./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- 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-4e7fbc6 [2022-11-23 14:35:39,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:35:39,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:35:39,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:35:39,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:35:39,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:35:39,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:35:39,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:35:39,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:35:39,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:35:39,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:35:39,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:35:39,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:35:39,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:35:39,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:35:39,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:35:39,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:35:39,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:35:39,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:35:39,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:35:39,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:35:39,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:35:39,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:35:39,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:35:39,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:35:39,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:35:39,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:35:39,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:35:39,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:35:39,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:35:39,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:35:39,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:35:39,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:35:39,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:35:39,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:35:39,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:35:39,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:35:39,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:35:39,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:35:39,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:35:39,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:35:39,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:35:39,958 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:35:39,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:35:39,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:35:39,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:35:39,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:35:39,959 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:35:39,960 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:35:39,960 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:35:39,960 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:35:39,960 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:35:39,960 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:35:39,960 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:35:39,961 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:35:39,961 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:35:39,961 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:35:39,961 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:35:39,961 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:35:39,962 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:35:39,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:35:39,962 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:35:39,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:35:39,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:35:39,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:35:39,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:35:39,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:35:39,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:35:39,964 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:35:39,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:35:39,964 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:35:39,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:35:39,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:35:39,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:35:39,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:35:39,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:35:39,965 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:35:39,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:35:39,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:35:39,966 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:35:39,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:35:39,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:35:39,966 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:35:39,966 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_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2022-11-23 14:35:40,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:35:40,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:35:40,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:35:40,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:35:40,314 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:35:40,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-11-23 14:35:43,266 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:35:43,538 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:35:43,539 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-11-23 14:35:43,545 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/data/d72621538/2438886cbe67471dab542d6a1c7fce9b/FLAG1079dfa68 [2022-11-23 14:35:43,561 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/data/d72621538/2438886cbe67471dab542d6a1c7fce9b [2022-11-23 14:35:43,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:35:43,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:35:43,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:35:43,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:35:43,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:35:43,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b35c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43, skipping insertion in model container [2022-11-23 14:35:43,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:35:43,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:35:43,803 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_7955d85c-4752-4bea-9d87-9c73a64c5121/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2022-11-23 14:35:43,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:35:43,840 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:35:43,849 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_7955d85c-4752-4bea-9d87-9c73a64c5121/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2022-11-23 14:35:43,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:35:43,870 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:35:43,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43 WrapperNode [2022-11-23 14:35:43,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:35:43,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:35:43,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:35:43,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:35:43,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,907 INFO L138 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2022-11-23 14:35:43,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:35:43,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:35:43,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:35:43,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:35:43,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,929 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:35:43,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:35:43,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:35:43,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:35:43,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (1/1) ... [2022-11-23 14:35:43,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:35:43,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:35:43,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:35:43,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:35:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:35:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:35:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:35:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-23 14:35:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:35:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-23 14:35:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:35:44,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:35:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:35:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:35:44,122 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:35:44,124 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:35:44,404 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:35:44,432 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:35:44,432 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:35:44,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:44 BoogieIcfgContainer [2022-11-23 14:35:44,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:35:44,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:35:44,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:35:44,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:35:44,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:35:43" (1/3) ... [2022-11-23 14:35:44,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e6ab03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:35:44, skipping insertion in model container [2022-11-23 14:35:44,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:43" (2/3) ... [2022-11-23 14:35:44,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e6ab03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:35:44, skipping insertion in model container [2022-11-23 14:35:44,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:44" (3/3) ... [2022-11-23 14:35:44,445 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2022-11-23 14:35:44,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:35:44,465 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:35:44,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:35:44,520 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@ee2cd1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:35:44,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:35:44,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:35:44,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 14:35:44,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:35:44,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 14:35:44,533 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:35:44,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:35:44,538 INFO L85 PathProgramCache]: Analyzing trace with hash 2125426307, now seen corresponding path program 1 times [2022-11-23 14:35:44,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:35:44,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664888814] [2022-11-23 14:35:44,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:44,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:35:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:35:44,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:35:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:35:44,835 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 14:35:44,837 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:35:44,839 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:35:44,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:35:44,846 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 14:35:44,850 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:35:44,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:35:44 BoogieIcfgContainer [2022-11-23 14:35:44,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:35:44,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:35:44,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:35:44,877 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:35:44,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:44" (3/4) ... [2022-11-23 14:35:44,882 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 14:35:44,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:35:44,883 INFO L158 Benchmark]: Toolchain (without parser) took 1315.49ms. Allocated memory is still 186.6MB. Free memory was 157.7MB in the beginning and 118.9MB in the end (delta: 38.8MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-11-23 14:35:44,884 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:35:44,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.84ms. Allocated memory is still 186.6MB. Free memory was 157.7MB in the beginning and 153.6MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 14:35:44,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.10ms. Allocated memory is still 186.6MB. Free memory was 153.6MB in the beginning and 152.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:35:44,885 INFO L158 Benchmark]: Boogie Preprocessor took 22.72ms. Allocated memory is still 186.6MB. Free memory was 152.5MB in the beginning and 151.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:35:44,886 INFO L158 Benchmark]: RCFGBuilder took 503.11ms. Allocated memory is still 186.6MB. Free memory was 151.4MB in the beginning and 136.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:35:44,887 INFO L158 Benchmark]: TraceAbstraction took 438.62ms. Allocated memory is still 186.6MB. Free memory was 135.7MB in the beginning and 118.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 14:35:44,887 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 186.6MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:35:44,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.84ms. Allocated memory is still 186.6MB. Free memory was 157.7MB in the beginning and 153.6MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.10ms. Allocated memory is still 186.6MB. Free memory was 153.6MB in the beginning and 152.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.72ms. Allocated memory is still 186.6MB. Free memory was 152.5MB in the beginning and 151.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.11ms. Allocated memory is still 186.6MB. Free memory was 151.4MB in the beginning and 136.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 438.62ms. Allocated memory is still 186.6MB. Free memory was 135.7MB in the beginning and 118.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 186.6MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 21, overapproximation of bitwiseAnd at line 13. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) VAL [\read(d)=0, d={6:0}, dmax={5:0}, f={7:0}, unknown-#in~d-unknown=3758096399] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) VAL [\read(d)=3758096399, \read(dmax)=3758096397, d={6:0}, dmax={5:0}, f={7:0}, unknown-#in~d-unknown=3758096399] [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) VAL [\read(d)=3758096399, \read(dmax)=3758096397, d={6:0}, dmax={5:0}, f={7:0}, unknown-#in~d-unknown=3758096399] [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) VAL [cond=0, unknown-#in~cond-unknown=0] [L5] reach_error() VAL [cond=0, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 14:35:44,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- 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-4e7fbc6 [2022-11-23 14:35:47,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:35:47,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:35:47,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:35:47,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:35:47,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:35:47,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:35:47,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:35:47,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:35:47,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:35:47,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:35:47,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:35:47,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:35:47,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:35:47,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:35:47,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:35:47,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:35:47,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:35:47,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:35:47,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:35:47,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:35:47,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:35:47,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:35:47,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:35:47,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:35:47,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:35:47,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:35:47,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:35:47,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:35:47,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:35:47,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:35:47,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:35:47,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:35:47,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:35:47,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:35:47,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:35:47,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:35:47,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:35:47,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:35:47,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:35:47,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:35:47,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-23 14:35:47,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:35:47,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:35:47,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:35:47,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:35:47,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:35:47,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:35:47,505 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:35:47,505 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:35:47,505 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:35:47,505 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:35:47,506 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:35:47,506 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:35:47,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:35:47,507 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:35:47,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:35:47,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:35:47,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:35:47,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:35:47,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:35:47,508 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:35:47,509 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:35:47,509 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:35:47,509 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:35:47,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:35:47,509 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:35:47,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:35:47,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:35:47,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:35:47,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:35:47,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:35:47,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:35:47,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:35:47,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:35:47,511 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:35:47,511 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:35:47,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:35:47,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:35:47,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:35:47,512 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_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2022-11-23 14:35:47,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:35:47,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:35:47,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:35:47,915 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:35:47,916 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:35:47,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-11-23 14:35:51,131 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:35:51,419 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:35:51,419 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2022-11-23 14:35:51,434 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/data/2c7971c0c/dcb97e435bd846c3bfff37c5d8ce00fc/FLAGded6f9567 [2022-11-23 14:35:51,454 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/data/2c7971c0c/dcb97e435bd846c3bfff37c5d8ce00fc [2022-11-23 14:35:51,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:35:51,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:35:51,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:35:51,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:35:51,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:35:51,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416a2443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51, skipping insertion in model container [2022-11-23 14:35:51,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:35:51,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:35:51,629 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_7955d85c-4752-4bea-9d87-9c73a64c5121/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2022-11-23 14:35:51,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:35:51,668 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:35:51,682 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_7955d85c-4752-4bea-9d87-9c73a64c5121/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2022-11-23 14:35:51,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:35:51,728 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:35:51,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51 WrapperNode [2022-11-23 14:35:51,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:35:51,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:35:51,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:35:51,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:35:51,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,794 INFO L138 Inliner]: procedures = 22, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-11-23 14:35:51,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:35:51,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:35:51,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:35:51,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:35:51,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,851 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:35:51,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:35:51,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:35:51,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:35:51,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (1/1) ... [2022-11-23 14:35:51,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:35:51,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:35:51,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:35:51,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:35:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:35:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-23 14:35:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-23 14:35:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 14:35:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:35:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-23 14:35:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 14:35:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:35:51,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:35:51,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-23 14:35:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 14:35:51,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:35:52,077 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:35:52,079 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:35:52,435 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:35:52,441 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:35:52,441 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:35:52,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:52 BoogieIcfgContainer [2022-11-23 14:35:52,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:35:52,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:35:52,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:35:52,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:35:52,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:35:51" (1/3) ... [2022-11-23 14:35:52,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388a71e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:35:52, skipping insertion in model container [2022-11-23 14:35:52,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:51" (2/3) ... [2022-11-23 14:35:52,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388a71e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:35:52, skipping insertion in model container [2022-11-23 14:35:52,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:52" (3/3) ... [2022-11-23 14:35:52,452 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2022-11-23 14:35:52,471 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:35:52,471 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:35:52,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:35:52,545 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@74e92e73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:35:52,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:35:52,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:35:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:35:52,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:35:52,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:35:52,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:35:52,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:35:52,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2022-11-23 14:35:52,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:35:52,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32373314] [2022-11-23 14:35:52,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:52,586 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:35:52,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:35:52,595 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:35:52,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 14:35:52,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 139 [2022-11-23 14:35:52,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:35:52,905 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 37 more [2022-11-23 14:35:52,910 INFO L158 Benchmark]: Toolchain (without parser) took 1449.66ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 52.8MB in the beginning and 57.1MB in the end (delta: -4.3MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-11-23 14:35:52,910 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:35:52,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.31ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 41.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 14:35:52,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.41ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 39.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:35:52,912 INFO L158 Benchmark]: Boogie Preprocessor took 68.86ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 38.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:35:52,913 INFO L158 Benchmark]: RCFGBuilder took 577.64ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 38.1MB in the beginning and 69.7MB in the end (delta: -31.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-11-23 14:35:52,914 INFO L158 Benchmark]: TraceAbstraction took 462.95ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 57.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 14:35:52,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.31ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 41.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.41ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 39.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.86ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 38.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.64ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 38.1MB in the beginning and 69.7MB in the end (delta: -31.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * TraceAbstraction took 462.95ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 57.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-23 14:35:52,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7955d85c-4752-4bea-9d87-9c73a64c5121/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2) with exit command (exit)) Received EOF on stdin. No stderr output.