./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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/filter2.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 e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 06:29:25,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 06:29:25,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 06:29:25,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 06:29:25,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 06:29:25,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 06:29:25,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 06:29:25,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 06:29:25,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 06:29:25,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 06:29:25,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 06:29:25,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 06:29:25,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 06:29:25,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 06:29:25,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 06:29:25,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 06:29:25,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 06:29:25,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 06:29:25,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 06:29:25,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 06:29:25,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 06:29:25,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 06:29:25,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 06:29:25,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 06:29:25,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 06:29:25,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 06:29:25,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 06:29:25,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 06:29:25,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 06:29:25,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 06:29:25,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 06:29:25,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 06:29:25,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 06:29:25,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 06:29:25,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 06:29:25,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 06:29:25,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 06:29:25,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 06:29:25,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 06:29:25,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 06:29:25,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 06:29:25,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 06:29:25,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 06:29:25,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 06:29:25,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 06:29:25,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 06:29:25,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 06:29:25,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 06:29:25,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 06:29:25,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 06:29:25,228 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 06:29:25,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 06:29:25,229 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 06:29:25,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 06:29:25,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 06:29:25,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 06:29:25,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 06:29:25,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 06:29:25,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 06:29:25,230 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 06:29:25,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 06:29:25,230 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 06:29:25,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 06:29:25,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 06:29:25,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 06:29:25,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 06:29:25,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 06:29:25,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 06:29:25,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 06:29:25,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 06:29:25,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 06:29:25,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 06:29:25,232 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 06:29:25,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 06:29:25,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 06:29:25,233 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 06:29:25,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 [2021-12-17 06:29:25,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 06:29:25,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 06:29:25,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 06:29:25,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 06:29:25,461 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 06:29:25,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2.c [2021-12-17 06:29:25,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/847ec4501/bde778a4839f463f98ec77eaedc949fa/FLAG9f17ea6c7 [2021-12-17 06:29:25,877 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 06:29:25,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c [2021-12-17 06:29:25,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/847ec4501/bde778a4839f463f98ec77eaedc949fa/FLAG9f17ea6c7 [2021-12-17 06:29:25,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/847ec4501/bde778a4839f463f98ec77eaedc949fa [2021-12-17 06:29:25,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 06:29:25,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 06:29:25,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 06:29:25,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 06:29:25,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 06:29:25,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 06:29:25" (1/1) ... [2021-12-17 06:29:25,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e9ef40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:25, skipping insertion in model container [2021-12-17 06:29:25,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 06:29:25" (1/1) ... [2021-12-17 06:29:25,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 06:29:25,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 06:29:26,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2021-12-17 06:29:26,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 06:29:26,081 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 06:29:26,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2021-12-17 06:29:26,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 06:29:26,102 INFO L208 MainTranslator]: Completed translation [2021-12-17 06:29:26,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26 WrapperNode [2021-12-17 06:29:26,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 06:29:26,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 06:29:26,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 06:29:26,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 06:29:26,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (1/1) ... [2021-12-17 06:29:26,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (1/1) ... [2021-12-17 06:29:26,125 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2021-12-17 06:29:26,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 06:29:26,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 06:29:26,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 06:29:26,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 06:29:26,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (1/1) ... [2021-12-17 06:29:26,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (1/1) ... [2021-12-17 06:29:26,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (1/1) ... [2021-12-17 06:29:26,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (1/1) ... [2021-12-17 06:29:26,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (1/1) ... [2021-12-17 06:29:26,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (1/1) ... [2021-12-17 06:29:26,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (1/1) ... [2021-12-17 06:29:26,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 06:29:26,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 06:29:26,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 06:29:26,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 06:29:26,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (1/1) ... [2021-12-17 06:29:26,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 06:29:26,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 06:29:26,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 06:29:26,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 06:29:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 06:29:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-17 06:29:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-17 06:29:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 06:29:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 06:29:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 06:29:26,231 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 06:29:26,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 06:29:26,305 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 06:29:26,309 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 06:29:26,309 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 06:29:26,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:29:26 BoogieIcfgContainer [2021-12-17 06:29:26,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 06:29:26,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 06:29:26,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 06:29:26,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 06:29:26,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 06:29:25" (1/3) ... [2021-12-17 06:29:26,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680925e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 06:29:26, skipping insertion in model container [2021-12-17 06:29:26,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:26" (2/3) ... [2021-12-17 06:29:26,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680925e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 06:29:26, skipping insertion in model container [2021-12-17 06:29:26,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:29:26" (3/3) ... [2021-12-17 06:29:26,317 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2.c [2021-12-17 06:29:26,321 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 06:29:26,321 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 06:29:26,353 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 06:29:26,358 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 06:29:26,358 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 06:29:26,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 06:29:26,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-17 06:29:26,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 06:29:26,374 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 06:29:26,374 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 06:29:26,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 06:29:26,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1602622425, now seen corresponding path program 1 times [2021-12-17 06:29:26,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 06:29:26,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942535856] [2021-12-17 06:29:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 06:29:26,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 06:29:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 06:29:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 06:29:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 06:29:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-17 06:29:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 06:29:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 06:29:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 06:29:26,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-17 06:29:26,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 06:29:26,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942535856] [2021-12-17 06:29:26,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942535856] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 06:29:26,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 06:29:26,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 06:29:26,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991501110] [2021-12-17 06:29:26,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 06:29:26,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 06:29:26,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 06:29:26,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 06:29:26,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 06:29:26,644 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 06:29:26,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 06:29:26,660 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2021-12-17 06:29:26,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 06:29:26,663 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2021-12-17 06:29:26,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 06:29:26,668 INFO L225 Difference]: With dead ends: 39 [2021-12-17 06:29:26,668 INFO L226 Difference]: Without dead ends: 17 [2021-12-17 06:29:26,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 06:29:26,676 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 06:29:26,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 06:29:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-12-17 06:29:26,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-17 06:29:26,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 06:29:26,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-12-17 06:29:26,710 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 22 [2021-12-17 06:29:26,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 06:29:26,711 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-17 06:29:26,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 06:29:26,711 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-12-17 06:29:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-17 06:29:26,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 06:29:26,714 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 06:29:26,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 06:29:26,715 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 06:29:26,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 06:29:26,716 INFO L85 PathProgramCache]: Analyzing trace with hash 168652453, now seen corresponding path program 1 times [2021-12-17 06:29:26,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 06:29:26,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600867061] [2021-12-17 06:29:26,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 06:29:26,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 06:29:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 06:29:26,749 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 06:29:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 06:29:26,796 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 06:29:26,797 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 06:29:26,800 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 06:29:26,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 06:29:26,807 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-17 06:29:26,809 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 06:29:26,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 06:29:26 BoogieIcfgContainer [2021-12-17 06:29:26,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 06:29:26,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 06:29:26,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 06:29:26,835 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 06:29:26,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:29:26" (3/4) ... [2021-12-17 06:29:26,837 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-17 06:29:26,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 06:29:26,839 INFO L158 Benchmark]: Toolchain (without parser) took 929.12ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 73.8MB in the beginning and 75.4MB in the end (delta: -1.6MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2021-12-17 06:29:26,839 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 06:29:26,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.63ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 73.4MB in the beginning and 113.8MB in the end (delta: -40.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 06:29:26,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.00ms. Allocated memory is still 138.4MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 06:29:26,844 INFO L158 Benchmark]: Boogie Preprocessor took 14.09ms. Allocated memory is still 138.4MB. Free memory was 112.5MB in the beginning and 111.7MB in the end (delta: 747.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 06:29:26,844 INFO L158 Benchmark]: RCFGBuilder took 169.87ms. Allocated memory is still 138.4MB. Free memory was 111.7MB in the beginning and 101.9MB in the end (delta: 9.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 06:29:26,844 INFO L158 Benchmark]: TraceAbstraction took 521.83ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 76.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-17 06:29:26,845 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 138.4MB. Free memory was 76.1MB in the beginning and 75.4MB in the end (delta: 672.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 06:29:26,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.63ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 73.4MB in the beginning and 113.8MB in the end (delta: -40.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.00ms. Allocated memory is still 138.4MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.09ms. Allocated memory is still 138.4MB. Free memory was 112.5MB in the beginning and 111.7MB in the end (delta: 747.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 169.87ms. Allocated memory is still 138.4MB. Free memory was 111.7MB in the beginning and 101.9MB in the end (delta: 9.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 521.83ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 76.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 138.4MB. Free memory was 76.1MB in the beginning and 75.4MB in the end (delta: 672.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 17]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of to_real at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 42. Possible FailurePath: [L22] double E, E0, E1, S0, S1, S; [L23] int i; [L25] E = __VERIFIER_nondet_double() [L26] E0 = __VERIFIER_nondet_double() [L27] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L27] RET assume_abort_if_not(E >= 0. && E <= 1.) [L28] CALL assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L28] RET assume_abort_if_not(E0 >= 0. && E0 <= 1.) [L30] S0 = 0 [L31] S = 0 [L33] i = 0 VAL [i=0] [L33] COND TRUE i <= 1000000 [L34] E1 = E0 [L35] E0 = E [L37] E = __VERIFIER_nondet_double() [L38] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L38] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E=50, E=52, E=49, i=0] [L40] S1 = S0 [L41] S0 = S [L42] S = 0.7*E - E0*1.3 + E1*1.1 + S0*1.4 - S1*0.7 [L44] CALL __VERIFIER_assert(S >= -4. && S <= 4.) [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L17] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-17 06:29:26,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/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/filter2.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 e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 06:29:28,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 06:29:28,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 06:29:28,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 06:29:28,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 06:29:28,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 06:29:28,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 06:29:28,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 06:29:28,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 06:29:28,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 06:29:28,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 06:29:28,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 06:29:28,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 06:29:28,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 06:29:28,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 06:29:28,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 06:29:28,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 06:29:28,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 06:29:28,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 06:29:28,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 06:29:28,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 06:29:28,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 06:29:28,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 06:29:28,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 06:29:28,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 06:29:28,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 06:29:28,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 06:29:28,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 06:29:28,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 06:29:28,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 06:29:28,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 06:29:28,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 06:29:28,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 06:29:28,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 06:29:28,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 06:29:28,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 06:29:28,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 06:29:28,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 06:29:28,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 06:29:28,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 06:29:28,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 06:29:28,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 06:29:28,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 06:29:28,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 06:29:28,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 06:29:28,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 06:29:28,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 06:29:28,621 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 06:29:28,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 06:29:28,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 06:29:28,623 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 06:29:28,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 06:29:28,623 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 06:29:28,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 06:29:28,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 06:29:28,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 06:29:28,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 06:29:28,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 06:29:28,624 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 06:29:28,624 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 06:29:28,625 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 06:29:28,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 06:29:28,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 06:29:28,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 06:29:28,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 06:29:28,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 06:29:28,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 06:29:28,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 06:29:28,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 06:29:28,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 06:29:28,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 06:29:28,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 06:29:28,626 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 06:29:28,626 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 06:29:28,627 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 06:29:28,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 06:29:28,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 06:29:28,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 06:29:28,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 06:29:28,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 [2021-12-17 06:29:28,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 06:29:28,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 06:29:28,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 06:29:28,939 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 06:29:28,940 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 06:29:28,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2.c [2021-12-17 06:29:28,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49dff9d4e/306208d6c80e48878e7cf5e3fbc4fe85/FLAG9cad4d6e1 [2021-12-17 06:29:29,308 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 06:29:29,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c [2021-12-17 06:29:29,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49dff9d4e/306208d6c80e48878e7cf5e3fbc4fe85/FLAG9cad4d6e1 [2021-12-17 06:29:29,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49dff9d4e/306208d6c80e48878e7cf5e3fbc4fe85 [2021-12-17 06:29:29,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 06:29:29,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 06:29:29,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 06:29:29,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 06:29:29,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 06:29:29,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:29,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733ed1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29, skipping insertion in model container [2021-12-17 06:29:29,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:29,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 06:29:29,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 06:29:29,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2021-12-17 06:29:29,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 06:29:29,900 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 06:29:29,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2021-12-17 06:29:29,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 06:29:29,939 INFO L208 MainTranslator]: Completed translation [2021-12-17 06:29:29,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29 WrapperNode [2021-12-17 06:29:29,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 06:29:29,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 06:29:29,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 06:29:29,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 06:29:29,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:29,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:29,981 INFO L137 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2021-12-17 06:29:29,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 06:29:29,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 06:29:29,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 06:29:29,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 06:29:30,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:30,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:30,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:30,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:30,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:30,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:30,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:30,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 06:29:30,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 06:29:30,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 06:29:30,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 06:29:30,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (1/1) ... [2021-12-17 06:29:30,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 06:29:30,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 06:29:30,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 06:29:30,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 06:29:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 06:29:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 06:29:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-17 06:29:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-17 06:29:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 06:29:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 06:29:30,158 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 06:29:30,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 06:29:32,544 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 06:29:32,548 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 06:29:32,548 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 06:29:32,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:29:32 BoogieIcfgContainer [2021-12-17 06:29:32,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 06:29:32,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 06:29:32,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 06:29:32,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 06:29:32,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 06:29:29" (1/3) ... [2021-12-17 06:29:32,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e23f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 06:29:32, skipping insertion in model container [2021-12-17 06:29:32,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 06:29:29" (2/3) ... [2021-12-17 06:29:32,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e23f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 06:29:32, skipping insertion in model container [2021-12-17 06:29:32,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 06:29:32" (3/3) ... [2021-12-17 06:29:32,571 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2.c [2021-12-17 06:29:32,579 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 06:29:32,579 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 06:29:32,609 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 06:29:32,614 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 06:29:32,614 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 06:29:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 06:29:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-17 06:29:32,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 06:29:32,628 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 06:29:32,629 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 06:29:32,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 06:29:32,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1602622425, now seen corresponding path program 1 times [2021-12-17 06:29:32,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 06:29:32,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999051037] [2021-12-17 06:29:32,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 06:29:32,646 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 06:29:32,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 06:29:32,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 06:29:32,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-17 06:29:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 06:29:33,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-17 06:29:33,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 06:29:33,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-17 06:29:33,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 06:29:33,886 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 06:29:33,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999051037] [2021-12-17 06:29:33,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999051037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 06:29:33,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 06:29:33,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 06:29:33,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43986434] [2021-12-17 06:29:33,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 06:29:33,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 06:29:33,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 06:29:33,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 06:29:33,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 06:29:33,920 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-17 06:29:33,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 06:29:33,932 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2021-12-17 06:29:33,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 06:29:33,935 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-12-17 06:29:33,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 06:29:33,940 INFO L225 Difference]: With dead ends: 39 [2021-12-17 06:29:33,941 INFO L226 Difference]: Without dead ends: 17 [2021-12-17 06:29:33,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 06:29:33,945 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 06:29:33,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 06:29:33,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-12-17 06:29:33,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-17 06:29:33,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-17 06:29:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-12-17 06:29:33,971 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 22 [2021-12-17 06:29:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 06:29:33,972 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-17 06:29:33,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-17 06:29:33,972 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-12-17 06:29:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-17 06:29:33,974 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 06:29:33,974 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 06:29:34,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-17 06:29:34,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 06:29:34,180 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 06:29:34,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 06:29:34,182 INFO L85 PathProgramCache]: Analyzing trace with hash 168652453, now seen corresponding path program 1 times [2021-12-17 06:29:34,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 06:29:34,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809167825] [2021-12-17 06:29:34,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 06:29:34,183 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 06:29:34,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 06:29:34,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 06:29:34,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-17 06:29:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 06:29:41,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-17 06:29:41,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 06:41:43,411 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse0) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse0) (let ((.cse3 (let ((.cse6 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 10.0)))) (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse5 |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 13.0 10.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (fp.mul roundNearestTiesToEven .cse6 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 5.0)))) (fp.mul roundNearestTiesToEven .cse6 .cse5)))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (let ((.cse1 (fp.leq .cse3 .cse4)) (.cse2 (fp.geq .cse3 (fp.neg .cse4)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (not .cse1) (not .cse2))) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 .cse2)))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53))))) is different from false [2021-12-17 06:41:45,464 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~E0~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~E~0#1| (_ FloatingPoint 11 53)) (|ULTIMATE.start_main_~E1~0#1| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (fp.geq |ULTIMATE.start_main_~E~0#1| (_ +zero 11 53)) (fp.leq |ULTIMATE.start_main_~E1~0#1| .cse0) (fp.leq |ULTIMATE.start_main_~E0~0#1| .cse0) (let ((.cse3 (let ((.cse6 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 10.0)))) (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse5 |ULTIMATE.start_main_~E~0#1|) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E0~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 13.0 10.0)))) (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~E1~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (fp.mul roundNearestTiesToEven .cse6 ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 5.0)))) (fp.mul roundNearestTiesToEven .cse6 .cse5)))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 4.0))) (let ((.cse1 (fp.leq .cse3 .cse4)) (.cse2 (fp.geq .cse3 (fp.neg .cse4)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (not .cse1) (not .cse2))) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 .cse2)))) (fp.leq |ULTIMATE.start_main_~E~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~E0~0#1| (_ +zero 11 53)) (fp.geq |ULTIMATE.start_main_~E1~0#1| (_ +zero 11 53))))) is different from true Killed by 15