./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4 --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 a4b21fc033f5ea5cebc3419535848f3ce92b08a7177da8a580c018ae56dea99e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:22:03,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:22:03,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:22:03,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:22:03,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:22:03,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:22:03,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:22:03,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:22:03,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:22:03,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:22:03,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:22:03,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:22:03,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:22:03,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:22:03,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:22:03,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:22:03,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:22:03,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:22:03,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:22:03,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:22:03,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:22:03,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:22:03,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:22:03,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:22:03,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:22:03,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:22:03,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:22:03,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:22:03,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:22:03,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:22:03,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:22:03,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:22:03,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:22:03,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:22:03,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:22:03,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:22:03,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:22:03,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:22:03,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:22:03,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:22:03,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:22:03,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 16:22:03,066 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:22:03,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:22:03,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:22:03,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:22:03,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:22:03,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:22:03,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:22:03,068 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:22:03,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:22:03,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:22:03,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:22:03,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:22:03,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:22:03,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:22:03,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:22:03,069 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:22:03,069 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:22:03,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:22:03,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:22:03,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:22:03,069 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:22:03,070 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:22:03,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:22:03,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:22:03,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:22:03,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:22:03,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:22:03,070 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:22:03,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:22:03,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:22:03,071 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_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4b21fc033f5ea5cebc3419535848f3ce92b08a7177da8a580c018ae56dea99e [2022-12-14 16:22:03,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:22:03,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:22:03,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:22:03,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:22:03,266 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:22:03,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2022-12-14 16:22:05,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:22:05,971 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:22:05,971 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2022-12-14 16:22:05,975 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/data/7d435a709/6e4c975391d34311b587c52bdc3f6af8/FLAGfc184ae8c [2022-12-14 16:22:06,384 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/data/7d435a709/6e4c975391d34311b587c52bdc3f6af8 [2022-12-14 16:22:06,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:22:06,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:22:06,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:22:06,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:22:06,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:22:06,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3208d098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06, skipping insertion in model container [2022-12-14 16:22:06,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:22:06,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:22:06,529 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_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c[1463,1476] [2022-12-14 16:22:06,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:22:06,540 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:22:06,557 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_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c[1463,1476] [2022-12-14 16:22:06,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:22:06,570 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:22:06,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06 WrapperNode [2022-12-14 16:22:06,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:22:06,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:22:06,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:22:06,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:22:06,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,599 INFO L138 Inliner]: procedures = 18, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 150 [2022-12-14 16:22:06,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:22:06,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:22:06,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:22:06,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:22:06,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,616 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:22:06,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:22:06,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:22:06,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:22:06,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:22:06,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:22:06,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:22:06,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:22:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:22:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:22:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:22:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-14 16:22:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:22:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:22:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-12-14 16:22:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:22:06,731 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:22:06,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:22:06,867 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:22:06,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:22:06,885 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 16:22:06,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:22:06 BoogieIcfgContainer [2022-12-14 16:22:06,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:22:06,888 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:22:06,888 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:22:06,896 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:22:06,896 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:22:06" (1/1) ... [2022-12-14 16:22:06,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:22:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2022-12-14 16:22:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2022-12-14 16:22:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:22:06,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:06,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:06,975 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) [2022-12-14 16:22:06,978 INFO L158 Benchmark]: Toolchain (without parser) took 587.35ms. Allocated memory is still 136.3MB. Free memory was 101.6MB in the beginning and 66.4MB in the end (delta: 35.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-14 16:22:06,978 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 113.2MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:22:06,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.82ms. Allocated memory is still 136.3MB. Free memory was 101.2MB in the beginning and 90.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:22:06,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.70ms. Allocated memory is still 136.3MB. Free memory was 90.4MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:22:06,980 INFO L158 Benchmark]: Boogie Preprocessor took 18.96ms. Allocated memory is still 136.3MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:22:06,980 INFO L158 Benchmark]: RCFGBuilder took 268.11ms. Allocated memory is still 136.3MB. Free memory was 86.6MB in the beginning and 72.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 16:22:06,982 INFO L158 Benchmark]: CodeCheck took 89.07ms. Allocated memory is still 136.3MB. Free memory was 72.4MB in the beginning and 66.4MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 16:22:06,985 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 0.10ms. Allocated memory is still 113.2MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.82ms. Allocated memory is still 136.3MB. Free memory was 101.2MB in the beginning and 90.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.70ms. Allocated memory is still 136.3MB. Free memory was 90.4MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.96ms. Allocated memory is still 136.3MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 268.11ms. Allocated memory is still 136.3MB. Free memory was 86.6MB in the beginning and 72.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 89.07ms. Allocated memory is still 136.3MB. Free memory was 72.4MB in the beginning and 66.4MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 16:22:06,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4 --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 a4b21fc033f5ea5cebc3419535848f3ce92b08a7177da8a580c018ae56dea99e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:22:08,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:22:08,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:22:08,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:22:08,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:22:08,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:22:08,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:22:08,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:22:08,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:22:08,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:22:08,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:22:08,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:22:08,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:22:08,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:22:08,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:22:08,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:22:08,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:22:08,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:22:08,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:22:08,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:22:08,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:22:08,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:22:08,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:22:08,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:22:08,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:22:08,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:22:08,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:22:08,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:22:08,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:22:08,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:22:08,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:22:08,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:22:08,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:22:08,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:22:08,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:22:08,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:22:08,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:22:08,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:22:08,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:22:08,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:22:08,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:22:08,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 16:22:08,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:22:08,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:22:08,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:22:08,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:22:08,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:22:08,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:22:08,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:22:08,653 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:22:08,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:22:08,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:22:08,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:22:08,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:22:08,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:22:08,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:22:08,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 16:22:08,654 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 16:22:08,654 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:22:08,654 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 16:22:08,655 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:22:08,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:22:08,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:22:08,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:22:08,655 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:22:08,655 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:22:08,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:22:08,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:22:08,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:22:08,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:22:08,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:22:08,656 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 16:22:08,656 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 16:22:08,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:22:08,656 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 16:22:08,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 16:22:08,657 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_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4b21fc033f5ea5cebc3419535848f3ce92b08a7177da8a580c018ae56dea99e [2022-12-14 16:22:08,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:22:08,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:22:08,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:22:08,878 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:22:08,878 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:22:08,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2022-12-14 16:22:11,500 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:22:11,620 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:22:11,620 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2022-12-14 16:22:11,625 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/data/59eeb519c/ff1e1aaeaa764b9db42c21bc7e3cff79/FLAG978c58822 [2022-12-14 16:22:11,636 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/data/59eeb519c/ff1e1aaeaa764b9db42c21bc7e3cff79 [2022-12-14 16:22:11,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:22:11,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:22:11,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:22:11,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:22:11,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:22:11,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d95b401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11, skipping insertion in model container [2022-12-14 16:22:11,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:22:11,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:22:11,780 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_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c[1463,1476] [2022-12-14 16:22:11,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:22:11,794 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:22:11,811 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_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c[1463,1476] [2022-12-14 16:22:11,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:22:11,825 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:22:11,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11 WrapperNode [2022-12-14 16:22:11,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:22:11,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:22:11,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:22:11,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:22:11,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,855 INFO L138 Inliner]: procedures = 19, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 151 [2022-12-14 16:22:11,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:22:11,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:22:11,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:22:11,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:22:11,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:22:11,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:22:11,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:22:11,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:22:11,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:11" (1/1) ... [2022-12-14 16:22:11,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:22:11,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:22:11,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:22:11,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:22:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:22:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-12-14 16:22:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 16:22:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:22:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-12-14 16:22:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:22:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:22:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:22:12,007 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:22:12,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:22:12,995 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:22:13,028 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:22:13,028 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 16:22:13,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:22:13 BoogieIcfgContainer [2022-12-14 16:22:13,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:22:13,031 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:22:13,031 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:22:13,038 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:22:13,038 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:22:13" (1/1) ... [2022-12-14 16:22:13,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:22:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2022-12-14 16:22:13,080 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2022-12-14 16:22:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:22:13,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:13,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:13,112 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 16:22:13,115 INFO L158 Benchmark]: Toolchain (without parser) took 1476.08ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 29.6MB in the beginning and 47.3MB in the end (delta: -17.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-12-14 16:22:13,116 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:22:13,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.26ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 29.3MB in the beginning and 62.3MB in the end (delta: -32.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-12-14 16:22:13,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.92ms. Allocated memory is still 86.0MB. Free memory was 62.3MB in the beginning and 60.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:22:13,117 INFO L158 Benchmark]: Boogie Preprocessor took 22.69ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 58.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:22:13,117 INFO L158 Benchmark]: RCFGBuilder took 1151.55ms. Allocated memory is still 86.0MB. Free memory was 58.4MB in the beginning and 53.4MB in the end (delta: 5.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-12-14 16:22:13,117 INFO L158 Benchmark]: CodeCheck took 83.52ms. Allocated memory is still 86.0MB. Free memory was 53.4MB in the beginning and 47.3MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 16:22:13,119 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 0.11ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.26ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 29.3MB in the beginning and 62.3MB in the end (delta: -32.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.92ms. Allocated memory is still 86.0MB. Free memory was 62.3MB in the beginning and 60.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.69ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 58.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1151.55ms. Allocated memory is still 86.0MB. Free memory was 58.4MB in the beginning and 53.4MB in the end (delta: 5.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * CodeCheck took 83.52ms. Allocated memory is still 86.0MB. Free memory was 53.4MB in the beginning and 47.3MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 16:22:13,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e088660-8f2b-4ea7-9ee4-2d611fc0a712/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared