./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 bbabbac29d53fb5c08c994976f0cc24cf1493748 ...................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 bbabbac29d53fb5c08c994976f0cc24cf1493748 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 22:46:32,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:46:32,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:46:32,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:46:32,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:46:32,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:46:33,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:46:33,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:46:33,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:46:33,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:46:33,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:46:33,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:46:33,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:46:33,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:46:33,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:46:33,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:46:33,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:46:33,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:46:33,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:46:33,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:46:33,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:46:33,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:46:33,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:46:33,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:46:33,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:46:33,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:46:33,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:46:33,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:46:33,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:46:33,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:46:33,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:46:33,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:46:33,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:46:33,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:46:33,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:46:33,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:46:33,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:46:33,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:46:33,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:46:33,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:46:33,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:46:33,083 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 22:46:33,138 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:46:33,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:46:33,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:46:33,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:46:33,143 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:46:33,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:46:33,144 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:46:33,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 22:46:33,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:46:33,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:46:33,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:46:33,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:46:33,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:46:33,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:46:33,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:46:33,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:46:33,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:46:33,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:46:33,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:46:33,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:46:33,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:46:33,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:46:33,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:46:33,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:46:33,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:46:33,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 22:46:33,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 22:46:33,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:46:33,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:46:33,150 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbabbac29d53fb5c08c994976f0cc24cf1493748 [2020-10-24 22:46:33,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:46:33,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:46:33,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:46:33,625 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:46:33,626 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:46:33,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-10-24 22:46:33,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdbab274d/ab6fb9586be24790b4ddc83a814fcf85/FLAG590c9a0d5 [2020-10-24 22:46:34,363 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:46:34,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-10-24 22:46:34,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdbab274d/ab6fb9586be24790b4ddc83a814fcf85/FLAG590c9a0d5 [2020-10-24 22:46:34,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdbab274d/ab6fb9586be24790b4ddc83a814fcf85 [2020-10-24 22:46:34,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:46:34,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:46:34,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:46:34,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:46:34,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:46:34,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:46:34" (1/1) ... [2020-10-24 22:46:34,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780c70c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:34, skipping insertion in model container [2020-10-24 22:46:34,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:46:34" (1/1) ... [2020-10-24 22:46:34,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:46:34,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:46:35,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:46:35,068 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 22:46:35,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:46:35,116 INFO L208 MainTranslator]: Completed translation [2020-10-24 22:46:35,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35 WrapperNode [2020-10-24 22:46:35,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 22:46:35,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 22:46:35,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 22:46:35,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 22:46:35,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (1/1) ... [2020-10-24 22:46:35,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (1/1) ... [2020-10-24 22:46:35,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 22:46:35,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 22:46:35,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 22:46:35,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 22:46:35,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (1/1) ... [2020-10-24 22:46:35,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (1/1) ... [2020-10-24 22:46:35,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (1/1) ... [2020-10-24 22:46:35,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (1/1) ... [2020-10-24 22:46:35,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (1/1) ... [2020-10-24 22:46:35,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (1/1) ... [2020-10-24 22:46:35,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (1/1) ... [2020-10-24 22:46:35,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 22:46:35,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 22:46:35,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 22:46:35,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 22:46:35,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:46:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 22:46:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 22:46:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 22:46:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 22:46:35,800 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 22:46:35,800 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-24 22:46:35,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:46:35 BoogieIcfgContainer [2020-10-24 22:46:35,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 22:46:35,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 22:46:35,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 22:46:35,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 22:46:35,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:46:34" (1/3) ... [2020-10-24 22:46:35,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13177e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:46:35, skipping insertion in model container [2020-10-24 22:46:35,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:35" (2/3) ... [2020-10-24 22:46:35,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13177e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:46:35, skipping insertion in model container [2020-10-24 22:46:35,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:46:35" (3/3) ... [2020-10-24 22:46:35,814 INFO L111 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c.v+cfa-reducer.c [2020-10-24 22:46:35,828 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 22:46:35,833 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 22:46:35,854 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 22:46:35,898 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 22:46:35,899 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 22:46:35,899 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 22:46:35,899 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 22:46:35,899 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 22:46:35,900 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 22:46:35,900 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 22:46:35,900 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 22:46:35,919 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-10-24 22:46:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 22:46:35,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:46:35,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:46:35,928 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:46:35,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:46:35,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1949357366, now seen corresponding path program 1 times [2020-10-24 22:46:35,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 22:46:35,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038809063] [2020-10-24 22:46:35,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 22:46:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:46:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:46:36,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038809063] [2020-10-24 22:46:36,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:46:36,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 22:46:36,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207168943] [2020-10-24 22:46:36,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 22:46:36,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 22:46:36,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 22:46:36,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-24 22:46:36,270 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2020-10-24 22:46:36,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:46:36,356 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-10-24 22:46:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 22:46:36,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-24 22:46:36,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:46:36,369 INFO L225 Difference]: With dead ends: 31 [2020-10-24 22:46:36,369 INFO L226 Difference]: Without dead ends: 14 [2020-10-24 22:46:36,373 INFO L677 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 [2020-10-24 22:46:36,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-24 22:46:36,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-24 22:46:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-24 22:46:36,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-10-24 22:46:36,418 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2020-10-24 22:46:36,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:46:36,419 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-10-24 22:46:36,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 22:46:36,419 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-10-24 22:46:36,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 22:46:36,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:46:36,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:46:36,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 22:46:36,421 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:46:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:46:36,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1930440081, now seen corresponding path program 1 times [2020-10-24 22:46:36,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 22:46:36,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782582228] [2020-10-24 22:46:36,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 22:46:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 22:46:36,445 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 22:46:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 22:46:36,461 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 22:46:36,486 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 22:46:36,487 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 22:46:36,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 22:46:36,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:46:36 BoogieIcfgContainer [2020-10-24 22:46:36,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 22:46:36,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 22:46:36,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 22:46:36,525 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 22:46:36,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:46:35" (3/4) ... [2020-10-24 22:46:36,531 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 22:46:36,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 22:46:36,534 INFO L168 Benchmark]: Toolchain (without parser) took 1805.87 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.8 MB in the beginning and 42.7 MB in the end (delta: -17.9 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2020-10-24 22:46:36,535 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 48.2 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:46:36,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.55 ms. Allocated memory is still 48.2 MB. Free memory was 24.1 MB in the beginning and 25.8 MB in the end (delta: -1.6 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 22:46:36,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 24.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 22:46:36,538 INFO L168 Benchmark]: Boogie Preprocessor took 49.45 ms. Allocated memory is still 48.2 MB. Free memory was 24.3 MB in the beginning and 23.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:46:36,539 INFO L168 Benchmark]: RCFGBuilder took 580.63 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 23.3 MB in the beginning and 39.3 MB in the end (delta: -16.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-24 22:46:36,540 INFO L168 Benchmark]: TraceAbstraction took 718.45 ms. Allocated memory is still 65.0 MB. Free memory was 38.8 MB in the beginning and 43.2 MB in the end (delta: -4.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:46:36,541 INFO L168 Benchmark]: Witness Printer took 6.75 ms. Allocated memory is still 65.0 MB. Free memory was 43.0 MB in the beginning and 42.7 MB in the end (delta: 288.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:46:36,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 48.2 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 379.55 ms. Allocated memory is still 48.2 MB. Free memory was 24.1 MB in the beginning and 25.8 MB in the end (delta: -1.6 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 24.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.45 ms. Allocated memory is still 48.2 MB. Free memory was 24.3 MB in the beginning and 23.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 580.63 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 23.3 MB in the beginning and 39.3 MB in the end (delta: -16.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 718.45 ms. Allocated memory is still 65.0 MB. Free memory was 38.8 MB in the beginning and 43.2 MB in the end (delta: -4.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.75 ms. Allocated memory is still 65.0 MB. Free memory was 43.0 MB in the beginning and 42.7 MB in the end (delta: 288.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() 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] [L24] COND TRUE main____CPAchecker_TMP_0 != 0 [L26] main__y = (main__x * main__x) - main__x VAL [__return_76=0, __return_main=0] [L27] COND FALSE !(main__y >= 0) [L69] main__y = (main__x * main__x) + 2.0 VAL [__return_76=0, __return_main=0] [L31] int main____CPAchecker_TMP_1; VAL [__return_76=0, __return_main=0] [L32] COND FALSE !(main__y >= 0.0) VAL [__return_76=0, __return_main=0] [L58] main____CPAchecker_TMP_1 = 0 VAL [__return_76=0, __return_main=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] [L43] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_76=0, __return_main=0] [L4] __assert_fail("0", "zonotope_loose.c.v+cfa-reducer.c", 4, "reach_error") VAL [__return_76=0, __return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 28 SDslu, 39 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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=18occurred in iteration=0, 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, 209 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 22:46:39,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:46:39,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:46:39,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:46:39,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:46:39,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:46:39,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:46:39,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:46:39,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:46:39,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:46:39,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:46:39,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:46:39,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:46:39,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:46:39,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:46:39,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:46:39,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:46:39,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:46:39,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:46:39,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:46:39,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:46:39,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:46:39,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:46:39,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:46:39,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:46:39,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:46:39,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:46:39,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:46:39,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:46:39,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:46:39,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:46:39,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:46:39,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:46:39,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:46:39,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:46:39,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:46:39,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:46:39,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:46:39,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:46:39,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:46:39,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:46:39,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 22:46:39,413 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:46:39,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:46:39,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:46:39,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:46:39,415 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:46:39,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:46:39,416 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:46:39,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:46:39,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:46:39,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:46:39,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:46:39,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:46:39,417 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 22:46:39,417 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 22:46:39,417 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:46:39,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:46:39,417 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:46:39,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:46:39,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:46:39,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:46:39,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:46:39,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:46:39,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:46:39,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:46:39,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:46:39,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:46:39,419 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 22:46:39,420 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 22:46:39,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:46:39,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:46:39,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 22:46:39,420 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbabbac29d53fb5c08c994976f0cc24cf1493748 [2020-10-24 22:46:39,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:46:39,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:46:39,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:46:39,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:46:39,887 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:46:39,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-10-24 22:46:39,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/348e79ba1/6881548e69ae408a9311b77ef9b19149/FLAG9966caed6 [2020-10-24 22:46:40,657 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:46:40,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-10-24 22:46:40,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/348e79ba1/6881548e69ae408a9311b77ef9b19149/FLAG9966caed6 [2020-10-24 22:46:41,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/348e79ba1/6881548e69ae408a9311b77ef9b19149 [2020-10-24 22:46:41,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:46:41,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:46:41,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:46:41,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:46:41,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:46:41,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdfccd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41, skipping insertion in model container [2020-10-24 22:46:41,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:46:41,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:46:41,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:46:41,338 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 22:46:41,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:46:41,378 INFO L208 MainTranslator]: Completed translation [2020-10-24 22:46:41,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41 WrapperNode [2020-10-24 22:46:41,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 22:46:41,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 22:46:41,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 22:46:41,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 22:46:41,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 22:46:41,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 22:46:41,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 22:46:41,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 22:46:41,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (1/1) ... [2020-10-24 22:46:41,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 22:46:41,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 22:46:41,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 22:46:41,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 22:46:41,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:46:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 22:46:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 22:46:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 22:46:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 22:46:46,169 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 22:46:46,172 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-24 22:46:46,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:46:46 BoogieIcfgContainer [2020-10-24 22:46:46,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 22:46:46,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 22:46:46,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 22:46:46,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 22:46:46,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:46:41" (1/3) ... [2020-10-24 22:46:46,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3329fac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:46:46, skipping insertion in model container [2020-10-24 22:46:46,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:46:41" (2/3) ... [2020-10-24 22:46:46,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3329fac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:46:46, skipping insertion in model container [2020-10-24 22:46:46,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:46:46" (3/3) ... [2020-10-24 22:46:46,189 INFO L111 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c.v+cfa-reducer.c [2020-10-24 22:46:46,203 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 22:46:46,208 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 22:46:46,223 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 22:46:46,254 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 22:46:46,254 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 22:46:46,254 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 22:46:46,255 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 22:46:46,255 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 22:46:46,260 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 22:46:46,261 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 22:46:46,261 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 22:46:46,277 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-10-24 22:46:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 22:46:46,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:46:46,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:46:46,285 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:46:46,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:46:46,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1949357366, now seen corresponding path program 1 times [2020-10-24 22:46:46,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:46:46,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478869818] [2020-10-24 22:46:46,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 22:46:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:46:46,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 22:46:46,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:46:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:46:46,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 22:46:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:46:46,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478869818] [2020-10-24 22:46:46,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:46:46,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 22:46:46,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184295202] [2020-10-24 22:46:46,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 22:46:46,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 22:46:46,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 22:46:46,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-24 22:46:46,933 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2020-10-24 22:46:47,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:46:47,033 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-10-24 22:46:47,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 22:46:47,036 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-10-24 22:46:47,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:46:47,050 INFO L225 Difference]: With dead ends: 31 [2020-10-24 22:46:47,050 INFO L226 Difference]: Without dead ends: 14 [2020-10-24 22:46:47,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-24 22:46:47,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-24 22:46:47,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-24 22:46:47,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-24 22:46:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-10-24 22:46:47,094 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2020-10-24 22:46:47,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:46:47,095 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-10-24 22:46:47,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 22:46:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-10-24 22:46:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 22:46:47,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:46:47,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:46:47,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 22:46:47,311 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:46:47,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:46:47,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1930440081, now seen corresponding path program 1 times [2020-10-24 22:46:47,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:46:47,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146343697] [2020-10-24 22:46:47,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 22:46:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:46:47,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 22:46:47,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:46:49,846 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from false [2020-10-24 22:46:58,036 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) is different from false [2020-10-24 22:47:00,070 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) is different from true [2020-10-24 22:47:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:47:12,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 22:47:14,477 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)) is different from false [2020-10-24 22:47:17,178 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)))) is different from false [2020-10-24 22:47:19,228 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)))) is different from true [2020-10-24 22:47:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:47:19,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146343697] [2020-10-24 22:47:19,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:47:19,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2020-10-24 22:47:19,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8870637] [2020-10-24 22:47:19,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 22:47:19,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 22:47:19,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 22:47:19,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=14, Unknown=6, NotChecked=36, Total=72 [2020-10-24 22:47:19,238 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 9 states. [2020-10-24 22:47:21,297 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53))))) is different from false [2020-10-24 22:47:42,419 WARN L193 SmtUtils]: Spent 13.65 s on a formula simplification that was a NOOP. DAG size: 12 [2020-10-24 22:47:58,625 WARN L193 SmtUtils]: Spent 7.09 s on a formula simplification that was a NOOP. DAG size: 16 [2020-10-24 22:48:03,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:48:03,536 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2020-10-24 22:48:03,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 22:48:03,537 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-10-24 22:48:03,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:48:03,538 INFO L225 Difference]: With dead ends: 21 [2020-10-24 22:48:03,538 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 22:48:03,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 48.8s TimeCoverageRelationStatistics Valid=27, Invalid=26, Unknown=9, NotChecked=70, Total=132 [2020-10-24 22:48:03,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 22:48:03,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-24 22:48:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-24 22:48:03,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2020-10-24 22:48:03,548 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2020-10-24 22:48:03,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:48:03,551 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2020-10-24 22:48:03,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 22:48:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-10-24 22:48:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 22:48:03,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:48:03,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:48:03,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 22:48:03,766 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:48:03,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:48:03,768 INFO L82 PathProgramCache]: Analyzing trace with hash -123235692, now seen corresponding path program 1 times [2020-10-24 22:48:03,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:48:03,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727275662] [2020-10-24 22:48:03,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 22:48:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:48:04,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-24 22:48:04,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:48:07,432 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from true [2020-10-24 22:48:14,192 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (not (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from false [2020-10-24 22:48:16,397 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (not (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from true [2020-10-24 22:48:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:48:29,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 22:48:40,084 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 8 [2020-10-24 22:48:46,846 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from false [2020-10-24 22:48:49,110 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from true [2020-10-24 22:48:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:48:53,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727275662] [2020-10-24 22:48:53,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:48:53,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2020-10-24 22:48:53,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250665188] [2020-10-24 22:48:53,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 22:48:53,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 22:48:53,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 22:48:53,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=11, Unknown=8, NotChecked=24, Total=56 [2020-10-24 22:48:53,621 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 8 states. [2020-10-24 22:48:55,892 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (forall ((currentRoundingMode RoundingMode)) (fp.geq (fp.div currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from true [2020-10-24 22:49:12,637 WARN L193 SmtUtils]: Spent 9.99 s on a formula simplification that was a NOOP. DAG size: 13 [2020-10-24 22:49:27,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:49:27,820 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2020-10-24 22:49:28,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-24 22:49:28,061 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-24 22:49:28,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:49:28,061 INFO L225 Difference]: With dead ends: 21 [2020-10-24 22:49:28,062 INFO L226 Difference]: Without dead ends: 16 [2020-10-24 22:49:28,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.3s TimeCoverageRelationStatistics Valid=18, Invalid=17, Unknown=11, NotChecked=44, Total=90 [2020-10-24 22:49:28,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-24 22:49:28,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2020-10-24 22:49:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-24 22:49:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-10-24 22:49:28,067 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2020-10-24 22:49:28,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:49:28,068 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-10-24 22:49:28,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 22:49:28,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-10-24 22:49:28,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 22:49:28,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:49:28,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:49:28,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 22:49:28,277 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:49:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:49:28,279 INFO L82 PathProgramCache]: Analyzing trace with hash -288146032, now seen corresponding path program 1 times [2020-10-24 22:49:28,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:49:28,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044035335] [2020-10-24 22:49:28,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-24 22:49:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:49:28,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-24 22:49:28,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:49:30,818 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (= c_ULTIMATE.start_main_~main__y~0 (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0) c_ULTIMATE.start_main_~main__x~0)) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) is different from false [2020-10-24 22:49:32,891 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-10-24 22:49:50,710 WARN L193 SmtUtils]: Spent 14.31 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-24 22:49:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:49:54,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 22:50:02,234 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse0 (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) is different from true [2020-10-24 22:50:34,092 WARN L193 SmtUtils]: Spent 10.75 s on a formula simplification that was a NOOP. DAG size: 17 [2020-10-24 22:50:36,159 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (not (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) is different from false [2020-10-24 22:50:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:50:37,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2044035335] [2020-10-24 22:50:37,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:50:37,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2020-10-24 22:50:37,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489631859] [2020-10-24 22:50:37,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 22:50:37,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 22:50:37,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 22:50:37,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=49, Unknown=9, NotChecked=48, Total=132 [2020-10-24 22:50:37,557 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 12 states. [2020-10-24 22:50:45,871 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) is different from false [2020-10-24 22:50:49,486 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (and (let ((.cse0 (fp.add c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse0 (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (= c_ULTIMATE.start_main_~main__y~0 (fp.sub c_currentRoundingMode .cse1 c_ULTIMATE.start_main_~main__x~0)) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from false [2020-10-24 22:50:52,658 WARN L838 $PredicateComparison]: unable to prove that (and (or (not (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53))) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-10-24 22:50:54,735 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-10-24 22:50:55,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:50:55,442 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-10-24 22:50:55,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 22:50:55,508 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-10-24 22:50:55,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:50:55,509 INFO L225 Difference]: With dead ends: 22 [2020-10-24 22:50:55,509 INFO L226 Difference]: Without dead ends: 14 [2020-10-24 22:50:55,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 76.0s TimeCoverageRelationStatistics Valid=34, Invalid=53, Unknown=13, NotChecked=140, Total=240 [2020-10-24 22:50:55,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-24 22:50:55,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-24 22:50:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-24 22:50:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-10-24 22:50:55,513 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2020-10-24 22:50:55,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:50:55,514 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-10-24 22:50:55,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 22:50:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-10-24 22:50:55,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 22:50:55,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:50:55,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:50:55,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 22:50:55,726 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:50:55,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:50:55,727 INFO L82 PathProgramCache]: Analyzing trace with hash -99384821, now seen corresponding path program 1 times [2020-10-24 22:50:55,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:50:55,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444311428] [2020-10-24 22:50:55,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-24 22:50:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:50:56,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-24 22:50:56,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:50:58,515 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse0))))) is different from false [2020-10-24 22:51:13,976 WARN L193 SmtUtils]: Spent 11.50 s on a formula simplification that was a NOOP. DAG size: 15 [2020-10-24 22:51:20,711 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 .cse1))) (and (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~main__x~0 .cse1) (fp.geq .cse0 (_ +zero 11 53)))))) is different from false [2020-10-24 22:51:22,929 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 .cse1))) (and (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~main__x~0 .cse1) (fp.geq .cse0 (_ +zero 11 53)))))) is different from true [2020-10-24 22:51:36,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:51:36,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 22:51:43,278 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) (or (not (fp.geq .cse0 (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) is different from false [2020-10-24 22:51:46,312 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))))) is different from false [2020-10-24 22:51:48,556 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))))) is different from true [2020-10-24 22:51:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 22:51:48,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444311428] [2020-10-24 22:51:48,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:51:48,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2020-10-24 22:51:48,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966722966] [2020-10-24 22:51:48,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 22:51:48,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 22:51:48,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 22:51:48,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=27, Unknown=9, NotChecked=52, Total=110 [2020-10-24 22:51:48,564 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 11 states. [2020-10-24 22:51:50,802 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))))) is different from false [2020-10-24 22:51:53,063 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))))) is different from true [2020-10-24 22:52:31,556 WARN L193 SmtUtils]: Spent 21.01 s on a formula simplification that was a NOOP. DAG size: 16 [2020-10-24 22:52:41,211 WARN L838 $PredicateComparison]: unable to prove that (and (or (not (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53))) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse0))))) is different from false [2020-10-24 22:52:43,502 WARN L838 $PredicateComparison]: unable to prove that (and (or (not (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53))) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse0))))) is different from false [2020-10-24 22:53:01,017 WARN L193 SmtUtils]: Spent 11.06 s on a formula simplification that was a NOOP. DAG size: 18 [2020-10-24 22:53:01,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:53:01,018 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-10-24 22:53:01,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 22:53:01,019 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13 [2020-10-24 22:53:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:53:01,019 INFO L225 Difference]: With dead ends: 14 [2020-10-24 22:53:01,019 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 22:53:01,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 99.5s TimeCoverageRelationStatistics Valid=38, Invalid=43, Unknown=19, NotChecked=140, Total=240 [2020-10-24 22:53:01,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 22:53:01,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 22:53:01,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 22:53:01,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 22:53:01,021 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-24 22:53:01,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:53:01,021 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 22:53:01,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 22:53:01,021 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 22:53:01,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 22:53:01,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-24 22:53:01,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 22:54:30,898 WARN L193 SmtUtils]: Spent 1.49 m on a formula simplification that was a NOOP. DAG size: 44 [2020-10-24 22:54:30,901 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 22:54:30,902 INFO L270 CegarLoopResult]: At program point L64(lines 32 65) the Hoare annotation is: false [2020-10-24 22:54:30,902 INFO L274 CegarLoopResult]: For program point L27(lines 27 71) no Hoare annotation was computed. [2020-10-24 22:54:30,902 INFO L274 CegarLoopResult]: For program point L21(lines 21 81) no Hoare annotation was computed. [2020-10-24 22:54:30,902 INFO L277 CegarLoopResult]: At program point L85(lines 13 87) the Hoare annotation is: true [2020-10-24 22:54:30,902 INFO L274 CegarLoopResult]: For program point L19(lines 19 86) no Hoare annotation was computed. [2020-10-24 22:54:30,902 INFO L274 CegarLoopResult]: For program point L34(lines 34 60) no Hoare annotation was computed. [2020-10-24 22:54:30,902 INFO L274 CegarLoopResult]: For program point L32(lines 32 65) no Hoare annotation was computed. [2020-10-24 22:54:30,902 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 22:54:30,902 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 22:54:30,903 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 22:54:30,903 INFO L270 CegarLoopResult]: At program point L59(lines 34 60) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start_main_~main____CPAchecker_TMP_1~0) [2020-10-24 22:54:30,903 INFO L274 CegarLoopResult]: For program point L24(lines 24 76) no Hoare annotation was computed. [2020-10-24 22:54:30,903 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-24 22:54:30,903 INFO L274 CegarLoopResult]: For program point L43(lines 43 52) no Hoare annotation was computed. [2020-10-24 22:54:30,905 INFO L270 CegarLoopResult]: At program point L70(lines 27 71) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (fp.leq ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) currentRoundingMode 105.0))) (.cse2 (let ((.cse5 (fp.geq ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)))) (or (and .cse5 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))))) (and .cse5 (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ULTIMATE.start_main_~main__y~0) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))))))))) (or (and .cse0 (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) .cse1 .cse2 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode 10.0))) (and (= ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse3)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse3))))) (and .cse0 .cse1 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse4 (fp.mul currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub currentRoundingMode .cse4 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)))) (= (fp.add currentRoundingMode .cse4 ((_ to_fp 11 53) currentRoundingMode 2.0)) ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))))) .cse2))) [2020-10-24 22:54:30,905 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-24 22:54:30,906 INFO L274 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-10-24 22:54:30,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,923 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:30,923 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:30,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:30,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:30,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:30,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:30,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:30,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:30,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:30,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:30,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:30,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:54:30 BoogieIcfgContainer [2020-10-24 22:54:30,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 22:54:30,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 22:54:30,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 22:54:30,952 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 22:54:30,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:46:46" (3/4) ... [2020-10-24 22:54:30,957 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 22:54:30,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-24 22:54:30,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-24 22:54:30,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 22:54:30,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 22:54:31,007 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.leq~DOUBLE(main__x, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && ((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) || ((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))))) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: main__y == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)))) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ((!~fp.geq~DOUBLE(~fp.sub~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 0bv32)) && ~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)) == main__y) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && ((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) || ((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))))) [2020-10-24 22:54:31,026 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 22:54:31,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 22:54:31,029 INFO L168 Benchmark]: Toolchain (without parser) took 469999.73 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 24.2 MB in the beginning and 24.1 MB in the end (delta: 148.0 kB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-10-24 22:54:31,030 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 46.1 MB. Free memory was 26.4 MB in the beginning and 26.4 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:54:31,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.88 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 24.6 MB in the end (delta: -1.0 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-10-24 22:54:31,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.63 ms. Allocated memory is still 46.1 MB. Free memory was 24.6 MB in the beginning and 23.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 22:54:31,032 INFO L168 Benchmark]: Boogie Preprocessor took 31.59 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 21.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 22:54:31,033 INFO L168 Benchmark]: RCFGBuilder took 4718.31 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 21.8 MB in the beginning and 32.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-10-24 22:54:31,034 INFO L168 Benchmark]: TraceAbstraction took 464770.77 ms. Allocated memory is still 58.7 MB. Free memory was 32.2 MB in the beginning and 26.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-24 22:54:31,034 INFO L168 Benchmark]: Witness Printer took 75.43 ms. Allocated memory is still 58.7 MB. Free memory was 26.6 MB in the beginning and 24.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 22:54:31,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 46.1 MB. Free memory was 26.4 MB in the beginning and 26.4 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 343.88 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 24.6 MB in the end (delta: -1.0 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.63 ms. Allocated memory is still 46.1 MB. Free memory was 24.6 MB in the beginning and 23.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.59 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 21.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4718.31 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 21.8 MB in the beginning and 32.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 464770.77 ms. Allocated memory is still 58.7 MB. Free memory was 32.2 MB in the beginning and 26.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Witness Printer took 75.43 ms. Allocated memory is still 58.7 MB. Free memory was 26.6 MB in the beginning and 24.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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,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,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,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,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,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,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,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,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,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,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,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,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,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,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,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,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,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,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,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,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,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,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,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,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,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,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1bv32 == main____CPAchecker_TMP_1 - InvariantResult [Line: 27]: Loop Invariant [2020-10-24 22:54:31,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:31,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:31,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:31,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:31,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:31,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:31,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:31,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-24 22:54:31,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,095 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 22:54:31,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-10-24 22:54:31,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 22:54:31,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.leq~DOUBLE(main__x, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && ((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) || ((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))))) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: main__y == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)))) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ((!~fp.geq~DOUBLE(~fp.sub~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 0bv32)) && ~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)) == main__y) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) && ((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) || ((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 374.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 169.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 89.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 49 SDtfs, 23 SDslu, 141 SDs, 0 SdLazy, 50 SolverSat, 2 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 37.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 23 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 265.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, 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, 9 NumberOfFragments, 159 HoareAnnotationTreeSize, 4 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 89.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 202.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 32 QuantifiedInterpolants, 11616 SizeOfPredicates, 19 NumberOfNonLiveVariables, 198 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...