./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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_1956f782-ea60-490c-b11a-d658eba77d63/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 eacc9d6782fe15df62304d6f37a239dbaeef8100e947201f1fc1e382f89b5777 --- 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 19:29:54,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:29:54,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:29:54,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:29:54,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:29:54,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:29:54,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:29:54,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:29:54,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:29:54,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:29:54,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:29:54,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:29:54,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:29:54,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:29:54,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:29:54,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:29:54,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:29:54,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:29:54,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:29:54,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:29:54,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:29:54,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:29:54,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:29:54,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:29:54,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:29:54,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:29:54,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:29:54,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:29:54,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:29:54,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:29:54,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:29:54,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:29:54,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:29:54,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:29:54,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:29:54,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:29:54,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:29:54,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:29:54,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:29:54,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:29:54,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:29:54,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 19:29:54,123 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:29:54,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:29:54,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:29:54,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:29:54,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:29:54,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:29:54,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:29:54,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:29:54,126 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:29:54,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:29:54,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:29:54,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:29:54,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:29:54,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:29:54,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:29:54,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:29:54,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:29:54,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:29:54,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:29:54,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:29:54,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:29:54,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:29:54,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:29:54,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:29:54,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:29:54,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:29:54,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:29:54,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:29:54,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:29:54,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:29:54,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:29:54,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:29:54,130 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:29:54,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:29:54,131 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:29:54,131 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_1956f782-ea60-490c-b11a-d658eba77d63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eacc9d6782fe15df62304d6f37a239dbaeef8100e947201f1fc1e382f89b5777 [2022-12-13 19:29:54,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:29:54,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:29:54,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:29:54,340 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:29:54,340 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:29:54,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-newlib/float_req_bl_0832b.c [2022-12-13 19:29:56,904 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:29:57,062 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:29:57,062 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/sv-benchmarks/c/float-newlib/float_req_bl_0832b.c [2022-12-13 19:29:57,067 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/data/0be9b5746/d30b97c9b83843c9a877f496fd5d161b/FLAG14c514583 [2022-12-13 19:29:57,463 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/data/0be9b5746/d30b97c9b83843c9a877f496fd5d161b [2022-12-13 19:29:57,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:29:57,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:29:57,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:29:57,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:29:57,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:29:57,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5a171a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57, skipping insertion in model container [2022-12-13 19:29:57,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:29:57,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:29:57,643 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_1956f782-ea60-490c-b11a-d658eba77d63/sv-benchmarks/c/float-newlib/float_req_bl_0832b.c[3181,3194] [2022-12-13 19:29:57,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:29:57,658 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:29:57,685 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_1956f782-ea60-490c-b11a-d658eba77d63/sv-benchmarks/c/float-newlib/float_req_bl_0832b.c[3181,3194] [2022-12-13 19:29:57,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:29:57,700 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:29:57,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57 WrapperNode [2022-12-13 19:29:57,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:29:57,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:29:57,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:29:57,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:29:57,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,737 INFO L138 Inliner]: procedures = 18, calls = 42, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 157 [2022-12-13 19:29:57,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:29:57,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:29:57,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:29:57,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:29:57,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,763 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:29:57,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:29:57,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:29:57,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:29:57,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (1/1) ... [2022-12-13 19:29:57,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:29:57,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:29:57,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:29:57,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:29:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:29:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:29:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:29:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:29:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-12-13 19:29:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-12-13 19:29:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:29:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:29:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:29:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-12-13 19:29:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:29:57,902 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:29:57,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:29:58,051 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:29:58,057 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:29:58,057 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-12-13 19:29:58,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:29:58 BoogieIcfgContainer [2022-12-13 19:29:58,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:29:58,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:29:58,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:29:58,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:29:58,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:29:57" (1/3) ... [2022-12-13 19:29:58,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1194f0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:29:58, skipping insertion in model container [2022-12-13 19:29:58,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:29:57" (2/3) ... [2022-12-13 19:29:58,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1194f0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:29:58, skipping insertion in model container [2022-12-13 19:29:58,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:29:58" (3/3) ... [2022-12-13 19:29:58,068 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832b.c [2022-12-13 19:29:58,084 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:29:58,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:29:58,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:29:58,124 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;@6121adea, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:29:58,125 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 19:29:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.6875) internal successors, (54), 33 states have internal predecessors, (54), 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 19:29:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 19:29:58,132 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:58,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:29:58,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:29:58,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:58,136 INFO L85 PathProgramCache]: Analyzing trace with hash 354239179, now seen corresponding path program 1 times [2022-12-13 19:29:58,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:58,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133165000] [2022-12-13 19:29:58,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:58,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:58,262 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 19:29:58,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:29:58,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133165000] [2022-12-13 19:29:58,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133165000] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:29:58,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:29:58,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:29:58,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642347918] [2022-12-13 19:29:58,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:29:58,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:29:58,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:29:58,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:29:58,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:29:58,297 INFO L87 Difference]: Start difference. First operand has 34 states, 32 states have (on average 1.6875) internal successors, (54), 33 states have internal predecessors, (54), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 19:29:58,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:58,316 INFO L93 Difference]: Finished difference Result 66 states and 106 transitions. [2022-12-13 19:29:58,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:29:58,318 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-12-13 19:29:58,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:58,325 INFO L225 Difference]: With dead ends: 66 [2022-12-13 19:29:58,326 INFO L226 Difference]: Without dead ends: 31 [2022-12-13 19:29:58,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 19:29:58,332 INFO L413 NwaCegarLoop]: 43 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, 43 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 19:29:58,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:29:58,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-13 19:29:58,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-12-13 19:29:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 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 19:29:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2022-12-13 19:29:58,363 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 8 [2022-12-13 19:29:58,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:58,363 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2022-12-13 19:29:58,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 19:29:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-12-13 19:29:58,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 19:29:58,364 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:29:58,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:29:58,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:29:58,365 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:29:58,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:29:58,366 INFO L85 PathProgramCache]: Analyzing trace with hash 324993486, now seen corresponding path program 1 times [2022-12-13 19:29:58,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:29:58,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003122142] [2022-12-13 19:29:58,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:29:58,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:29:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:29:58,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:29:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:29:58,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:29:58,450 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:29:58,451 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 19:29:58,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:29:58,456 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 19:29:58,465 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:29:58,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:29:58 BoogieIcfgContainer [2022-12-13 19:29:58,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:29:58,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:29:58,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:29:58,483 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:29:58,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:29:58" (3/4) ... [2022-12-13 19:29:58,486 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:29:58,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:29:58,486 INFO L158 Benchmark]: Toolchain (without parser) took 1020.04ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 110.7MB in the end (delta: -1.1MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-12-13 19:29:58,487 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 112.2MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:29:58,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.53ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 97.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:29:58,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.51ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:29:58,488 INFO L158 Benchmark]: Boogie Preprocessor took 29.74ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 93.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:29:58,488 INFO L158 Benchmark]: RCFGBuilder took 290.25ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 78.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:29:58,488 INFO L158 Benchmark]: TraceAbstraction took 421.12ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 111.1MB in the end (delta: -33.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-12-13 19:29:58,489 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 110.7MB in the end (delta: 325.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:29:58,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 112.2MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.53ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 97.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.51ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.74ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 93.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.25ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 78.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 421.12ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 111.1MB in the end (delta: -33.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 110.7MB in the end (delta: 325.2kB). There was no memory consumed. 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: 124]: 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 123, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of bitwiseAnd at line 48, overapproximation of someUnaryFLOAToperation at line 119, overapproximation of someBinaryArithmeticFLOAToperation at line 52. Possible FailurePath: [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L119] float x = -0.0f; [L120] CALL, EXPR __ieee754_expf(x) [L39] float y, hi, lo, c, t; [L40] __int32_t k = 0, xsb, sx; [L41] __uint32_t hx; VAL [\old(x)=1000000000000000000000000000001, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001] [L44] ieee_float_shape_type gf_u; [L45] gf_u.value = (x) [L46] EXPR gf_u.word [L46] (sx) = gf_u.word [L48] xsb = (sx >> 31) & 1 [L49] hx = sx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000001, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=2139095041, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001, xsb=0] [L51] COND TRUE ((hx) > 0x7f800000L) [L52] return x + x; VAL [\old(x)=1000000000000000000000000000001, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=2139095041, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001, xsb=0] [L120] RET, EXPR __ieee754_expf(x) [L120] float res = __ieee754_expf(x); [L123] COND TRUE res != 1.0f VAL [halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=1000000000000000000000000000002, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001] [L124] reach_error() VAL [halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=1000000000000000000000000000002, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 43 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, 43 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 could not prove your program: unable to determine feasibility of some traces [2022-12-13 19:29:58,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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_1956f782-ea60-490c-b11a-d658eba77d63/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 eacc9d6782fe15df62304d6f37a239dbaeef8100e947201f1fc1e382f89b5777 --- 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 19:30:00,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:30:00,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:30:00,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:30:00,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:30:00,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:30:00,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:30:00,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:30:00,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:30:00,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:30:00,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:30:00,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:30:00,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:30:00,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:30:00,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:30:00,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:30:00,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:30:00,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:30:00,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:30:00,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:30:00,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:30:00,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:30:00,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:30:00,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:30:00,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:30:00,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:30:00,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:30:00,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:30:00,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:30:00,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:30:00,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:30:00,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:30:00,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:30:00,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:30:00,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:30:00,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:30:00,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:30:00,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:30:00,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:30:00,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:30:00,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:30:00,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 19:30:00,364 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:30:00,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:30:00,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:30:00,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:30:00,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:30:00,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:30:00,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:30:00,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:30:00,366 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:30:00,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:30:00,366 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:30:00,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:30:00,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:30:00,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:30:00,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:30:00,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:30:00,366 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 19:30:00,366 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 19:30:00,366 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 19:30:00,367 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:30:00,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:30:00,367 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:30:00,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:30:00,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:30:00,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:30:00,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:30:00,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:30:00,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:30:00,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:30:00,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:30:00,368 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 19:30:00,368 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 19:30:00,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:30:00,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:30:00,368 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:30:00,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:30:00,368 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 19:30:00,368 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:30:00,368 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_1956f782-ea60-490c-b11a-d658eba77d63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eacc9d6782fe15df62304d6f37a239dbaeef8100e947201f1fc1e382f89b5777 [2022-12-13 19:30:00,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:30:00,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:30:00,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:30:00,628 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:30:00,628 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:30:00,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-newlib/float_req_bl_0832b.c [2022-12-13 19:30:03,253 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:30:03,434 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:30:03,435 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/sv-benchmarks/c/float-newlib/float_req_bl_0832b.c [2022-12-13 19:30:03,441 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/data/895b1a568/09729bd617ff4a3690314d7c58639e1f/FLAG4f0c45eea [2022-12-13 19:30:03,811 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/data/895b1a568/09729bd617ff4a3690314d7c58639e1f [2022-12-13 19:30:03,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:30:03,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:30:03,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:30:03,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:30:03,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:30:03,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:03,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433960d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03, skipping insertion in model container [2022-12-13 19:30:03,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:03,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:30:03,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:30:03,949 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_1956f782-ea60-490c-b11a-d658eba77d63/sv-benchmarks/c/float-newlib/float_req_bl_0832b.c[3181,3194] [2022-12-13 19:30:03,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:30:03,962 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:30:03,983 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_1956f782-ea60-490c-b11a-d658eba77d63/sv-benchmarks/c/float-newlib/float_req_bl_0832b.c[3181,3194] [2022-12-13 19:30:03,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:30:03,996 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:30:03,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03 WrapperNode [2022-12-13 19:30:03,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:30:03,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:30:03,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:30:03,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:30:04,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,024 INFO L138 Inliner]: procedures = 21, calls = 42, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2022-12-13 19:30:04,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:30:04,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:30:04,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:30:04,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:30:04,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:30:04,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:30:04,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:30:04,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:30:04,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (1/1) ... [2022-12-13 19:30:04,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:30:04,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:30:04,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:30:04,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:30:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:30:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-12-13 19:30:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 19:30:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:30:04,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-12-13 19:30:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 19:30:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:30:04,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:30:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-12-13 19:30:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 19:30:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:30:04,181 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:30:04,183 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:30:14,082 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:30:14,087 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:30:14,087 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-12-13 19:30:14,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:30:14 BoogieIcfgContainer [2022-12-13 19:30:14,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:30:14,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:30:14,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:30:14,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:30:14,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:30:03" (1/3) ... [2022-12-13 19:30:14,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d647fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:30:14, skipping insertion in model container [2022-12-13 19:30:14,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:03" (2/3) ... [2022-12-13 19:30:14,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d647fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:30:14, skipping insertion in model container [2022-12-13 19:30:14,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:30:14" (3/3) ... [2022-12-13 19:30:14,095 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832b.c [2022-12-13 19:30:14,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:30:14,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:30:14,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:30:14,148 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;@111d301b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:30:14,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 19:30:14,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.6875) internal successors, (54), 33 states have internal predecessors, (54), 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 19:30:14,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 19:30:14,155 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:30:14,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:30:14,156 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:30:14,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:14,160 INFO L85 PathProgramCache]: Analyzing trace with hash 354239179, now seen corresponding path program 1 times [2022-12-13 19:30:14,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:30:14,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329196550] [2022-12-13 19:30:14,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:14,169 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 19:30:14,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:30:14,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:14,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:30:14,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 19:30:14,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:30:14,643 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 19:30:14,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:30:14,644 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:30:14,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329196550] [2022-12-13 19:30:14,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329196550] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:30:14,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:30:14,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:30:14,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779894799] [2022-12-13 19:30:14,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:30:14,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:30:14,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:30:14,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:30:14,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:30:14,676 INFO L87 Difference]: Start difference. First operand has 34 states, 32 states have (on average 1.6875) internal successors, (54), 33 states have internal predecessors, (54), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 19:30:14,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:30:14,692 INFO L93 Difference]: Finished difference Result 66 states and 106 transitions. [2022-12-13 19:30:14,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:30:14,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-12-13 19:30:14,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:30:14,701 INFO L225 Difference]: With dead ends: 66 [2022-12-13 19:30:14,701 INFO L226 Difference]: Without dead ends: 31 [2022-12-13 19:30:14,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 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 19:30:14,707 INFO L413 NwaCegarLoop]: 43 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, 43 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 19:30:14,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:30:14,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-13 19:30:14,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-12-13 19:30:14,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 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 19:30:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2022-12-13 19:30:14,733 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 8 [2022-12-13 19:30:14,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:30:14,733 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2022-12-13 19:30:14,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 19:30:14,734 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-12-13 19:30:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 19:30:14,734 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:30:14,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:30:14,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:14,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:14,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:30:14,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:14,938 INFO L85 PathProgramCache]: Analyzing trace with hash 324993486, now seen corresponding path program 1 times [2022-12-13 19:30:14,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:30:14,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428449975] [2022-12-13 19:30:14,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:14,941 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 19:30:14,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:30:14,945 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:14,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:30:15,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 19:30:15,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:30:15,569 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 19:30:15,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:30:15,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:30:15,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428449975] [2022-12-13 19:30:15,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428449975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:30:15,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:30:15,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:30:15,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18838718] [2022-12-13 19:30:15,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:30:15,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:30:15,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:30:15,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:30:15,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:30:15,573 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 19:30:18,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 19:30:20,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 19:30:22,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 19:30:22,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:30:22,728 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2022-12-13 19:30:22,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:30:22,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2022-12-13 19:30:22,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:30:22,809 INFO L225 Difference]: With dead ends: 52 [2022-12-13 19:30:22,809 INFO L226 Difference]: Without dead ends: 33 [2022-12-13 19:30:22,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:30:22,810 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 37 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:30:22,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 73 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2022-12-13 19:30:22,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-13 19:30:22,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2022-12-13 19:30:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 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 19:30:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-12-13 19:30:22,814 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 9 [2022-12-13 19:30:22,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:30:22,815 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-12-13 19:30:22,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 19:30:22,815 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-12-13 19:30:22,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 19:30:22,815 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:30:22,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:30:22,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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)] Ended with exit code 0 [2022-12-13 19:30:23,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:23,021 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:30:23,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:23,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1911696712, now seen corresponding path program 1 times [2022-12-13 19:30:23,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:30:23,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597520326] [2022-12-13 19:30:23,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:23,025 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 19:30:23,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:30:23,029 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:23,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 (4)] Waiting until timeout for monitored process [2022-12-13 19:30:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:30:23,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 19:30:23,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:30:24,008 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 19:30:24,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:30:24,008 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:30:24,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597520326] [2022-12-13 19:30:24,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597520326] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:30:24,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:30:24,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:30:24,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841542629] [2022-12-13 19:30:24,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:30:24,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:30:24,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:30:24,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:30:24,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:30:24,011 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 19:30:26,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 19:30:28,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 19:30:30,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 19:30:32,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 19:30:35,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 19:30:37,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 19:30:39,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-13 19:30:39,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:30:39,607 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2022-12-13 19:30:39,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:30:39,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2022-12-13 19:30:39,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:30:39,617 INFO L225 Difference]: With dead ends: 33 [2022-12-13 19:30:39,617 INFO L226 Difference]: Without dead ends: 29 [2022-12-13 19:30:39,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:30:39,618 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:30:39,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 78 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 7 Unknown, 0 Unchecked, 15.5s Time] [2022-12-13 19:30:39,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-13 19:30:39,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-13 19:30:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 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 19:30:39,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2022-12-13 19:30:39,621 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 15 [2022-12-13 19:30:39,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:30:39,622 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-12-13 19:30:39,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 19:30:39,622 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-12-13 19:30:39,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 19:30:39,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:30:39,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:30:39,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 (4)] Ended with exit code 0 [2022-12-13 19:30:39,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:39,824 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:30:39,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:39,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1105522099, now seen corresponding path program 1 times [2022-12-13 19:30:39,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:30:39,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892315871] [2022-12-13 19:30:39,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:39,828 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 19:30:39,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:30:39,831 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:39,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 (5)] Waiting until timeout for monitored process [2022-12-13 19:30:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:30:40,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 19:30:40,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:30:41,465 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 19:30:41,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:30:41,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:30:41,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892315871] [2022-12-13 19:30:41,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892315871] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:30:41,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:30:41,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:30:41,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660519944] [2022-12-13 19:30:41,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:30:41,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:30:41,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:30:41,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:30:41,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:30:41,468 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 19:30:41,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:30:41,491 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2022-12-13 19:30:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:30:41,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2022-12-13 19:30:41,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:30:41,493 INFO L225 Difference]: With dead ends: 29 [2022-12-13 19:30:41,493 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 19:30:41,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:30:41,494 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:30:41,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:30:41,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 19:30:41,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 19:30:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 19:30:41,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:30:41,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-12-13 19:30:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:30:41,496 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:30:41,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 19:30:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:30:41,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 19:30:41,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 19:30:41,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 (5)] Ended with exit code 0 [2022-12-13 19:30:41,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 19:30:41,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 19:30:41,871 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 75) no Hoare annotation was computed. [2022-12-13 19:30:41,872 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 113 129) the Hoare annotation is: true [2022-12-13 19:30:41,872 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 70) no Hoare annotation was computed. [2022-12-13 19:30:41,872 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 19:30:41,872 INFO L899 garLoopResultBuilder]: For program point L61-2(lines 61 70) no Hoare annotation was computed. [2022-12-13 19:30:41,872 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 54) no Hoare annotation was computed. [2022-12-13 19:30:41,872 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2022-12-13 19:30:41,872 INFO L895 garLoopResultBuilder]: At program point L86-2(lines 86 90) the Hoare annotation is: false [2022-12-13 19:30:41,872 INFO L895 garLoopResultBuilder]: At program point __ieee754_expf_returnLabel#1(lines 38 111) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (.cse1 (fp.neg (_ +zero 8 24)))) (and (= ~one_exp~0 .cse0) (= |ULTIMATE.start___ieee754_expf_~x#1| .cse1) (= |ULTIMATE.start___ieee754_expf_#res#1| (fp.add currentRoundingMode .cse0 .cse1)) (= currentRoundingMode roundNearestTiesToEven))) [2022-12-13 19:30:41,872 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 19:30:41,873 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-12-13 19:30:41,873 INFO L895 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: false [2022-12-13 19:30:41,873 INFO L899 garLoopResultBuilder]: For program point L104-2(lines 104 108) no Hoare annotation was computed. [2022-12-13 19:30:41,873 INFO L899 garLoopResultBuilder]: For program point L55(lines 55 56) no Hoare annotation was computed. [2022-12-13 19:30:41,873 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 83) no Hoare annotation was computed. [2022-12-13 19:30:41,873 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2022-12-13 19:30:41,873 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 60 75) no Hoare annotation was computed. [2022-12-13 19:30:41,873 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2022-12-13 19:30:41,873 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 19:30:41,873 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 126) no Hoare annotation was computed. [2022-12-13 19:30:41,873 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 58) no Hoare annotation was computed. [2022-12-13 19:30:41,874 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2022-12-13 19:30:41,874 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2022-12-13 19:30:41,874 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2022-12-13 19:30:41,874 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 19:30:41,874 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-12-13 19:30:41,874 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 95) no Hoare annotation was computed. [2022-12-13 19:30:41,874 INFO L895 garLoopResultBuilder]: At program point L91-1(lines 91 95) the Hoare annotation is: false [2022-12-13 19:30:41,874 INFO L899 garLoopResultBuilder]: For program point L91-2(lines 91 95) no Hoare annotation was computed. [2022-12-13 19:30:41,874 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 110) no Hoare annotation was computed. [2022-12-13 19:30:41,874 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2022-12-13 19:30:41,874 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 43 47) no Hoare annotation was computed. [2022-12-13 19:30:41,874 INFO L895 garLoopResultBuilder]: At program point L43-2(lines 43 47) the Hoare annotation is: (and (= ~one_exp~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= ~huge_exp~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (= |ULTIMATE.start___ieee754_expf_~x#1| (fp.neg (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2022-12-13 19:30:41,875 INFO L899 garLoopResultBuilder]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2022-12-13 19:30:41,877 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 19:30:41,879 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:30:41,888 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 19:30:41,894 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 19:30:41,894 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 19:30:41,895 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 19:30:41,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:30:41 BoogieIcfgContainer [2022-12-13 19:30:41,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:30:41,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:30:41,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:30:41,896 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:30:41,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:30:14" (3/4) ... [2022-12-13 19:30:41,899 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:30:41,907 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-13 19:30:41,908 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 19:30:41,908 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:30:41,908 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:30:41,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((one_exp == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-12-13 19:30:41,938 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:30:41,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:30:41,939 INFO L158 Benchmark]: Toolchain (without parser) took 38125.30ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 40.6MB in the end (delta: 4.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-12-13 19:30:41,939 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 30.9MB in the beginning and 30.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:30:41,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.51ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 32.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 19:30:41,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.79ms. Allocated memory is still 67.1MB. Free memory was 32.1MB in the beginning and 47.5MB in the end (delta: -15.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-12-13 19:30:41,940 INFO L158 Benchmark]: Boogie Preprocessor took 28.79ms. Allocated memory is still 67.1MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:30:41,940 INFO L158 Benchmark]: RCFGBuilder took 10030.77ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 44.7MB in the end (delta: 745.8kB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-12-13 19:30:41,940 INFO L158 Benchmark]: TraceAbstraction took 27805.17ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 44.8MB in the end (delta: -726.0kB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-13 19:30:41,940 INFO L158 Benchmark]: Witness Printer took 42.51ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 40.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:30:41,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 30.9MB in the beginning and 30.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.51ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 32.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.79ms. Allocated memory is still 67.1MB. Free memory was 32.1MB in the beginning and 47.5MB in the end (delta: -15.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.79ms. Allocated memory is still 67.1MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10030.77ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 44.7MB in the end (delta: 745.8kB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 27805.17ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 44.8MB in the end (delta: -726.0kB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 42.51ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 40.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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 - PositiveResult [Line: 124]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 22.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 22.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 99 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 53 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 45 ConstructedInterpolants, 1 QuantifiedInterpolants, 487 SizeOfPredicates, 19 NumberOfNonLiveVariables, 291 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant [2022-12-13 19:30:41,947 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 19:30:41,947 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((one_exp == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && huge_exp == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 38]: Loop Invariant [2022-12-13 19:30:41,948 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-12-13 19:30:41,948 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((one_exp == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && \result == ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-13 19:30:42,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1956f782-ea60-490c-b11a-d658eba77d63/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 Result: TRUE