./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:24:40,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:24:40,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:24:40,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:24:40,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:24:40,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:24:40,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:24:40,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:24:40,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:24:40,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:24:40,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:24:40,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:24:40,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:24:40,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:24:40,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:24:40,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:24:40,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:24:40,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:24:40,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:24:40,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:24:40,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:24:40,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:24:40,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:24:40,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:24:40,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:24:40,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:24:40,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:24:40,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:24:40,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:24:40,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:24:40,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:24:40,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:24:40,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:24:40,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:24:40,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:24:40,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:24:40,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:24:40,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:24:40,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:24:40,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:24:40,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:24:40,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:24:40,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:24:40,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:24:40,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:24:40,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:24:40,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:24:40,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:24:40,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:24:40,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:24:40,561 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:24:40,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:24:40,562 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:24:40,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:24:40,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:24:40,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:24:40,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:24:40,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:24:40,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:24:40,563 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:24:40,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:24:40,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:24:40,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:24:40,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:24:40,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:24:40,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:24:40,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:24:40,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:24:40,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:24:40,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:24:40,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:24:40,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:24:40,565 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:24:40,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:24:40,565 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:24:40,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:24:40,565 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:24:40,566 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 [2022-12-13 14:24:40,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:24:40,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:24:40,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:24:40,772 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:24:40,777 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:24:40,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2022-12-13 14:24:43,380 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:24:43,541 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:24:43,542 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2022-12-13 14:24:43,549 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/data/ab700dc49/6149c4017ec847618458254b7c8e0435/FLAG3311af79c [2022-12-13 14:24:43,564 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/data/ab700dc49/6149c4017ec847618458254b7c8e0435 [2022-12-13 14:24:43,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:24:43,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:24:43,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:24:43,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:24:43,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:24:43,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f4927c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43, skipping insertion in model container [2022-12-13 14:24:43,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:24:43,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:24:43,732 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_6485821e-a998-49cb-94da-d58984fa8895/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2022-12-13 14:24:43,737 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_6485821e-a998-49cb-94da-d58984fa8895/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2022-12-13 14:24:43,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:24:43,786 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:24:43,799 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_6485821e-a998-49cb-94da-d58984fa8895/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2022-12-13 14:24:43,800 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_6485821e-a998-49cb-94da-d58984fa8895/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2022-12-13 14:24:43,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:24:43,840 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:24:43,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43 WrapperNode [2022-12-13 14:24:43,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:24:43,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:24:43,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:24:43,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:24:43,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,892 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 187 [2022-12-13 14:24:43,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:24:43,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:24:43,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:24:43,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:24:43,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,924 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:24:43,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:24:43,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:24:43,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:24:43,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (1/1) ... [2022-12-13 14:24:43,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:24:43,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:24:43,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:24:43,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:24:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:24:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-12-13 14:24:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-12-13 14:24:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:24:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:24:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:24:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 14:24:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 14:24:44,053 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:24:44,054 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:24:44,354 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:24:44,359 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:24:44,359 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 14:24:44,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:24:44 BoogieIcfgContainer [2022-12-13 14:24:44,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:24:44,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:24:44,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:24:44,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:24:44,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:24:43" (1/3) ... [2022-12-13 14:24:44,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b551fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:24:44, skipping insertion in model container [2022-12-13 14:24:44,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:43" (2/3) ... [2022-12-13 14:24:44,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b551fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:24:44, skipping insertion in model container [2022-12-13 14:24:44,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:24:44" (3/3) ... [2022-12-13 14:24:44,367 INFO L112 eAbstractionObserver]: Analyzing ICFG square_2+soft_float_3a.c.cil.c [2022-12-13 14:24:44,381 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:24:44,381 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 14:24:44,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:24:44,422 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=PETRI_NET, 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;@19c35461, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:24:44,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 14:24:44,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 73 states have (on average 1.6027397260273972) internal successors, (117), 76 states have internal predecessors, (117), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 14:24:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 14:24:44,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:24:44,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:24:44,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:24:44,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:24:44,436 INFO L85 PathProgramCache]: Analyzing trace with hash -929888677, now seen corresponding path program 1 times [2022-12-13 14:24:44,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:24:44,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499820100] [2022-12-13 14:24:44,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:24:44,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:24:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:24:44,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:24:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:24:44,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:24:44,547 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:24:44,549 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-13 14:24:44,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-12-13 14:24:44,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:24:44,556 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 14:24:44,560 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:24:44,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:24:44 BoogieIcfgContainer [2022-12-13 14:24:44,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:24:44,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:24:44,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:24:44,578 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:24:44,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:24:44" (3/4) ... [2022-12-13 14:24:44,582 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:24:44,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:24:44,583 INFO L158 Benchmark]: Toolchain (without parser) took 1015.15ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 76.3MB in the beginning and 91.3MB in the end (delta: -15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 14:24:44,584 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory was 90.9MB in the beginning and 90.9MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:24:44,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.92ms. Allocated memory is still 125.8MB. Free memory was 76.0MB in the beginning and 61.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 14:24:44,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.06ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 61.9MB in the beginning and 128.3MB in the end (delta: -66.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-12-13 14:24:44,586 INFO L158 Benchmark]: Boogie Preprocessor took 35.13ms. Allocated memory is still 157.3MB. Free memory was 128.3MB in the beginning and 126.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:24:44,586 INFO L158 Benchmark]: RCFGBuilder took 432.04ms. Allocated memory is still 157.3MB. Free memory was 126.4MB in the beginning and 106.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 14:24:44,587 INFO L158 Benchmark]: TraceAbstraction took 214.45ms. Allocated memory is still 157.3MB. Free memory was 105.5MB in the beginning and 91.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:24:44,588 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 157.3MB. Free memory was 91.9MB in the beginning and 91.3MB in the end (delta: 541.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:24:44,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory was 90.9MB in the beginning and 90.9MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.92ms. Allocated memory is still 125.8MB. Free memory was 76.0MB in the beginning and 61.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.06ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 61.9MB in the beginning and 128.3MB in the end (delta: -66.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.13ms. Allocated memory is still 157.3MB. Free memory was 128.3MB in the beginning and 126.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.04ms. Allocated memory is still 157.3MB. Free memory was 126.4MB in the beginning and 106.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 214.45ms. Allocated memory is still 157.3MB. Free memory was 105.5MB in the beginning and 91.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 157.3MB. Free memory was 91.9MB in the beginning and 91.3MB in the end (delta: 541.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 48]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=53, x=53] [L47] COND TRUE !(result >= 0.0f && result < 1.398f) VAL [IN=53, x=53] [L48] reach_error() VAL [IN=53, x=53] - UnprovableResult [Line: 60]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=83occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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 [2022-12-13 14:24:44,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:24:46,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:24:46,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:24:46,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:24:46,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:24:46,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:24:46,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:24:46,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:24:46,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:24:46,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:24:46,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:24:46,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:24:46,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:24:46,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:24:46,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:24:46,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:24:46,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:24:46,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:24:46,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:24:46,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:24:46,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:24:46,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:24:46,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:24:46,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:24:46,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:24:46,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:24:46,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:24:46,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:24:46,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:24:46,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:24:46,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:24:46,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:24:46,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:24:46,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:24:46,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:24:46,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:24:46,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:24:46,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:24:46,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:24:46,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:24:46,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:24:46,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 14:24:46,271 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:24:46,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:24:46,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:24:46,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:24:46,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:24:46,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:24:46,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:24:46,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:24:46,274 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:24:46,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:24:46,275 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:24:46,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:24:46,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:24:46,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:24:46,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:24:46,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:24:46,276 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 14:24:46,276 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 14:24:46,276 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 14:24:46,276 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:24:46,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:24:46,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:24:46,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:24:46,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:24:46,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:24:46,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:24:46,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:24:46,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:24:46,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:24:46,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:24:46,289 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 14:24:46,289 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 14:24:46,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:24:46,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:24:46,290 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:24:46,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:24:46,290 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 14:24:46,290 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:24:46,290 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 [2022-12-13 14:24:46,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:24:46,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:24:46,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:24:46,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:24:46,562 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:24:46,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2022-12-13 14:24:49,181 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:24:49,343 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:24:49,343 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2022-12-13 14:24:49,353 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/data/9317a4fda/2507c746b7924250a4843e1bec45c2bc/FLAG22dbab997 [2022-12-13 14:24:49,364 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/data/9317a4fda/2507c746b7924250a4843e1bec45c2bc [2022-12-13 14:24:49,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:24:49,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:24:49,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:24:49,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:24:49,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:24:49,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62744a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49, skipping insertion in model container [2022-12-13 14:24:49,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:24:49,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:24:49,554 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_6485821e-a998-49cb-94da-d58984fa8895/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2022-12-13 14:24:49,559 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_6485821e-a998-49cb-94da-d58984fa8895/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2022-12-13 14:24:49,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:24:49,599 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:24:49,613 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_6485821e-a998-49cb-94da-d58984fa8895/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2022-12-13 14:24:49,614 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_6485821e-a998-49cb-94da-d58984fa8895/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2022-12-13 14:24:49,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:24:49,653 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:24:49,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49 WrapperNode [2022-12-13 14:24:49,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:24:49,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:24:49,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:24:49,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:24:49,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,696 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 129 [2022-12-13 14:24:49,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:24:49,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:24:49,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:24:49,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:24:49,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:24:49,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:24:49,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:24:49,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:24:49,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (1/1) ... [2022-12-13 14:24:49,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:24:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:24:49,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:24:49,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:24:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:24:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 14:24:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-12-13 14:24:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-12-13 14:24:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:24:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:24:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 14:24:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 14:24:49,854 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:24:49,855 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:24:52,257 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:24:52,261 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:24:52,261 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 14:24:52,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:24:52 BoogieIcfgContainer [2022-12-13 14:24:52,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:24:52,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:24:52,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:24:52,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:24:52,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:24:49" (1/3) ... [2022-12-13 14:24:52,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab53b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:24:52, skipping insertion in model container [2022-12-13 14:24:52,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:24:49" (2/3) ... [2022-12-13 14:24:52,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab53b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:24:52, skipping insertion in model container [2022-12-13 14:24:52,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:24:52" (3/3) ... [2022-12-13 14:24:52,269 INFO L112 eAbstractionObserver]: Analyzing ICFG square_2+soft_float_3a.c.cil.c [2022-12-13 14:24:52,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:24:52,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 14:24:52,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:24:52,318 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=PETRI_NET, 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;@6c342e52, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:24:52,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 14:24:52,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 50 states have (on average 1.56) internal successors, (78), 53 states have internal predecessors, (78), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 14:24:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 14:24:52,326 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:24:52,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:24:52,326 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:24:52,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:24:52,330 INFO L85 PathProgramCache]: Analyzing trace with hash -548115930, now seen corresponding path program 1 times [2022-12-13 14:24:52,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:24:52,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044389403] [2022-12-13 14:24:52,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:24:52,342 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 [2022-12-13 14:24:52,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:24:52,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 14:24:52,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:24:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:24:52,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 14:24:52,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:24:52,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:24:52,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:24:52,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 14:24:52,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2044389403] [2022-12-13 14:24:52,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2044389403] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:24:52,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:24:52,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:24:52,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295595447] [2022-12-13 14:24:52,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:24:52,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:24:52,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 14:24:52,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:24:52,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:24:52,872 INFO L87 Difference]: Start difference. First operand has 60 states, 50 states have (on average 1.56) internal successors, (78), 53 states have internal predecessors, (78), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-13 14:24:52,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:24:52,896 INFO L93 Difference]: Finished difference Result 115 states and 173 transitions. [2022-12-13 14:24:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:24:52,897 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) Word has length 7 [2022-12-13 14:24:52,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:24:52,903 INFO L225 Difference]: With dead ends: 115 [2022-12-13 14:24:52,903 INFO L226 Difference]: Without dead ends: 51 [2022-12-13 14:24:52,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:24:52,907 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:24:52,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:24:52,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-13 14:24:52,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-13 14:24:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 44 states have internal predecessors, (61), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 14:24:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 70 transitions. [2022-12-13 14:24:52,950 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 70 transitions. Word has length 7 [2022-12-13 14:24:52,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:24:52,950 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 70 transitions. [2022-12-13 14:24:52,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-13 14:24:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-13 14:24:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 14:24:52,950 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:24:52,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:24:52,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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 0 [2022-12-13 14:24:53,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:24:53,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:24:53,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:24:53,154 INFO L85 PathProgramCache]: Analyzing trace with hash -548056348, now seen corresponding path program 1 times [2022-12-13 14:24:53,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:24:53,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051449319] [2022-12-13 14:24:53,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:24:53,157 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 [2022-12-13 14:24:53,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:24:53,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 14:24:53,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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 (3)] Waiting until timeout for monitored process [2022-12-13 14:25:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:25:22,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:25:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:25:51,644 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 14:25:51,644 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:25:51,645 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-13 14:25:51,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-12-13 14:25:51,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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 (3)] Forceful destruction successful, exit code 0 [2022-12-13 14:25:51,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:25:51,858 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 14:25:51,868 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:25:51,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:25:51 BoogieIcfgContainer [2022-12-13 14:25:51,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:25:51,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:25:51,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:25:51,900 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:25:51,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:24:52" (3/4) ... [2022-12-13 14:25:51,903 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 14:25:51,936 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:25:51,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:25:51,937 INFO L158 Benchmark]: Toolchain (without parser) took 62568.80ms. Allocated memory is still 90.2MB. Free memory was 49.7MB in the beginning and 57.9MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:25:51,937 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:25:51,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.77ms. Allocated memory is still 90.2MB. Free memory was 49.4MB in the beginning and 58.9MB in the end (delta: -9.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:25:51,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.66ms. Allocated memory is still 90.2MB. Free memory was 58.9MB in the beginning and 57.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:25:51,938 INFO L158 Benchmark]: Boogie Preprocessor took 36.16ms. Allocated memory is still 90.2MB. Free memory was 57.1MB in the beginning and 55.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:25:51,938 INFO L158 Benchmark]: RCFGBuilder took 2529.41ms. Allocated memory is still 90.2MB. Free memory was 55.1MB in the beginning and 65.1MB in the end (delta: -10.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-12-13 14:25:51,939 INFO L158 Benchmark]: TraceAbstraction took 59633.91ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 59.7MB in the end (delta: 4.5MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2022-12-13 14:25:51,939 INFO L158 Benchmark]: Witness Printer took 36.84ms. Allocated memory is still 90.2MB. Free memory was 59.7MB in the beginning and 57.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:25:51,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.77ms. Allocated memory is still 90.2MB. Free memory was 49.4MB in the beginning and 58.9MB in the end (delta: -9.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.66ms. Allocated memory is still 90.2MB. Free memory was 58.9MB in the beginning and 57.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.16ms. Allocated memory is still 90.2MB. Free memory was 57.1MB in the beginning and 55.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2529.41ms. Allocated memory is still 90.2MB. Free memory was 55.1MB in the beginning and 65.1MB in the end (delta: -10.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 59633.91ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 59.7MB in the end (delta: 4.5MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 36.84ms. Allocated memory is still 90.2MB. Free memory was 59.7MB in the beginning and 57.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 - CounterExampleResult [Line: 48]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0.9999997615814209, result=1.3984375, x=0.9999997615814209] [L47] COND TRUE !(result >= 0.0f && result < 1.398f) VAL [IN=0.9999997615814209, result=1.3984375, x=0.9999997615814209] [L48] reach_error() VAL [IN=0.9999997615814209, result=1.3984375, x=0.9999997615814209] - UnprovableResult [Line: 60]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 60 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 59.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 81 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 29.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 proved your program to be incorrect! [2022-12-13 14:25:51,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6485821e-a998-49cb-94da-d58984fa8895/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE