./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/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_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/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_ed098fbc-48de-46c7-8d60-b33d382c88a6/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 a8b1eb5a7109aada0c5a8e0cf18025c738de8d1a2cd1a38b7a389d7c7a6495a7 --- 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 23:50:11,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:50:11,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:50:11,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:50:11,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:50:11,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:50:11,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:50:11,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:50:11,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:50:11,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:50:11,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:50:11,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:50:11,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:50:11,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:50:11,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:50:11,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:50:11,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:50:11,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:50:11,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:50:11,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:50:11,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:50:11,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:50:11,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:50:11,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:50:11,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:50:11,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:50:11,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:50:11,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:50:11,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:50:11,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:50:11,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:50:11,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:50:11,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:50:11,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:50:11,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:50:11,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:50:11,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:50:11,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:50:11,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:50:11,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:50:11,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:50:11,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:50:11,642 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:50:11,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:50:11,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:50:11,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:50:11,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:50:11,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:50:11,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:50:11,660 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:50:11,660 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:50:11,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:50:11,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:50:11,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:50:11,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:50:11,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:50:11,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:50:11,662 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:50:11,662 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:50:11,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:50:11,662 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:50:11,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:50:11,663 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:50:11,663 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:50:11,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:50:11,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:50:11,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:50:11,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:50:11,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:50:11,665 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:50:11,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:50:11,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:50:11,665 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_ed098fbc-48de-46c7-8d60-b33d382c88a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8b1eb5a7109aada0c5a8e0cf18025c738de8d1a2cd1a38b7a389d7c7a6495a7 [2022-11-21 23:50:11,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:50:12,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:50:12,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:50:12,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:50:12,037 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:50:12,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2022-11-21 23:50:15,235 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:50:15,529 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:50:15,530 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2022-11-21 23:50:15,538 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/data/6874ef4d3/71aeb264571742c7ab145ec1ad59bde6/FLAGfcd4795bf [2022-11-21 23:50:15,557 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/data/6874ef4d3/71aeb264571742c7ab145ec1ad59bde6 [2022-11-21 23:50:15,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:50:15,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:50:15,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:50:15,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:50:15,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:50:15,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b5cea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15, skipping insertion in model container [2022-11-21 23:50:15,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:50:15,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:50:15,779 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_ed098fbc-48de-46c7-8d60-b33d382c88a6/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c[1314,1327] [2022-11-21 23:50:15,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:50:15,802 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:50:15,823 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_ed098fbc-48de-46c7-8d60-b33d382c88a6/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c[1314,1327] [2022-11-21 23:50:15,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:50:15,841 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:50:15,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15 WrapperNode [2022-11-21 23:50:15,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:50:15,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:50:15,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:50:15,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:50:15,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,889 INFO L138 Inliner]: procedures = 18, calls = 37, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 110 [2022-11-21 23:50:15,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:50:15,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:50:15,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:50:15,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:50:15,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,939 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:50:15,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:50:15,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:50:15,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:50:15,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:15" (1/1) ... [2022-11-21 23:50:15,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:50:15,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:50:15,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:50:16,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:50:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:50:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:50:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:50:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-21 23:50:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:50:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:50:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-21 23:50:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:50:16,142 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:50:16,145 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:50:16,372 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:50:16,395 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:50:16,396 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:50:16,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:16 BoogieIcfgContainer [2022-11-21 23:50:16,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:50:16,400 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:50:16,400 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:50:16,413 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:50:16,413 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:16" (1/1) ... [2022-11-21 23:50:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:50:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:16,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2022-11-21 23:50:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2022-11-21 23:50:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:50:16,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:16,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:16,549 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 23:50:16,555 INFO L158 Benchmark]: Toolchain (without parser) took 989.67ms. Allocated memory is still 180.4MB. Free memory was 146.9MB in the beginning and 113.4MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-21 23:50:16,556 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 180.4MB. Free memory was 150.0MB in the beginning and 149.8MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:50:16,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.16ms. Allocated memory is still 180.4MB. Free memory was 146.9MB in the beginning and 136.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:50:16,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.23ms. Allocated memory is still 180.4MB. Free memory was 136.2MB in the beginning and 134.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:16,560 INFO L158 Benchmark]: Boogie Preprocessor took 55.67ms. Allocated memory is still 180.4MB. Free memory was 134.4MB in the beginning and 132.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:16,561 INFO L158 Benchmark]: RCFGBuilder took 448.72ms. Allocated memory is still 180.4MB. Free memory was 132.9MB in the beginning and 119.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:50:16,562 INFO L158 Benchmark]: CodeCheck took 152.96ms. Allocated memory is still 180.4MB. Free memory was 119.8MB in the beginning and 113.4MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:50:16,572 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 0.30ms. Allocated memory is still 180.4MB. Free memory was 150.0MB in the beginning and 149.8MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.16ms. Allocated memory is still 180.4MB. Free memory was 146.9MB in the beginning and 136.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.23ms. Allocated memory is still 180.4MB. Free memory was 136.2MB in the beginning and 134.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.67ms. Allocated memory is still 180.4MB. Free memory was 134.4MB in the beginning and 132.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.72ms. Allocated memory is still 180.4MB. Free memory was 132.9MB in the beginning and 119.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 152.96ms. Allocated memory is still 180.4MB. Free memory was 119.8MB in the beginning and 113.4MB 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 23:50:16,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/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_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/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_ed098fbc-48de-46c7-8d60-b33d382c88a6/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 a8b1eb5a7109aada0c5a8e0cf18025c738de8d1a2cd1a38b7a389d7c7a6495a7 --- 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 23:50:19,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:50:19,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:50:19,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:50:19,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:50:19,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:50:19,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:50:19,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:50:19,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:50:19,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:50:19,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:50:19,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:50:19,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:50:19,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:50:19,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:50:19,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:50:19,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:50:19,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:50:19,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:50:19,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:50:19,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:50:19,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:50:19,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:50:19,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:50:19,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:50:19,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:50:19,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:50:19,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:50:19,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:50:19,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:50:19,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:50:19,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:50:19,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:50:19,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:50:19,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:50:19,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:50:19,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:50:19,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:50:19,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:50:19,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:50:19,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:50:19,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:50:19,523 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:50:19,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:50:19,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:50:19,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:50:19,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:50:19,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:50:19,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:50:19,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:50:19,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:50:19,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:50:19,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:50:19,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:50:19,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:50:19,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:50:19,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:50:19,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:50:19,527 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:50:19,528 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:50:19,528 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:50:19,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:50:19,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:50:19,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:50:19,529 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:50:19,529 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:50:19,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:50:19,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:50:19,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:50:19,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:50:19,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:50:19,530 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:50:19,530 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:50:19,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:50:19,531 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:50:19,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:50:19,531 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_ed098fbc-48de-46c7-8d60-b33d382c88a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8b1eb5a7109aada0c5a8e0cf18025c738de8d1a2cd1a38b7a389d7c7a6495a7 [2022-11-21 23:50:19,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:50:20,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:50:20,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:50:20,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:50:20,021 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:50:20,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2022-11-21 23:50:23,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:50:23,442 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:50:23,443 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c [2022-11-21 23:50:23,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/data/197c75606/62b7c2865aac49e4a9b7e2d33ca29206/FLAG2b6d48d91 [2022-11-21 23:50:23,470 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/data/197c75606/62b7c2865aac49e4a9b7e2d33ca29206 [2022-11-21 23:50:23,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:50:23,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:50:23,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:50:23,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:50:23,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:50:23,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:23,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220cac02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23, skipping insertion in model container [2022-11-21 23:50:23,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:23,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:50:23,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:50:23,770 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_ed098fbc-48de-46c7-8d60-b33d382c88a6/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c[1314,1327] [2022-11-21 23:50:23,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:50:23,810 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:50:23,860 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_ed098fbc-48de-46c7-8d60-b33d382c88a6/sv-benchmarks/c/float-benchs/interpolation.c.v+cfa-reducer.c[1314,1327] [2022-11-21 23:50:23,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:50:23,911 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:50:23,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23 WrapperNode [2022-11-21 23:50:23,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:50:23,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:50:23,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:50:23,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:50:23,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:23,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:23,987 INFO L138 Inliner]: procedures = 19, calls = 37, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 111 [2022-11-21 23:50:23,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:50:23,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:50:23,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:50:23,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:50:24,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:24,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:24,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:24,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:24,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:24,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:24,047 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:24,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:24,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:50:24,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:50:24,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:50:24,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:50:24,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23" (1/1) ... [2022-11-21 23:50:24,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:50:24,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:50:24,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:50:24,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:50:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:50:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-21 23:50:24,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:50:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:50:24,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-21 23:50:24,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:50:24,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:50:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:50:24,319 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:50:24,322 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:50:29,284 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:50:29,366 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:50:29,366 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:50:29,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:29 BoogieIcfgContainer [2022-11-21 23:50:29,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:50:29,372 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:50:29,372 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:50:29,384 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:50:29,384 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:29" (1/1) ... [2022-11-21 23:50:29,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:50:29,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:50:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2022-11-21 23:50:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2022-11-21 23:50:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:50:29,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:50:29,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:50:29,502 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 23:50:29,507 INFO L158 Benchmark]: Toolchain (without parser) took 6031.10ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 36.3MB in the beginning and 68.0MB in the end (delta: -31.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2022-11-21 23:50:29,507 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:50:29,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.66ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 36.1MB in the beginning and 70.8MB in the end (delta: -34.7MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-21 23:50:29,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.28ms. Allocated memory is still 90.2MB. Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:50:29,509 INFO L158 Benchmark]: Boogie Preprocessor took 64.12ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 67.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:50:29,510 INFO L158 Benchmark]: RCFGBuilder took 5317.07ms. Allocated memory is still 90.2MB. Free memory was 67.4MB in the beginning and 48.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 23:50:29,510 INFO L158 Benchmark]: CodeCheck took 133.43ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 68.0MB in the end (delta: -19.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-21 23:50:29,514 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 0.38ms. Allocated memory is still 65.0MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.66ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 36.1MB in the beginning and 70.8MB in the end (delta: -34.7MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.28ms. Allocated memory is still 90.2MB. Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.12ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 67.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5317.07ms. Allocated memory is still 90.2MB. Free memory was 67.4MB in the beginning and 48.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 133.43ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 68.0MB in the end (delta: -19.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:50:29,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed098fbc-48de-46c7-8d60-b33d382c88a6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared