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:55:55,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:55" (1/1) ... [2022-11-20 17:55:55,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:55:55,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:55:55,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:55:55,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:55:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:55:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:55:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:55:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-20 17:55:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:55:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:55:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-20 17:55:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:55:55,829 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:55:55,831 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:55:56,049 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:55:56,078 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:55:56,079 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:55:56,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:56 BoogieIcfgContainer [2022-11-20 17:55:56,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:55:56,082 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:55:56,082 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:55:56,093 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:55:56,094 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:56" (1/1) ... [2022-11-20 17:55:56,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:55:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:55:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-11-20 17:55:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-20 17:55:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:55:56,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:55:56,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:55:56,272 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.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:159) 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) [2022-11-20 17:55:56,280 INFO L158 Benchmark]: Toolchain (without parser) took 1034.40ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 73.5MB in the beginning and 140.3MB in the end (delta: -66.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:55:56,280 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:55:56,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.39ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 73.3MB in the beginning and 142.2MB in the end (delta: -68.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-20 17:55:56,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.24ms. Allocated memory is still 174.1MB. Free memory was 142.2MB in the beginning and 140.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:55:56,282 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 174.1MB. Free memory was 140.9MB in the beginning and 139.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:55:56,283 INFO L158 Benchmark]: RCFGBuilder took 411.31ms. Allocated memory is still 174.1MB. Free memory was 139.3MB in the beginning and 126.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:55:56,283 INFO L158 Benchmark]: CodeCheck took 195.78ms. Allocated memory is still 174.1MB. Free memory was 126.7MB in the beginning and 140.3MB in the end (delta: -13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:55:56,286 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 0.26ms. Allocated memory is still 138.4MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.39ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 73.3MB in the beginning and 142.2MB in the end (delta: -68.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.24ms. Allocated memory is still 174.1MB. Free memory was 142.2MB in the beginning and 140.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 174.1MB. Free memory was 140.9MB in the beginning and 139.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.31ms. Allocated memory is still 174.1MB. Free memory was 139.3MB in the beginning and 126.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 195.78ms. Allocated memory is still 174.1MB. Free memory was 126.7MB in the beginning and 140.3MB in the end (delta: -13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:55:56,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/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_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 198a885d453136e0f485e10bae010eb2ed68236b2d57919bf162df9bdad27ee6 --- 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-6b4ec56 [2022-11-20 17:55:58,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:55:58,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:55:58,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:55:58,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:55:58,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:55:58,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:55:58,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:55:58,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:55:58,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:55:58,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:55:58,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:55:58,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:55:58,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:55:58,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:55:58,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:55:58,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:55:58,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:55:58,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:55:58,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:55:58,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:55:58,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:55:58,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:55:58,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:55:58,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:55:58,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:55:58,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:55:58,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:55:58,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:55:58,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:55:58,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:55:58,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:55:58,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:55:58,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:55:58,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:55:58,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:55:58,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:55:58,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:55:58,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:55:58,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:55:58,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:55:58,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:55:58,943 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:55:58,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:55:58,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:55:58,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:55:58,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:55:58,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:55:58,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:55:58,947 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:55:58,947 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:55:58,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:55:58,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:55:58,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:55:58,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:55:58,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:55:58,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:55:58,949 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:55:58,949 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:55:58,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:55:58,950 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:55:58,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:55:58,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:55:58,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:55:58,950 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:55:58,950 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:55:58,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:55:58,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:55:58,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:55:58,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:55:58,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:55:58,952 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:55:58,952 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:55:58,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:55:58,952 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:55:58,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:55:58,953 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_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 198a885d453136e0f485e10bae010eb2ed68236b2d57919bf162df9bdad27ee6 [2022-11-20 17:55:59,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:55:59,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:55:59,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:55:59,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:55:59,378 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:55:59,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2022-11-20 17:56:02,721 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:56:02,918 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:56:02,918 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c [2022-11-20 17:56:02,929 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/data/14bf5a780/508d23daaade4476ba038504fe0d23e2/FLAG2f7c370fd [2022-11-20 17:56:02,958 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/data/14bf5a780/508d23daaade4476ba038504fe0d23e2 [2022-11-20 17:56:02,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:56:02,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:56:02,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:56:02,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:56:02,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:56:02,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:02" (1/1) ... [2022-11-20 17:56:02,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24449ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:02, skipping insertion in model container [2022-11-20 17:56:02,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:02" (1/1) ... [2022-11-20 17:56:02,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:56:02,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:56:03,234 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_2c674245-155c-47e3-b990-8e5477f0c587/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c[1306,1319] [2022-11-20 17:56:03,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:03,262 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:56:03,301 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_2c674245-155c-47e3-b990-8e5477f0c587/sv-benchmarks/c/float-benchs/interpolation.c.p+cfa-reducer.c[1306,1319] [2022-11-20 17:56:03,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:03,327 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:56:03,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03 WrapperNode [2022-11-20 17:56:03,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:56:03,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:56:03,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:56:03,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:56:03,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,373 INFO L138 Inliner]: procedures = 19, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 102 [2022-11-20 17:56:03,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:56:03,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:56:03,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:56:03,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:56:03,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,408 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:56:03,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:56:03,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:56:03,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:56:03,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:03" (1/1) ... [2022-11-20 17:56:03,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:56:03,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:56:03,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:56:03,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:56:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:56:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-20 17:56:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:56:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:56:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-20 17:56:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:56:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:56:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:56:03,605 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:56:03,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:56:14,351 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:56:14,395 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:56:14,396 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:56:14,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:14 BoogieIcfgContainer [2022-11-20 17:56:14,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:56:14,400 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:56:14,400 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:56:14,410 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:56:14,411 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:14" (1/1) ... [2022-11-20 17:56:14,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:56:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:14,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-11-20 17:56:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-20 17:56:14,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:56:14,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:14,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:14,540 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) [2022-11-20 17:56:14,545 INFO L158 Benchmark]: Toolchain (without parser) took 11582.02ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 32.7MB in the beginning and 44.8MB in the end (delta: -12.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-11-20 17:56:14,545 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 42.3MB in the beginning and 42.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:56:14,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.44ms. Allocated memory is still 65.0MB. Free memory was 32.5MB in the beginning and 39.0MB in the end (delta: -6.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-11-20 17:56:14,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.95ms. Allocated memory is still 65.0MB. Free memory was 38.8MB in the beginning and 37.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:56:14,547 INFO L158 Benchmark]: Boogie Preprocessor took 37.27ms. Allocated memory is still 65.0MB. Free memory was 37.0MB in the beginning and 35.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:56:14,548 INFO L158 Benchmark]: RCFGBuilder took 10986.46ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 35.5MB in the beginning and 51.2MB in the end (delta: -15.7MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-11-20 17:56:14,549 INFO L158 Benchmark]: CodeCheck took 143.31ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 44.8MB in the end (delta: 6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:56:14,563 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 0.22ms. Allocated memory is still 65.0MB. Free memory was 42.3MB in the beginning and 42.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.44ms. Allocated memory is still 65.0MB. Free memory was 32.5MB in the beginning and 39.0MB in the end (delta: -6.5MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.95ms. Allocated memory is still 65.0MB. Free memory was 38.8MB in the beginning and 37.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.27ms. Allocated memory is still 65.0MB. Free memory was 37.0MB in the beginning and 35.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10986.46ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 35.5MB in the beginning and 51.2MB in the end (delta: -15.7MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * CodeCheck took 143.31ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 44.8MB in the end (delta: 6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:56:14,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c674245-155c-47e3-b990-8e5477f0c587/bin/ukojak-pZX7IvK2PQ/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