./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg --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 5c5b05c4ae88eb6dc9b39e487669b31df0ffdcd18c2998e1a9c5cebc84002587 --- 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-b5237d8 [2022-11-21 23:27:26,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:27:26,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:27:26,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:27:26,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:27:26,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:27:26,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:27:26,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:27:26,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:27:26,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:27:26,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:27:26,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:27:26,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:27:26,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:27:26,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:27:26,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:27:26,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:27:26,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:27:26,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:27:26,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:27:26,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:27:26,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:27:26,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:27:26,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:27:26,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:27:26,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:27:26,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:27:26,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:27:26,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:27:26,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:27:26,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:27:26,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:27:26,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:27:26,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:27:26,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:27:26,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:27:26,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:27:26,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:27:26,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:27:26,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:27:26,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:27:26,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:27:26,126 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:27:26,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:27:26,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:27:26,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:27:26,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:27:26,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:27:26,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:27:26,130 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:27:26,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:27:26,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:27:26,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:27:26,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:27:26,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:27:26,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:27:26,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:27:26,133 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:27:26,133 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:27:26,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:27:26,134 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:27:26,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:27:26,134 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:27:26,135 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:27:26,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:27:26,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:27:26,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:27:26,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:27:26,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:27:26,136 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:27:26,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:27:26,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:27:26,138 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_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c5b05c4ae88eb6dc9b39e487669b31df0ffdcd18c2998e1a9c5cebc84002587 [2022-11-21 23:27:26,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:27:26,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:27:26,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:27:26,467 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:27:26,468 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:27:26,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c [2022-11-21 23:27:29,622 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:27:29,830 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:27:29,832 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c [2022-11-21 23:27:29,839 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/data/2caaf0456/3465182afa97400dafab5f3944a0dbe6/FLAG20b3e780f [2022-11-21 23:27:29,856 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/data/2caaf0456/3465182afa97400dafab5f3944a0dbe6 [2022-11-21 23:27:29,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:27:29,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:27:29,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:27:29,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:27:29,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:27:29,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:29" (1/1) ... [2022-11-21 23:27:29,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a28d770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:29, skipping insertion in model container [2022-11-21 23:27:29,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:29" (1/1) ... [2022-11-21 23:27:29,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:27:29,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:27:30,117 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_390156db-4cc8-42a6-b5a6-6e00ea74e721/sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c[1455,1468] [2022-11-21 23:27:30,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:27:30,135 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:27:30,182 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_390156db-4cc8-42a6-b5a6-6e00ea74e721/sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c[1455,1468] [2022-11-21 23:27:30,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:27:30,207 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:27:30,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30 WrapperNode [2022-11-21 23:27:30,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:27:30,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:27:30,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:27:30,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:27:30,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,274 INFO L138 Inliner]: procedures = 18, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 133 [2022-11-21 23:27:30,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:27:30,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:27:30,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:27:30,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:27:30,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:27:30,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:27:30,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:27:30,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:27:30,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:27:30,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:27:30,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:27:30,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:27:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:27:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:27:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:27:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-21 23:27:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:27:30,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:27:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-21 23:27:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:27:30,525 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:27:30,527 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:27:30,805 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:27:30,847 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:27:30,847 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:27:30,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:27:30 BoogieIcfgContainer [2022-11-21 23:27:30,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:27:30,850 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:27:30,851 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:27:30,886 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:27:30,886 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:27:30" (1/1) ... [2022-11-21 23:27:30,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:27:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:27:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-11-21 23:27:30,983 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-21 23:27:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:27:30,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:27:30,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:27:31,025 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) [2022-11-21 23:27:31,029 INFO L158 Benchmark]: Toolchain (without parser) took 1166.84ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 96.2MB in the beginning and 143.3MB in the end (delta: -47.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:27:31,030 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:27:31,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.41ms. Allocated memory is still 140.5MB. Free memory was 96.2MB in the beginning and 84.8MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:27:31,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.46ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 83.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:27:31,031 INFO L158 Benchmark]: Boogie Preprocessor took 47.51ms. Allocated memory is still 140.5MB. Free memory was 83.1MB in the beginning and 81.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:27:31,032 INFO L158 Benchmark]: RCFGBuilder took 525.47ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 81.5MB in the beginning and 149.6MB in the end (delta: -68.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-11-21 23:27:31,033 INFO L158 Benchmark]: CodeCheck took 177.05ms. Allocated memory is still 180.4MB. Free memory was 149.6MB in the beginning and 143.3MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:27:31,036 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 0.27ms. Allocated memory is still 140.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.41ms. Allocated memory is still 140.5MB. Free memory was 96.2MB in the beginning and 84.8MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.46ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 83.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.51ms. Allocated memory is still 140.5MB. Free memory was 83.1MB in the beginning and 81.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 525.47ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 81.5MB in the beginning and 149.6MB in the end (delta: -68.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * CodeCheck took 177.05ms. Allocated memory is still 180.4MB. Free memory was 149.6MB in the beginning and 143.3MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:27:31,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg --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 5c5b05c4ae88eb6dc9b39e487669b31df0ffdcd18c2998e1a9c5cebc84002587 --- 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-b5237d8 [2022-11-21 23:27:33,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:27:33,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:27:33,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:27:33,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:27:33,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:27:33,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:27:33,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:27:33,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:27:33,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:27:33,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:27:33,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:27:33,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:27:33,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:27:33,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:27:33,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:27:33,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:27:33,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:27:33,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:27:33,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:27:33,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:27:33,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:27:33,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:27:33,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:27:33,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:27:33,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:27:33,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:27:33,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:27:33,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:27:33,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:27:33,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:27:33,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:27:33,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:27:33,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:27:33,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:27:33,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:27:33,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:27:33,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:27:33,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:27:33,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:27:33,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:27:33,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:27:33,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:27:33,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:27:33,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:27:33,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:27:33,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:27:33,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:27:33,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:27:33,673 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:27:33,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:27:33,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:27:33,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:27:33,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:27:33,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:27:33,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:27:33,675 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:27:33,675 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:27:33,675 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:27:33,675 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:27:33,675 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:27:33,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:27:33,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:27:33,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:27:33,676 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:27:33,676 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:27:33,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:27:33,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:27:33,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:27:33,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:27:33,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:27:33,678 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:27:33,678 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:27:33,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:27:33,678 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:27:33,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:27:33,678 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_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c5b05c4ae88eb6dc9b39e487669b31df0ffdcd18c2998e1a9c5cebc84002587 [2022-11-21 23:27:34,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:27:34,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:27:34,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:27:34,120 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:27:34,121 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:27:34,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c [2022-11-21 23:27:37,311 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:27:37,552 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:27:37,553 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c [2022-11-21 23:27:37,559 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/data/6b4a80132/791d04bed2d64539b34edb3df9283955/FLAG08788ae2f [2022-11-21 23:27:37,579 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/data/6b4a80132/791d04bed2d64539b34edb3df9283955 [2022-11-21 23:27:37,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:27:37,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:27:37,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:27:37,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:27:37,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:27:37,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:37,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5932670c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37, skipping insertion in model container [2022-11-21 23:27:37,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:37,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:27:37,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:27:37,827 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_390156db-4cc8-42a6-b5a6-6e00ea74e721/sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c[1455,1468] [2022-11-21 23:27:37,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:27:37,855 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:27:37,911 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_390156db-4cc8-42a6-b5a6-6e00ea74e721/sv-benchmarks/c/float-benchs/interpolation2.c.p+cfa-reducer.c[1455,1468] [2022-11-21 23:27:37,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:27:37,935 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:27:37,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37 WrapperNode [2022-11-21 23:27:37,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:27:37,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:27:37,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:27:37,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:27:37,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:37,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:38,004 INFO L138 Inliner]: procedures = 19, calls = 55, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 134 [2022-11-21 23:27:38,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:27:38,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:27:38,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:27:38,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:27:38,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:38,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:38,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:38,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:38,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:38,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:38,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:38,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:38,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:27:38,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:27:38,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:27:38,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:27:38,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:37" (1/1) ... [2022-11-21 23:27:38,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:27:38,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:27:38,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:27:38,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:27:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:27:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-21 23:27:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:27:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:27:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-21 23:27:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:27:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:27:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:27:38,325 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:27:38,327 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:27:49,109 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:27:49,170 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:27:49,170 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:27:49,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:27:49 BoogieIcfgContainer [2022-11-21 23:27:49,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:27:49,174 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:27:49,174 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:27:49,183 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:27:49,184 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:27:49" (1/1) ... [2022-11-21 23:27:49,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:27:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:27:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-11-21 23:27:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-21 23:27:49,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:27:49,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:27:49,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:27:49,312 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) [2022-11-21 23:27:49,316 INFO L158 Benchmark]: Toolchain (without parser) took 11731.64ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 57.5MB in the end (delta: 4.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-11-21 23:27:49,316 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 53.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:27:49,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.45ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 49.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:27:49,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.28ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:27:49,318 INFO L158 Benchmark]: Boogie Preprocessor took 59.06ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:27:49,319 INFO L158 Benchmark]: RCFGBuilder took 11107.02ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 39.0MB in the end (delta: 6.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-21 23:27:49,319 INFO L158 Benchmark]: CodeCheck took 140.40ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 57.5MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:27:49,322 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 0.32ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 53.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.45ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 49.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.28ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.06ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11107.02ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 39.0MB in the end (delta: 6.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * CodeCheck took 140.40ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 57.5MB in the end (delta: -18.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:27:49,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_390156db-4cc8-42a6-b5a6-6e00ea74e721/bin/ukojak-jW3SillKbg/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