./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ --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 41132fbae907016ec5719feb94bacb8a0df8201935428a611dada6a5c8f6c43e --- 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-dbf71c6-m [2022-10-17 10:54:17,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:54:17,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:54:17,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:54:17,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:54:17,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:54:17,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:54:17,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:54:17,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:54:17,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:54:17,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:54:17,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:54:17,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:54:17,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:54:17,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:54:17,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:54:17,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:54:17,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:54:17,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:54:17,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:54:17,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:54:17,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:54:17,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:54:17,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:54:17,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:54:17,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:54:17,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:54:17,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:54:17,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:54:17,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:54:17,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:54:17,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:54:17,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:54:17,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:54:17,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:54:17,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:54:17,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:54:17,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:54:17,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:54:17,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:54:17,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:54:17,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:54:17,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:54:17,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:54:17,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:54:17,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:54:17,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:54:17,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:54:17,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:54:17,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:54:17,198 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:54:17,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:54:17,199 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:54:17,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:54:17,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:54:17,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:54:17,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:54:17,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:54:17,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:54:17,201 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:54:17,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:54:17,201 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:54:17,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:54:17,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:54:17,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:54:17,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:54:17,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:54:17,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:54:17,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:54:17,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:54:17,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:54:17,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:54:17,204 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:54:17,204 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:54:17,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:54:17,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41132fbae907016ec5719feb94bacb8a0df8201935428a611dada6a5c8f6c43e [2022-10-17 10:54:17,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:54:17,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:54:17,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:54:17,613 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:54:17,614 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:54:17,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2022-10-17 10:54:17,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/data/7b72c9da1/ed7f39418d8f42b8a6d4c536111ceeda/FLAG29230f792 [2022-10-17 10:54:18,254 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:54:18,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2022-10-17 10:54:18,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/data/7b72c9da1/ed7f39418d8f42b8a6d4c536111ceeda/FLAG29230f792 [2022-10-17 10:54:18,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/data/7b72c9da1/ed7f39418d8f42b8a6d4c536111ceeda [2022-10-17 10:54:18,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:54:18,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:54:18,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:54:18,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:54:18,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:54:18,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:54:18" (1/1) ... [2022-10-17 10:54:18,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6867bb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:18, skipping insertion in model container [2022-10-17 10:54:18,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:54:18" (1/1) ... [2022-10-17 10:54:18,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:54:18,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:54:18,925 WARN L230 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_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2022-10-17 10:54:18,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:54:18,939 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:54:19,002 WARN L230 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_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2022-10-17 10:54:19,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:54:19,018 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:54:19,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19 WrapperNode [2022-10-17 10:54:19,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:54:19,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:54:19,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:54:19,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:54:19,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,110 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 175 [2022-10-17 10:54:19,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:54:19,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:54:19,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:54:19,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:54:19,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,194 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:54:19,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:54:19,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:54:19,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:54:19,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (1/1) ... [2022-10-17 10:54:19,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:54:19,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:54:19,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:54:19,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:54:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:54:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:54:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:54:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-17 10:54:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:54:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-17 10:54:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:54:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:54:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:54:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:54:19,467 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:54:19,469 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:54:20,340 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:54:20,348 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:54:20,349 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 10:54:20,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:20 BoogieIcfgContainer [2022-10-17 10:54:20,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:54:20,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:54:20,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:54:20,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:54:20,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:54:18" (1/3) ... [2022-10-17 10:54:20,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c48e925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:54:20, skipping insertion in model container [2022-10-17 10:54:20,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:19" (2/3) ... [2022-10-17 10:54:20,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c48e925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:54:20, skipping insertion in model container [2022-10-17 10:54:20,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:20" (3/3) ... [2022-10-17 10:54:20,403 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2022-10-17 10:54:20,450 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:54:20,450 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:54:20,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:54:20,541 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;@f7f2052, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:54:20,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:54:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 51 states have (on average 1.6666666666666667) internal successors, (85), 52 states have internal predecessors, (85), 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) [2022-10-17 10:54:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 10:54:20,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:20,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:20,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:20,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:20,562 INFO L85 PathProgramCache]: Analyzing trace with hash 361713738, now seen corresponding path program 1 times [2022-10-17 10:54:20,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:20,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135049032] [2022-10-17 10:54:20,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:20,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:20,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:20,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135049032] [2022-10-17 10:54:20,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135049032] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:20,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:20,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:54:20,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587207592] [2022-10-17 10:54:20,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:20,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:54:20,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:20,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:54:20,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:54:20,799 INFO L87 Difference]: Start difference. First operand has 53 states, 51 states have (on average 1.6666666666666667) internal successors, (85), 52 states have internal predecessors, (85), 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) [2022-10-17 10:54:20,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:20,826 INFO L93 Difference]: Finished difference Result 104 states and 168 transitions. [2022-10-17 10:54:20,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:54:20,829 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 [2022-10-17 10:54:20,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:20,841 INFO L225 Difference]: With dead ends: 104 [2022-10-17 10:54:20,841 INFO L226 Difference]: Without dead ends: 50 [2022-10-17 10:54:20,845 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 [2022-10-17 10:54:20,849 INFO L413 NwaCegarLoop]: 73 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, 73 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 [2022-10-17 10:54:20,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:54:20,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-10-17 10:54:20,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-10-17 10:54:20,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 49 states have internal predecessors, (70), 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) [2022-10-17 10:54:20,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2022-10-17 10:54:20,896 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 8 [2022-10-17 10:54:20,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:20,897 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2022-10-17 10:54:20,897 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) [2022-10-17 10:54:20,897 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2022-10-17 10:54:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 10:54:20,898 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:20,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:20,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:54:20,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:20,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:20,900 INFO L85 PathProgramCache]: Analyzing trace with hash 332468045, now seen corresponding path program 1 times [2022-10-17 10:54:20,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:20,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286824494] [2022-10-17 10:54:20,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:20,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:20,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:54:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:54:21,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:54:21,018 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 10:54:21,020 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:54:21,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:54:21,027 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-17 10:54:21,032 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:54:21,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:54:21 BoogieIcfgContainer [2022-10-17 10:54:21,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:54:21,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:54:21,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:54:21,064 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:54:21,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:20" (3/4) ... [2022-10-17 10:54:21,068 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:54:21,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:54:21,070 INFO L158 Benchmark]: Toolchain (without parser) took 2468.94ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 53.0MB in the beginning and 64.5MB in the end (delta: -11.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-10-17 10:54:21,071 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:54:21,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.07ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 52.8MB in the beginning and 90.5MB in the end (delta: -37.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:54:21,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.72ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 86.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:54:21,073 INFO L158 Benchmark]: Boogie Preprocessor took 95.10ms. Allocated memory is still 117.4MB. Free memory was 86.3MB in the beginning and 83.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:54:21,074 INFO L158 Benchmark]: RCFGBuilder took 1184.39ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 92.8MB in the end (delta: -9.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-10-17 10:54:21,075 INFO L158 Benchmark]: TraceAbstraction took 667.81ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 64.5MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 10:54:21,075 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 117.4MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:54:21,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.07ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 52.8MB in the beginning and 90.5MB in the end (delta: -37.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.72ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 86.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.10ms. Allocated memory is still 117.4MB. Free memory was 86.3MB in the beginning and 83.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1184.39ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 92.8MB in the end (delta: -9.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 667.81ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 64.5MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 117.4MB. Free memory is still 64.5MB. 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: 146]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] double x = -1.0 / 0.0; [L142] CALL, EXPR __ieee754_sqrt(x) [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=4294967304, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967304] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (ix1) = ew_u.parts.lsw [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [\old(x)=4294967304, ix0=-1, ix1=4294967296, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967304] [L142] RET, EXPR __ieee754_sqrt(x) [L142] double res = __ieee754_sqrt(x); [L145] CALL, EXPR isnan_double(res) [L132] return x != x; VAL [\old(x)=4294967305, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967305] [L145] RET, EXPR isnan_double(res) [L145] COND TRUE !isnan_double(res) [L146] reach_error() VAL [one_sqrt=1, res=4294967305, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967304] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 73 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, 73 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=53occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s 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 [2022-10-17 10:54:21,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ --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 41132fbae907016ec5719feb94bacb8a0df8201935428a611dada6a5c8f6c43e --- 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-dbf71c6-m [2022-10-17 10:54:24,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:54:24,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:54:24,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:54:24,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:54:24,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:54:24,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:54:24,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:54:24,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:54:24,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:54:24,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:54:24,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:54:24,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:54:24,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:54:24,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:54:24,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:54:24,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:54:24,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:54:24,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:54:24,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:54:24,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:54:24,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:54:24,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:54:24,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:54:24,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:54:24,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:54:24,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:54:24,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:54:24,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:54:24,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:54:24,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:54:24,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:54:24,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:54:24,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:54:24,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:54:24,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:54:24,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:54:24,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:54:24,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:54:24,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:54:24,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:54:24,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-10-17 10:54:24,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:54:24,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:54:24,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:54:24,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:54:24,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:54:24,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:54:24,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:54:24,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:54:24,265 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:54:24,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:54:24,266 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:54:24,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:54:24,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:54:24,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:54:24,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:54:24,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:54:24,269 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 10:54:24,269 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 10:54:24,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 10:54:24,270 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:54:24,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:54:24,271 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:54:24,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:54:24,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:54:24,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:54:24,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:54:24,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:54:24,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:54:24,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:54:24,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:54:24,275 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-10-17 10:54:24,275 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 10:54:24,276 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:54:24,276 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:54:24,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:54:24,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 10:54:24,277 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41132fbae907016ec5719feb94bacb8a0df8201935428a611dada6a5c8f6c43e [2022-10-17 10:54:24,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:54:24,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:54:24,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:54:24,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:54:24,777 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:54:24,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2022-10-17 10:54:24,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/data/445978ff8/863cfc67036c439dbdb2ad58f0a025e0/FLAG9a9ca3a97 [2022-10-17 10:54:25,416 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:54:25,429 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2022-10-17 10:54:25,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/data/445978ff8/863cfc67036c439dbdb2ad58f0a025e0/FLAG9a9ca3a97 [2022-10-17 10:54:25,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/data/445978ff8/863cfc67036c439dbdb2ad58f0a025e0 [2022-10-17 10:54:25,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:54:25,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:54:25,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:54:25,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:54:25,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:54:25,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:54:25" (1/1) ... [2022-10-17 10:54:25,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e3d1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:25, skipping insertion in model container [2022-10-17 10:54:25,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:54:25" (1/1) ... [2022-10-17 10:54:25,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:54:25,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:54:26,037 WARN L230 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_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2022-10-17 10:54:26,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:54:26,055 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:54:26,181 WARN L230 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_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2022-10-17 10:54:26,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:54:26,215 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:54:26,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26 WrapperNode [2022-10-17 10:54:26,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:54:26,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:54:26,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:54:26,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:54:26,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,267 INFO L138 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 163 [2022-10-17 10:54:26,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:54:26,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:54:26,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:54:26,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:54:26,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:54:26,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:54:26,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:54:26,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:54:26,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (1/1) ... [2022-10-17 10:54:26,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:54:26,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:54:26,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:54:26,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:54:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:54:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-10-17 10:54:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-10-17 10:54:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 10:54:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:54:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 10:54:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:54:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:54:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 10:54:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:54:26,534 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:54:26,541 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:54:30,860 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:54:30,868 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:54:30,869 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 10:54:30,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:30 BoogieIcfgContainer [2022-10-17 10:54:30,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:54:30,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:54:30,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:54:30,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:54:30,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:54:25" (1/3) ... [2022-10-17 10:54:30,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461183ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:54:30, skipping insertion in model container [2022-10-17 10:54:30,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:26" (2/3) ... [2022-10-17 10:54:30,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461183ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:54:30, skipping insertion in model container [2022-10-17 10:54:30,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:30" (3/3) ... [2022-10-17 10:54:30,883 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2022-10-17 10:54:30,907 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:54:30,907 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:54:30,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:54:30,978 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;@f5d6898, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:54:30,978 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:54:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 47 states have (on average 1.6382978723404256) internal successors, (77), 48 states have internal predecessors, (77), 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) [2022-10-17 10:54:30,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 10:54:30,988 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:30,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:30,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:30,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:30,995 INFO L85 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2022-10-17 10:54:31,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-10-17 10:54:31,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653410139] [2022-10-17 10:54:31,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:31,012 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 10:54:31,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat [2022-10-17 10:54:31,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 10:54:31,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-10-17 10:54:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:31,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 10:54:31,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:54:31,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:31,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:54:31,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-10-17 10:54:31,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653410139] [2022-10-17 10:54:31,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653410139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:31,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:31,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:54:31,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140008124] [2022-10-17 10:54:31,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:31,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:54:31,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-10-17 10:54:31,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:54:31,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:54:31,621 INFO L87 Difference]: Start difference. First operand has 49 states, 47 states have (on average 1.6382978723404256) internal successors, (77), 48 states have internal predecessors, (77), 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) [2022-10-17 10:54:31,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:31,670 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2022-10-17 10:54:31,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:54:31,672 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 [2022-10-17 10:54:31,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:31,685 INFO L225 Difference]: With dead ends: 96 [2022-10-17 10:54:31,686 INFO L226 Difference]: Without dead ends: 46 [2022-10-17 10:54:31,692 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 [2022-10-17 10:54:31,708 INFO L413 NwaCegarLoop]: 68 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, 68 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 [2022-10-17 10:54:31,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:54:31,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-10-17 10:54:31,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-10-17 10:54:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 45 states have internal predecessors, (65), 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) [2022-10-17 10:54:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2022-10-17 10:54:31,771 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2022-10-17 10:54:31,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:31,772 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2022-10-17 10:54:31,772 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) [2022-10-17 10:54:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2022-10-17 10:54:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 10:54:31,773 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:31,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:31,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:54:31,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 [2022-10-17 10:54:31,976 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:31,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:31,977 INFO L85 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2022-10-17 10:54:31,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-10-17 10:54:31,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521682977] [2022-10-17 10:54:31,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:31,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 10:54:31,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat [2022-10-17 10:54:31,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 10:54:31,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-10-17 10:54:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:32,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 10:54:32,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:54:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:32,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:54:32,926 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-10-17 10:54:32,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521682977] [2022-10-17 10:54:32,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1521682977] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:32,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:32,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:54:32,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529837593] [2022-10-17 10:54:32,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:32,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:54:32,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-10-17 10:54:32,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:54:32,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:54:32,931 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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) [2022-10-17 10:54:35,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:35,275 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2022-10-17 10:54:35,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:54:35,276 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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 [2022-10-17 10:54:35,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:35,278 INFO L225 Difference]: With dead ends: 51 [2022-10-17 10:54:35,278 INFO L226 Difference]: Without dead ends: 46 [2022-10-17 10:54:35,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:54:35,281 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 132 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:54:35,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 223 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-17 10:54:35,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-10-17 10:54:35,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-10-17 10:54:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.4) internal successors, (63), 45 states have internal predecessors, (63), 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) [2022-10-17 10:54:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2022-10-17 10:54:35,292 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 9 [2022-10-17 10:54:35,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:35,292 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2022-10-17 10:54:35,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 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) [2022-10-17 10:54:35,293 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2022-10-17 10:54:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 10:54:35,294 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:35,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:35,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:54:35,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 [2022-10-17 10:54:35,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:35,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:35,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1929236654, now seen corresponding path program 1 times [2022-10-17 10:54:35,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-10-17 10:54:35,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561054947] [2022-10-17 10:54:35,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:35,510 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 10:54:35,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat [2022-10-17 10:54:35,512 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 10:54:35,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-10-17 10:54:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:35,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:54:35,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:54:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:35,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:54:35,881 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-10-17 10:54:35,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561054947] [2022-10-17 10:54:35,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561054947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:35,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:35,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:54:35,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435193516] [2022-10-17 10:54:35,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:35,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:54:35,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-10-17 10:54:35,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:54:35,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:54:35,885 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-10-17 10:54:35,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:35,888 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2022-10-17 10:54:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:54:35,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2022-10-17 10:54:35,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:35,890 INFO L225 Difference]: With dead ends: 46 [2022-10-17 10:54:35,890 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:54:35,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:54:35,892 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:54:35,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 2 Unchecked, 0.0s Time] [2022-10-17 10:54:35,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:54:35,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:54:35,895 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) [2022-10-17 10:54:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:54:35,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-10-17 10:54:35,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:35,896 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:54:35,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-10-17 10:54:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:54:35,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:54:35,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:54:35,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:54:36,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 [2022-10-17 10:54:36,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:54:36,429 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 63) no Hoare annotation was computed. [2022-10-17 10:54:36,429 INFO L899 garLoopResultBuilder]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2022-10-17 10:54:36,429 INFO L899 garLoopResultBuilder]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2022-10-17 10:54:36,430 INFO L895 garLoopResultBuilder]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_sqrt_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) [2022-10-17 10:54:36,430 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 21 129) no Hoare annotation was computed. [2022-10-17 10:54:36,430 INFO L899 garLoopResultBuilder]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2022-10-17 10:54:36,430 INFO L895 garLoopResultBuilder]: At program point L52-3(lines 52 53) the Hoare annotation is: false [2022-10-17 10:54:36,430 INFO L899 garLoopResultBuilder]: For program point L52-4(lines 52 53) no Hoare annotation was computed. [2022-10-17 10:54:36,431 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 111) no Hoare annotation was computed. [2022-10-17 10:54:36,431 INFO L899 garLoopResultBuilder]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2022-10-17 10:54:36,431 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 116) no Hoare annotation was computed. [2022-10-17 10:54:36,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:54:36,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:54:36,431 INFO L899 garLoopResultBuilder]: For program point L119(lines 119 120) no Hoare annotation was computed. [2022-10-17 10:54:36,431 INFO L899 garLoopResultBuilder]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2022-10-17 10:54:36,432 INFO L895 garLoopResultBuilder]: At program point L128(lines 21 129) the Hoare annotation is: (and (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res#1|) (= |ULTIMATE.start___ieee754_sqrt_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2022-10-17 10:54:36,432 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 96) no Hoare annotation was computed. [2022-10-17 10:54:36,432 INFO L899 garLoopResultBuilder]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2022-10-17 10:54:36,432 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 148) no Hoare annotation was computed. [2022-10-17 10:54:36,432 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 57) no Hoare annotation was computed. [2022-10-17 10:54:36,432 INFO L899 garLoopResultBuilder]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2022-10-17 10:54:36,437 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 115) no Hoare annotation was computed. [2022-10-17 10:54:36,437 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 43) no Hoare annotation was computed. [2022-10-17 10:54:36,439 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 81) the Hoare annotation is: false [2022-10-17 10:54:36,440 INFO L899 garLoopResultBuilder]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2022-10-17 10:54:36,442 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2022-10-17 10:54:36,444 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-10-17 10:54:36,444 INFO L895 garLoopResultBuilder]: At program point L47-2(lines 47 51) the Hoare annotation is: false [2022-10-17 10:54:36,445 INFO L899 garLoopResultBuilder]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2022-10-17 10:54:36,445 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2022-10-17 10:54:36,445 INFO L899 garLoopResultBuilder]: For program point L89(lines 89 90) no Hoare annotation was computed. [2022-10-17 10:54:36,445 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2022-10-17 10:54:36,446 INFO L895 garLoopResultBuilder]: At program point L122-2(lines 122 127) the Hoare annotation is: false [2022-10-17 10:54:36,446 INFO L899 garLoopResultBuilder]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2022-10-17 10:54:36,450 INFO L899 garLoopResultBuilder]: For program point L122-3(lines 122 127) no Hoare annotation was computed. [2022-10-17 10:54:36,450 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 114) no Hoare annotation was computed. [2022-10-17 10:54:36,450 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2022-10-17 10:54:36,451 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2022-10-17 10:54:36,451 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:54:36,451 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 146) no Hoare annotation was computed. [2022-10-17 10:54:36,451 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 42) no Hoare annotation was computed. [2022-10-17 10:54:36,452 INFO L895 garLoopResultBuilder]: At program point L132(line 132) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res#1|) (= |ULTIMATE.start___ieee754_sqrt_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2022-10-17 10:54:36,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:54:36,452 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2022-10-17 10:54:36,452 INFO L899 garLoopResultBuilder]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2022-10-17 10:54:36,453 INFO L902 garLoopResultBuilder]: At program point L150(lines 134 151) the Hoare annotation is: true [2022-10-17 10:54:36,453 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 100) the Hoare annotation is: false [2022-10-17 10:54:36,453 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 21 129) no Hoare annotation was computed. [2022-10-17 10:54:36,453 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2022-10-17 10:54:36,457 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-17 10:54:36,461 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:54:36,480 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,486 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,486 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,487 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,487 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,487 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,488 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,489 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,495 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-10-17 10:54:36,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-10-17 10:54:36,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-10-17 10:54:36,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-10-17 10:54:36,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,518 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,519 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:54:36 BoogieIcfgContainer [2022-10-17 10:54:36,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:54:36,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:54:36,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:54:36,526 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:54:36,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:30" (3/4) ... [2022-10-17 10:54:36,530 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:54:36,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-10-17 10:54:36,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 10:54:36,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:54:36,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:54:36,585 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) [2022-10-17 10:54:36,585 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-10-17 10:54:36,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-10-17 10:54:36,642 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:54:36,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:54:36,643 INFO L158 Benchmark]: Toolchain (without parser) took 10864.69ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 46.1MB in the beginning and 46.5MB in the end (delta: -400.0kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 10:54:36,644 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:54:36,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.24ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 48.3MB in the end (delta: -2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 10:54:36,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.22ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 46.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:54:36,646 INFO L158 Benchmark]: Boogie Preprocessor took 50.22ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:54:36,646 INFO L158 Benchmark]: RCFGBuilder took 4552.19ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 44.9MB in the end (delta: -839.5kB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-10-17 10:54:36,647 INFO L158 Benchmark]: TraceAbstraction took 5646.05ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 44.4MB in the beginning and 50.1MB in the end (delta: -5.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-10-17 10:54:36,648 INFO L158 Benchmark]: Witness Printer took 117.47ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 46.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:54:36,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.24ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 48.3MB in the end (delta: -2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.22ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 46.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.22ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4552.19ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 44.9MB in the end (delta: -839.5kB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5646.05ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 44.4MB in the beginning and 50.1MB in the end (delta: -5.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 117.47ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 46.5MB in the end (delta: 3.7MB). 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 - 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 - 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 - 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 - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - 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 - 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 - 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 - 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 - 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: 146]: 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, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 297 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2 IncrementalHoareTripleChecker+Unchecked, 170 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 127 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 103 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 3 QuantifiedInterpolants, 142 SizeOfPredicates, 15 NumberOfNonLiveVariables, 123 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant [2022-10-17 10:54:36,688 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,688 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,689 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,689 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,689 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,689 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,693 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,694 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,696 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,696 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,697 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,697 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,697 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,697 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,698 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,698 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant [2022-10-17 10:54:36,701 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-10-17 10:54:36,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-10-17 10:54:36,703 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,704 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-10-17 10:54:36,704 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 132]: Loop Invariant [2022-10-17 10:54:36,704 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,706 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,706 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,706 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,714 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,714 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,716 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-10-17 10:54:36,716 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((1bv32 == \result && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2022-10-17 10:54:36,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad33a6dd-ec8e-47df-a05f-0ef6cd1b235c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE