./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa --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 9f4aaad5467edb8ebb713201c5ef1a2ab973a56e3a4674058c8240617473ff22 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:32:14,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:32:14,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:32:14,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:32:14,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:32:14,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:32:14,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:32:14,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:32:14,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:32:14,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:32:14,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:32:14,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:32:14,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:32:14,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:32:14,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:32:14,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:32:14,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:32:14,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:32:14,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:32:14,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:32:14,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:32:14,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:32:14,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:32:14,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:32:14,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:32:14,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:32:14,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:32:14,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:32:14,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:32:14,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:32:14,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:32:14,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:32:14,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:32:14,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:32:14,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:32:14,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:32:14,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:32:14,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:32:14,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:32:14,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:32:14,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:32:14,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:32:14,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:32:14,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:32:14,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:32:14,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:32:14,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:32:14,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:32:14,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:32:14,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:32:14,178 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:32:14,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:32:14,179 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:32:14,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:32:14,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:32:14,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:32:14,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:32:14,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:32:14,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:32:14,180 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:32:14,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:32:14,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:32:14,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:32:14,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:32:14,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:32:14,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:32:14,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:32:14,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:32:14,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:32:14,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:32:14,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:32:14,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:32:14,182 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:32:14,182 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:32:14,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:32:14,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:32:14,183 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_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f4aaad5467edb8ebb713201c5ef1a2ab973a56e3a4674058c8240617473ff22 [2021-12-07 00:32:14,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:32:14,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:32:14,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:32:14,425 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:32:14,425 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:32:14,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2021-12-07 00:32:14,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/data/62fbc4b13/ec779eb8468147629c81bed389c7ecc7/FLAG91230991d [2021-12-07 00:32:14,827 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:32:14,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2021-12-07 00:32:14,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/data/62fbc4b13/ec779eb8468147629c81bed389c7ecc7/FLAG91230991d [2021-12-07 00:32:15,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/data/62fbc4b13/ec779eb8468147629c81bed389c7ecc7 [2021-12-07 00:32:15,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:32:15,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:32:15,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:32:15,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:32:15,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:32:15,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72589941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15, skipping insertion in model container [2021-12-07 00:32:15,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:32:15,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:32:15,465 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_91af8cf0-1f08-4382-86be-2ea26be26e0f/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c[1094,1107] [2021-12-07 00:32:15,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:32:15,480 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:32:15,497 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_91af8cf0-1f08-4382-86be-2ea26be26e0f/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c[1094,1107] [2021-12-07 00:32:15,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:32:15,512 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:32:15,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15 WrapperNode [2021-12-07 00:32:15,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:32:15,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:32:15,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:32:15,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:32:15,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,547 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2021-12-07 00:32:15,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:32:15,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:32:15,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:32:15,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:32:15,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:32:15,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:32:15,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:32:15,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:32:15,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (1/1) ... [2021-12-07 00:32:15,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:32:15,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:32:15,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:32:15,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:32:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:32:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:32:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:32:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:32:15,709 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:32:15,710 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:32:15,798 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:32:15,805 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:32:15,805 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 00:32:15,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:32:15 BoogieIcfgContainer [2021-12-07 00:32:15,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:32:15,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:32:15,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:32:15,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:32:15,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:32:15" (1/3) ... [2021-12-07 00:32:15,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db9073c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:32:15, skipping insertion in model container [2021-12-07 00:32:15,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:15" (2/3) ... [2021-12-07 00:32:15,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db9073c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:32:15, skipping insertion in model container [2021-12-07 00:32:15,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:32:15" (3/3) ... [2021-12-07 00:32:15,817 INFO L111 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c.v+cfa-reducer.c [2021-12-07 00:32:15,823 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:32:15,823 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:32:15,876 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:32:15,883 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:32:15,884 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:32:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 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) [2021-12-07 00:32:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-07 00:32:15,905 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:32:15,906 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:32:15,906 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:32:15,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:32:15,913 INFO L85 PathProgramCache]: Analyzing trace with hash 570602568, now seen corresponding path program 1 times [2021-12-07 00:32:15,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:32:15,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884428410] [2021-12-07 00:32:15,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:32:15,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:32:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:16,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:32:16,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:32:16,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884428410] [2021-12-07 00:32:16,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884428410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:32:16,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:32:16,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:32:16,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240440232] [2021-12-07 00:32:16,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:32:16,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:32:16,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:32:16,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:32:16,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:32:16,159 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 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 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-07 00:32:16,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:32:16,230 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2021-12-07 00:32:16,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:32:16,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-12-07 00:32:16,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:32:16,241 INFO L225 Difference]: With dead ends: 30 [2021-12-07 00:32:16,241 INFO L226 Difference]: Without dead ends: 14 [2021-12-07 00:32:16,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:32:16,249 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 28 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:32:16,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 59 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:32:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-12-07 00:32:16,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-12-07 00:32:16,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:32:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-12-07 00:32:16,286 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2021-12-07 00:32:16,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:32:16,286 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-12-07 00:32:16,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-07 00:32:16,287 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-12-07 00:32:16,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-07 00:32:16,287 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:32:16,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:32:16,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:32:16,288 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:32:16,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:32:16,290 INFO L85 PathProgramCache]: Analyzing trace with hash 587613229, now seen corresponding path program 1 times [2021-12-07 00:32:16,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:32:16,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867779733] [2021-12-07 00:32:16,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:32:16,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:32:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:32:16,306 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:32:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:32:16,337 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:32:16,338 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 00:32:16,340 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:32:16,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:32:16,346 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-07 00:32:16,350 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:32:16,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:32:16 BoogieIcfgContainer [2021-12-07 00:32:16,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:32:16,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:32:16,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:32:16,381 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:32:16,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:32:15" (3/4) ... [2021-12-07 00:32:16,384 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:32:16,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:32:16,386 INFO L158 Benchmark]: Toolchain (without parser) took 1121.57ms. Allocated memory was 96.5MB in the beginning and 144.7MB in the end (delta: 48.2MB). Free memory was 63.1MB in the beginning and 81.2MB in the end (delta: -18.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2021-12-07 00:32:16,386 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:32:16,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.94ms. Allocated memory was 96.5MB in the beginning and 144.7MB in the end (delta: 48.2MB). Free memory was 62.9MB in the beginning and 119.7MB in the end (delta: -56.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:32:16,387 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.29ms. Allocated memory is still 144.7MB. Free memory was 119.7MB in the beginning and 117.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:32:16,388 INFO L158 Benchmark]: Boogie Preprocessor took 19.68ms. Allocated memory is still 144.7MB. Free memory was 117.9MB in the beginning and 116.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:32:16,389 INFO L158 Benchmark]: RCFGBuilder took 239.27ms. Allocated memory is still 144.7MB. Free memory was 116.8MB in the beginning and 108.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:32:16,389 INFO L158 Benchmark]: TraceAbstraction took 570.14ms. Allocated memory is still 144.7MB. Free memory was 107.6MB in the beginning and 81.2MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-07 00:32:16,390 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 144.7MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:32:16,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.94ms. Allocated memory was 96.5MB in the beginning and 144.7MB in the end (delta: 48.2MB). Free memory was 62.9MB in the beginning and 119.7MB in the end (delta: -56.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.29ms. Allocated memory is still 144.7MB. Free memory was 119.7MB in the beginning and 117.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.68ms. Allocated memory is still 144.7MB. Free memory was 117.9MB in the beginning and 116.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.27ms. Allocated memory is still 144.7MB. Free memory was 116.8MB in the beginning and 108.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 570.14ms. Allocated memory is still 144.7MB. Free memory was 107.6MB in the beginning and 81.2MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 144.7MB. Free memory is still 81.2MB. 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: 45]: 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 32, overapproximation of someBinaryArithmeticDOUBLEoperation at line 69. Possible FailurePath: [L1] int __return_main; [L12] int __return_76; VAL [__return_76=0, __return_main=0] [L15] double main__x; [L16] double main__y; [L17] main__x = __VERIFIER_nondet_double() [L18] int main____CPAchecker_TMP_0; VAL [__return_76=0, __return_main=0] [L19] COND TRUE main__x >= 0.0 VAL [__return_76=0, __return_main=0] [L21] COND TRUE main__x <= 10.0 [L23] main____CPAchecker_TMP_0 = 1 VAL [__return_76=0, __return_main=0, main____CPAchecker_TMP_0=1] [L24] COND TRUE main____CPAchecker_TMP_0 != 0 [L26] main__y = (main__x * main__x) - main__x VAL [__return_76=0, __return_main=0, main____CPAchecker_TMP_0=1] [L27] COND FALSE !(main__y >= 0) [L69] main__y = (main__x * main__x) + 2.0 VAL [__return_76=0, __return_main=0, main____CPAchecker_TMP_0=1] [L31] int main____CPAchecker_TMP_1; VAL [__return_76=0, __return_main=0, main____CPAchecker_TMP_0=1] [L32] COND FALSE !(main__y >= 0.0) VAL [__return_76=0, __return_main=0, main____CPAchecker_TMP_0=1] [L58] main____CPAchecker_TMP_1 = 0 VAL [__return_76=0, __return_main=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0] [L39] int __tmp_1; [L40] __tmp_1 = main____CPAchecker_TMP_1 [L41] int __VERIFIER_assert__cond; [L42] __VERIFIER_assert__cond = __tmp_1 VAL [__return_76=0, __return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0] [L43] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_76=0, __return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0] [L45] reach_error() VAL [__return_76=0, __return_main=0, __tmp_1=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 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, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 20 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 [2021-12-07 00:32:16,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/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_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa --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 9f4aaad5467edb8ebb713201c5ef1a2ab973a56e3a4674058c8240617473ff22 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:32:18,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:32:18,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:32:18,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:32:18,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:32:18,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:32:18,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:32:18,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:32:18,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:32:18,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:32:18,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:32:18,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:32:18,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:32:18,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:32:18,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:32:18,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:32:18,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:32:18,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:32:18,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:32:18,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:32:18,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:32:18,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:32:18,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:32:18,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:32:18,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:32:18,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:32:18,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:32:18,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:32:18,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:32:18,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:32:18,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:32:18,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:32:18,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:32:18,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:32:18,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:32:18,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:32:18,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:32:18,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:32:18,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:32:18,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:32:18,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:32:18,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-07 00:32:18,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:32:18,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:32:18,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:32:18,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:32:18,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:32:18,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:32:18,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:32:18,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:32:18,444 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:32:18,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:32:18,445 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:32:18,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:32:18,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:32:18,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:32:18,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:32:18,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:32:18,446 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-07 00:32:18,446 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 00:32:18,447 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 00:32:18,447 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:32:18,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:32:18,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:32:18,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:32:18,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:32:18,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:32:18,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:32:18,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:32:18,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:32:18,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:32:18,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:32:18,450 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 00:32:18,450 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 00:32:18,451 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:32:18,451 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:32:18,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:32:18,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:32:18,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 00:32:18,452 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_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f4aaad5467edb8ebb713201c5ef1a2ab973a56e3a4674058c8240617473ff22 [2021-12-07 00:32:18,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:32:18,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:32:18,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:32:18,792 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:32:18,793 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:32:18,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2021-12-07 00:32:18,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/data/44f725d09/3ac4dfdb75854a12a5b394aaf125a3e5/FLAG2cf5157dd [2021-12-07 00:32:19,238 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:32:19,239 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2021-12-07 00:32:19,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/data/44f725d09/3ac4dfdb75854a12a5b394aaf125a3e5/FLAG2cf5157dd [2021-12-07 00:32:19,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/data/44f725d09/3ac4dfdb75854a12a5b394aaf125a3e5 [2021-12-07 00:32:19,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:32:19,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:32:19,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:32:19,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:32:19,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:32:19,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436af04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19, skipping insertion in model container [2021-12-07 00:32:19,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:32:19,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:32:19,825 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_91af8cf0-1f08-4382-86be-2ea26be26e0f/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c[1094,1107] [2021-12-07 00:32:19,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:32:19,838 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:32:19,850 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_91af8cf0-1f08-4382-86be-2ea26be26e0f/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c[1094,1107] [2021-12-07 00:32:19,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:32:19,878 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:32:19,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19 WrapperNode [2021-12-07 00:32:19,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:32:19,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:32:19,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:32:19,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:32:19,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,911 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2021-12-07 00:32:19,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:32:19,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:32:19,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:32:19,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:32:19,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:32:19,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:32:19,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:32:19,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:32:19,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (1/1) ... [2021-12-07 00:32:19,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:32:19,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:32:19,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:32:19,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:32:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:32:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-07 00:32:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:32:19,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:32:20,057 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:32:20,058 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:32:22,985 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:32:22,990 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:32:22,991 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 00:32:22,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:32:22 BoogieIcfgContainer [2021-12-07 00:32:22,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:32:22,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:32:22,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:32:22,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:32:22,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:32:19" (1/3) ... [2021-12-07 00:32:22,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546095e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:32:22, skipping insertion in model container [2021-12-07 00:32:22,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:32:19" (2/3) ... [2021-12-07 00:32:22,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546095e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:32:22, skipping insertion in model container [2021-12-07 00:32:22,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:32:22" (3/3) ... [2021-12-07 00:32:23,000 INFO L111 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c.v+cfa-reducer.c [2021-12-07 00:32:23,004 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:32:23,004 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:32:23,040 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:32:23,046 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:32:23,047 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:32:23,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 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) [2021-12-07 00:32:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-07 00:32:23,062 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:32:23,063 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:32:23,063 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:32:23,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:32:23,069 INFO L85 PathProgramCache]: Analyzing trace with hash 570602568, now seen corresponding path program 1 times [2021-12-07 00:32:23,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:32:23,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852310693] [2021-12-07 00:32:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:32:23,081 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:32:23,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:32:23,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:32:23,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-07 00:32:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:23,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 00:32:23,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:32:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:32:23,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:32:23,518 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:32:23,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852310693] [2021-12-07 00:32:23,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852310693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:32:23,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:32:23,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:32:23,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751051755] [2021-12-07 00:32:23,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:32:23,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:32:23,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:32:23,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:32:23,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:32:23,556 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 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 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-12-07 00:32:23,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:32:23,641 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-12-07 00:32:23,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:32:23,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-12-07 00:32:23,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:32:23,649 INFO L225 Difference]: With dead ends: 27 [2021-12-07 00:32:23,649 INFO L226 Difference]: Without dead ends: 14 [2021-12-07 00:32:23,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:32:23,654 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:32:23,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 57 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:32:23,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-12-07 00:32:23,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-12-07 00:32:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:32:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-12-07 00:32:23,676 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2021-12-07 00:32:23,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:32:23,677 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-12-07 00:32:23,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-12-07 00:32:23,677 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-12-07 00:32:23,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-07 00:32:23,678 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:32:23,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:32:23,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:32:23,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:32:23,879 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:32:23,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:32:23,879 INFO L85 PathProgramCache]: Analyzing trace with hash 587613229, now seen corresponding path program 1 times [2021-12-07 00:32:23,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:32:23,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33496202] [2021-12-07 00:32:23,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:32:23,880 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:32:23,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:32:23,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:32:23,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-07 00:32:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:24,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 00:32:24,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:32:48,502 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~main__x~0#1| |ULTIMATE.start_main_~main__x~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) is different from false [2021-12-07 00:32:50,524 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~main__x~0#1| |ULTIMATE.start_main_~main__x~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) is different from true [2021-12-07 00:33:20,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:33:20,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:33:20,493 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:33:20,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33496202] [2021-12-07 00:33:20,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33496202] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:33:20,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:33:20,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:33:20,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134092305] [2021-12-07 00:33:20,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:33:20,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:33:20,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:33:20,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:33:20,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2021-12-07 00:33:20,496 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-07 00:33:22,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:33:32,460 WARN L227 SmtUtils]: Spent 9.46s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 00:33:32,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:33:32,974 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2021-12-07 00:33:32,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:33:32,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-12-07 00:33:32,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:33:32,976 INFO L225 Difference]: With dead ends: 21 [2021-12-07 00:33:32,976 INFO L226 Difference]: Without dead ends: 16 [2021-12-07 00:33:32,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=15, Invalid=17, Unknown=2, NotChecked=8, Total=42 [2021-12-07 00:33:32,977 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 10 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:33:32,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 11 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 1 Unknown, 19 Unchecked, 2.8s Time] [2021-12-07 00:33:32,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-07 00:33:32,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-07 00:33:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:33:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-12-07 00:33:32,983 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2021-12-07 00:33:32,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:33:32,983 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-12-07 00:33:32,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-07 00:33:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-12-07 00:33:32,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-07 00:33:32,984 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:33:32,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:33:33,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-07 00:33:33,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:33:33,185 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:33:33,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:33:33,186 INFO L85 PathProgramCache]: Analyzing trace with hash -125142316, now seen corresponding path program 1 times [2021-12-07 00:33:33,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:33:33,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581668342] [2021-12-07 00:33:33,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:33:33,187 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:33:33,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:33:33,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:33:33,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-07 00:33:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:33:33,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 00:33:33,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:33:46,750 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~main__y~0#1| (fp.div currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| ((_ to_fp 11 53) currentRoundingMode 10.0))) (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)))) is different from true [2021-12-07 00:34:15,040 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (not (fp.geq (fp.div currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))))) is different from false [2021-12-07 00:34:17,112 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (not (fp.geq (fp.div currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))))) is different from true [2021-12-07 00:35:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:35:01,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:35:01,165 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:35:01,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581668342] [2021-12-07 00:35:01,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1581668342] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:35:01,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:35:01,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:35:01,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117041504] [2021-12-07 00:35:01,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:35:01,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:35:01,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:35:01,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:35:01,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=4, Unknown=3, NotChecked=6, Total=20 [2021-12-07 00:35:01,168 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-07 00:35:03,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:35:05,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:35:07,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:35:15,193 WARN L227 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 00:35:15,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:35:15,197 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2021-12-07 00:35:15,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:35:15,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-12-07 00:35:15,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:35:15,198 INFO L225 Difference]: With dead ends: 21 [2021-12-07 00:35:15,198 INFO L226 Difference]: Without dead ends: 16 [2021-12-07 00:35:15,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=10, Invalid=7, Unknown=3, NotChecked=10, Total=30 [2021-12-07 00:35:15,200 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:35:15,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 2 Unknown, 23 Unchecked, 6.2s Time] [2021-12-07 00:35:15,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-07 00:35:15,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2021-12-07 00:35:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:35:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-12-07 00:35:15,204 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2021-12-07 00:35:15,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:35:15,205 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-12-07 00:35:15,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-12-07 00:35:15,205 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-12-07 00:35:15,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-07 00:35:15,206 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:35:15,206 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:35:15,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-07 00:35:15,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:35:15,407 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:35:15,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:35:15,408 INFO L85 PathProgramCache]: Analyzing trace with hash 519293970, now seen corresponding path program 1 times [2021-12-07 00:35:15,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:35:15,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997085100] [2021-12-07 00:35:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:35:15,409 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:35:15,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:35:15,410 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:35:15,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-07 00:35:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:35:15,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 00:35:15,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:35:31,864 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~main__y~0#1| (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~main__x~0#1| |c_ULTIMATE.start_main_~main__x~0#1|) |c_ULTIMATE.start_main_~main__x~0#1|)) (fp.leq |c_ULTIMATE.start_main_~main__x~0#1| ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq |c_ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-12-07 00:35:48,583 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| |ULTIMATE.start_main_~main__x~0#1|))) (and (fp.leq |ULTIMATE.start_main_~main__x~0#1| ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) |c_ULTIMATE.start_main_~main__y~0#1|) (not (fp.geq (fp.sub c_currentRoundingMode .cse0 |ULTIMATE.start_main_~main__x~0#1|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-12-07 00:36:19,405 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| |ULTIMATE.start_main_~main__x~0#1|))) (and (fp.leq |ULTIMATE.start_main_~main__x~0#1| ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) |c_ULTIMATE.start_main_~main__y~0#1|) (not (fp.geq (fp.sub c_currentRoundingMode .cse0 |ULTIMATE.start_main_~main__x~0#1|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))))) (fp.geq |c_ULTIMATE.start_main_~main__y~0#1| (_ +zero 11 53)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-12-07 00:36:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:36:25,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:36:25,238 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:36:25,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997085100] [2021-12-07 00:36:25,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997085100] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:36:25,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:36:25,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:36:25,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619593313] [2021-12-07 00:36:25,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:36:25,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:36:25,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:36:25,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:36:25,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=13, Unknown=3, NotChecked=24, Total=56 [2021-12-07 00:36:25,241 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2021-12-07 00:36:27,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:36:27,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:36:27,281 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2021-12-07 00:36:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:36:27,282 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 13 [2021-12-07 00:36:27,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:36:27,283 INFO L225 Difference]: With dead ends: 22 [2021-12-07 00:36:27,283 INFO L226 Difference]: Without dead ends: 14 [2021-12-07 00:36:27,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=16, Invalid=13, Unknown=3, NotChecked=24, Total=56 [2021-12-07 00:36:27,284 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:36:27,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 32 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 21 Unchecked, 2.0s Time] [2021-12-07 00:36:27,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-12-07 00:36:27,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-12-07 00:36:27,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 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) [2021-12-07 00:36:27,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2021-12-07 00:36:27,289 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2021-12-07 00:36:27,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:36:27,289 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2021-12-07 00:36:27,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2021-12-07 00:36:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2021-12-07 00:36:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-07 00:36:27,290 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:36:27,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:36:27,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-07 00:36:27,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:36:27,491 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:36:27,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:36:27,492 INFO L85 PathProgramCache]: Analyzing trace with hash -101291445, now seen corresponding path program 1 times [2021-12-07 00:36:27,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:36:27,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621149849] [2021-12-07 00:36:27,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:36:27,493 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:36:27,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:36:27,494 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:36:27,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-07 00:36:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:36:27,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 00:36:27,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:36:49,164 WARN L227 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-07 00:37:05,279 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= |c_ULTIMATE.start_main_~main__y~0#1| (fp.div c_currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| .cse0)) (fp.leq |ULTIMATE.start_main_~main__x~0#1| .cse0)))) (fp.geq |c_ULTIMATE.start_main_~main__y~0#1| (_ +zero 11 53)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-12-07 00:37:21,615 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven |ULTIMATE.start_main_~main__x~0#1| .cse1))) (and (fp.geq .cse0 (_ +zero 11 53)) (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq |ULTIMATE.start_main_~main__x~0#1| .cse1))))) is different from false [2021-12-07 00:37:23,687 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven |ULTIMATE.start_main_~main__x~0#1| .cse1))) (and (fp.geq .cse0 (_ +zero 11 53)) (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq |ULTIMATE.start_main_~main__x~0#1| .cse1))))) is different from true [2021-12-07 00:38:08,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:38:08,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:38:08,827 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:38:08,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621149849] [2021-12-07 00:38:08,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621149849] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:38:08,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:38:08,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:38:08,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58268762] [2021-12-07 00:38:08,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:38:08,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:38:08,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:38:08,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:38:08,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=9, Unknown=6, NotChecked=14, Total=42 [2021-12-07 00:38:08,829 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-12-07 00:38:10,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:38:13,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 00:38:13,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:38:13,337 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2021-12-07 00:38:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:38:13,447 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2021-12-07 00:38:13,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:38:13,448 INFO L225 Difference]: With dead ends: 14 [2021-12-07 00:38:13,448 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 00:38:13,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.7s TimeCoverageRelationStatistics Valid=13, Invalid=9, Unknown=6, NotChecked=14, Total=42 [2021-12-07 00:38:13,449 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:38:13,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 4 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 2 Unknown, 20 Unchecked, 4.5s Time] [2021-12-07 00:38:13,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 00:38:13,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 00:38:13,451 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) [2021-12-07 00:38:13,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 00:38:13,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-12-07 00:38:13,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:38:13,451 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:38:13,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-12-07 00:38:13,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:38:13,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 00:38:13,454 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:38:13,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-07 00:38:13,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:38:13,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 00:38:34,430 WARN L227 SmtUtils]: Spent 20.76s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-07 00:38:51,087 WARN L227 SmtUtils]: Spent 16.66s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-07 00:40:40,612 WARN L227 SmtUtils]: Spent 1.83m on a formula simplification. DAG size of input: 40 DAG size of output: 40 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-07 00:40:40,615 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:40:40,615 INFO L854 garLoopResultBuilder]: At program point L64(lines 32 65) the Hoare annotation is: (or (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (not (fp.geq (fp.div currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))))) (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven |ULTIMATE.start_main_~main__x~0#1| .cse1))) (and (fp.geq .cse0 (_ +zero 11 53)) (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq |ULTIMATE.start_main_~main__x~0#1| .cse1))))) (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~main__x~0#1| |ULTIMATE.start_main_~main__x~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53)))))) [2021-12-07 00:40:40,615 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 71) no Hoare annotation was computed. [2021-12-07 00:40:40,616 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 81) no Hoare annotation was computed. [2021-12-07 00:40:40,616 INFO L861 garLoopResultBuilder]: At program point L85(lines 13 87) the Hoare annotation is: true [2021-12-07 00:40:40,616 INFO L858 garLoopResultBuilder]: For program point L19(lines 19 86) no Hoare annotation was computed. [2021-12-07 00:40:40,616 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 60) no Hoare annotation was computed. [2021-12-07 00:40:40,616 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 65) no Hoare annotation was computed. [2021-12-07 00:40:40,616 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 00:40:40,616 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 00:40:40,616 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:40:40,617 INFO L854 garLoopResultBuilder]: At program point L59(lines 34 60) the Hoare annotation is: (or (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (not (fp.geq (fp.div currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))))) (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven |ULTIMATE.start_main_~main__x~0#1| .cse1))) (and (fp.geq .cse0 (_ +zero 11 53)) (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq |ULTIMATE.start_main_~main__x~0#1| .cse1))))) (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (and (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~main__x~0#1| |ULTIMATE.start_main_~main__x~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) (= |ULTIMATE.start_main_~main____CPAchecker_TMP_1~0#1| (_ bv1 32))) [2021-12-07 00:40:40,617 INFO L858 garLoopResultBuilder]: For program point L24(lines 24 76) no Hoare annotation was computed. [2021-12-07 00:40:40,617 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2021-12-07 00:40:40,617 INFO L858 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2021-12-07 00:40:40,617 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 52) no Hoare annotation was computed. [2021-12-07 00:40:40,618 INFO L854 garLoopResultBuilder]: At program point L70(lines 27 71) the Hoare annotation is: (let ((.cse0 (let ((.cse4 (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)))) (or (and .cse4 (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start_main_~main__y~0#1| (fp.div currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| ((_ to_fp 11 53) currentRoundingMode 10.0))) (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53))))) (and .cse4 (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~main__x~0#1| |ULTIMATE.start_main_~main__x~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) |ULTIMATE.start_main_~main__y~0#1|) (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)))))))) (.cse2 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| |ULTIMATE.start_main_~main__x~0#1|))) (and (fp.leq |ULTIMATE.start_main_~main__x~0#1| ((_ to_fp 11 53) currentRoundingMode 10.0)) (fp.geq |ULTIMATE.start_main_~main__x~0#1| (_ +zero 11 53)) (= (fp.add currentRoundingMode .cse1 ((_ to_fp 11 53) currentRoundingMode 2.0)) |ULTIMATE.start_main_~main__y~0#1|) (not (fp.geq (fp.sub currentRoundingMode .cse1 |ULTIMATE.start_main_~main__x~0#1|) ((_ to_fp 11 53) currentRoundingMode (_ bv0 32))))))) .cse2) (and (exists ((|ULTIMATE.start_main_~main__x~0#1| (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode 10.0))) (and (= |ULTIMATE.start_main_~main__y~0#1| (fp.div currentRoundingMode |ULTIMATE.start_main_~main__x~0#1| .cse3)) (fp.leq |ULTIMATE.start_main_~main__x~0#1| .cse3)))) .cse0 .cse2))) [2021-12-07 00:40:40,621 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-07 00:40:40,622 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:40:40,629 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,630 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,630 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,630 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,633 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,633 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,633 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,633 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,634 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,635 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,639 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,639 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,640 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,641 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,641 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,644 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,645 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,646 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,646 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,646 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,646 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,648 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,648 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,649 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,650 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,650 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,651 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,651 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,651 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,653 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,653 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,653 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,654 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:40:40 BoogieIcfgContainer [2021-12-07 00:40:40,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:40:40,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:40:40,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:40:40,657 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:40:40,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:32:22" (3/4) ... [2021-12-07 00:40:40,660 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 00:40:40,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-07 00:40:40,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 00:40:40,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 00:40:40,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 00:40:40,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()))) || (~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE())))) && (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: ((~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE())) && ~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)) == main__y) && !~fp.geq~DOUBLE(~fp.sub~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 0bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: main__y == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && ((~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()))) || (~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2021-12-07 00:40:40,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()) && !~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) || (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: (~fp.geq~DOUBLE(~fp.div~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)), ~Pluszero~LONGDOUBLE()) && !~fp.leq~DOUBLE(~fp.div~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 105.0))) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)))) || (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()) && !~fp.geq~DOUBLE(~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)), ~Pluszero~LONGDOUBLE())) [2021-12-07 00:40:40,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()) && !~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) || (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: (~fp.geq~DOUBLE(~fp.div~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)), ~Pluszero~LONGDOUBLE()) && !~fp.leq~DOUBLE(~fp.div~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 105.0))) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)))) || (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()) && !~fp.geq~DOUBLE(~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)), ~Pluszero~LONGDOUBLE()))) || main____CPAchecker_TMP_1 == 1bv32 [2021-12-07 00:40:40,696 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:40:40,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:40:40,697 INFO L158 Benchmark]: Toolchain (without parser) took 501044.21ms. Allocated memory was 73.4MB in the beginning and 146.8MB in the end (delta: 73.4MB). Free memory was 57.6MB in the beginning and 100.2MB in the end (delta: -42.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2021-12-07 00:40:40,697 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:40:40,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.87ms. Allocated memory is still 73.4MB. Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: 73.1kB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-12-07 00:40:40,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.80ms. Allocated memory is still 73.4MB. Free memory was 57.6MB in the beginning and 55.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:40:40,698 INFO L158 Benchmark]: Boogie Preprocessor took 21.71ms. Allocated memory is still 73.4MB. Free memory was 55.9MB in the beginning and 55.0MB in the end (delta: 911.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:40:40,699 INFO L158 Benchmark]: RCFGBuilder took 3057.94ms. Allocated memory is still 73.4MB. Free memory was 54.7MB in the beginning and 45.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:40:40,699 INFO L158 Benchmark]: TraceAbstraction took 497662.81ms. Allocated memory was 73.4MB in the beginning and 146.8MB in the end (delta: 73.4MB). Free memory was 45.1MB in the beginning and 103.4MB in the end (delta: -58.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-12-07 00:40:40,700 INFO L158 Benchmark]: Witness Printer took 39.12ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 100.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:40:40,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.87ms. Allocated memory is still 73.4MB. Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: 73.1kB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.80ms. Allocated memory is still 73.4MB. Free memory was 57.6MB in the beginning and 55.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.71ms. Allocated memory is still 73.4MB. Free memory was 55.9MB in the beginning and 55.0MB in the end (delta: 911.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3057.94ms. Allocated memory is still 73.4MB. Free memory was 54.7MB in the beginning and 45.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 497662.81ms. Allocated memory was 73.4MB in the beginning and 146.8MB in the end (delta: 73.4MB). Free memory was 45.1MB in the beginning and 103.4MB in the end (delta: -58.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 39.12ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 100.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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[ULTIMATE.start_main_~main__x~0#1,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,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[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] - 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: 45]: 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 497.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 33.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 147.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 15.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 15.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 83 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 48 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 64.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 30, 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 14 NumberOfFragments, 253 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 146.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 314.4s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 22 QuantifiedInterpolants, 587 SizeOfPredicates, 14 NumberOfNonLiveVariables, 163 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 34]: Loop Invariant [2021-12-07 00:40:40,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,715 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,715 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,716 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,716 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,716 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,716 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,716 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,717 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,718 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,718 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,718 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,718 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,719 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,719 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,719 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,719 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,719 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,719 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,720 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,720 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()) && !~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) || (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: (~fp.geq~DOUBLE(~fp.div~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)), ~Pluszero~LONGDOUBLE()) && !~fp.leq~DOUBLE(~fp.div~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 105.0))) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)))) || (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()) && !~fp.geq~DOUBLE(~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)), ~Pluszero~LONGDOUBLE()))) || main____CPAchecker_TMP_1 == 1bv32 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant [2021-12-07 00:40:40,720 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,721 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,722 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,722 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,722 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,722 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,722 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,723 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,723 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,724 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,724 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,724 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,724 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,724 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,725 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,725 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,725 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,725 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()) && !~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) || (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: (~fp.geq~DOUBLE(~fp.div~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)), ~Pluszero~LONGDOUBLE()) && !~fp.leq~DOUBLE(~fp.div~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 105.0))) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)))) || (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()) && !~fp.geq~DOUBLE(~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 27]: Loop Invariant [2021-12-07 00:40:40,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,729 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,730 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,730 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,733 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-07 00:40:40,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,734 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,734 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-07 00:40:40,735 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0#1,QUANTIFIED] [2021-12-07 00:40:40,735 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()))) || (~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE())))) && (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: ((~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE())) && ~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)) == main__y) && !~fp.geq~DOUBLE(~fp.sub~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 0bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: main__y == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && ((~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0#1, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()))) || (~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0#1 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0#1, ULTIMATE.start_main_~main__x~0#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0#1, ~Pluszero~LONGDOUBLE()))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) RESULT: Ultimate proved your program to be correct! [2021-12-07 00:40:40,939 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-07 00:40:40,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91af8cf0-1f08-4382-86be-2ea26be26e0f/bin/uautomizer-DrprNOufMa/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