./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0682b.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-newlib/double_req_bl_0682b.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 37fbf0da8e0b6ff3b926d9957e6bddb594e87706 .................................................................................................................................................................................................................................................................................................................................................................................................. 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-newlib/double_req_bl_0682b.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 37fbf0da8e0b6ff3b926d9957e6bddb594e87706 ....................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:10:23,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:10:23,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:10:23,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:10:23,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:10:23,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:10:23,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:10:23,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:10:23,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:10:23,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:10:23,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:10:23,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:10:23,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:10:23,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:10:23,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:10:23,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:10:23,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:10:23,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:10:23,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:10:23,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:10:23,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:10:23,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:10:23,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:10:23,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:10:23,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:10:23,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:10:23,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:10:23,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:10:23,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:10:23,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:10:23,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:10:23,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:10:23,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:10:23,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:10:23,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:10:23,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:10:23,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:10:23,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:10:23,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:10:23,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:10:23,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:10:23,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:10:23,732 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:10:23,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:10:23,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:10:23,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:10:23,735 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:10:23,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:10:23,735 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:10:23,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:10:23,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:10:23,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:10:23,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:10:23,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:10:23,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:10:23,737 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:10:23,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:10:23,738 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:10:23,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:10:23,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:10:23,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:10:23,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:10:23,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:10:23,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:10:23,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:10:23,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:10:23,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:10:23,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:10:23,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:10:23,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:10:23,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:10:23,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37fbf0da8e0b6ff3b926d9957e6bddb594e87706 [2020-10-24 23:10:24,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:10:24,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:10:24,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:10:24,141 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:10:24,142 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:10:24,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2020-10-24 23:10:24,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99824cc2e/519d51a1f7aa4b8990010463deb0fcca/FLAGb8887e044 [2020-10-24 23:10:24,810 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:10:24,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2020-10-24 23:10:24,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99824cc2e/519d51a1f7aa4b8990010463deb0fcca/FLAGb8887e044 [2020-10-24 23:10:25,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99824cc2e/519d51a1f7aa4b8990010463deb0fcca [2020-10-24 23:10:25,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:10:25,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:10:25,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:10:25,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:10:25,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:10:25,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44735123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25, skipping insertion in model container [2020-10-24 23:10:25,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:10:25,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:10:25,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:10:25,506 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:10:25,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:10:25,623 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:10:25,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25 WrapperNode [2020-10-24 23:10:25,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:10:25,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:10:25,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:10:25,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:10:25,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:10:25,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:10:25,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:10:25,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:10:25,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (1/1) ... [2020-10-24 23:10:25,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:10:25,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:10:25,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:10:25,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:10:25,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (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 23:10:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:10:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:10:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:10:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:10:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:10:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:10:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:10:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:10:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:10:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:10:26,979 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:10:26,980 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-24 23:10:26,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:10:26 BoogieIcfgContainer [2020-10-24 23:10:26,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:10:26,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:10:26,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:10:26,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:10:26,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:10:25" (1/3) ... [2020-10-24 23:10:26,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b72849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:10:26, skipping insertion in model container [2020-10-24 23:10:26,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:25" (2/3) ... [2020-10-24 23:10:26,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b72849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:10:26, skipping insertion in model container [2020-10-24 23:10:26,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:10:26" (3/3) ... [2020-10-24 23:10:26,991 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2020-10-24 23:10:27,003 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:10:27,009 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:10:27,021 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:10:27,050 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:10:27,050 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:10:27,051 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:10:27,051 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:10:27,051 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:10:27,051 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:10:27,051 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:10:27,052 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:10:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-24 23:10:27,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-24 23:10:27,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:10:27,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:10:27,078 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:10:27,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:10:27,085 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-10-24 23:10:27,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:10:27,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864112431] [2020-10-24 23:10:27,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:10:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:10:27,272 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 23:10:27,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864112431] [2020-10-24 23:10:27,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:10:27,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:10:27,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547670026] [2020-10-24 23:10:27,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:10:27,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:10:27,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:10:27,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:10:27,298 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-24 23:10:27,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:10:27,334 INFO L93 Difference]: Finished difference Result 247 states and 413 transitions. [2020-10-24 23:10:27,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:10:27,336 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-24 23:10:27,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:10:27,349 INFO L225 Difference]: With dead ends: 247 [2020-10-24 23:10:27,349 INFO L226 Difference]: Without dead ends: 120 [2020-10-24 23:10:27,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:10:27,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-24 23:10:27,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-24 23:10:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-24 23:10:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-10-24 23:10:27,409 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-10-24 23:10:27,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:10:27,409 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-10-24 23:10:27,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:10:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-10-24 23:10:27,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-24 23:10:27,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:10:27,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:10:27,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:10:27,412 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:10:27,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:10:27,413 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-10-24 23:10:27,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:10:27,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537917883] [2020-10-24 23:10:27,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:10:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:10:27,540 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 23:10:27,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537917883] [2020-10-24 23:10:27,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:10:27,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-24 23:10:27,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041703652] [2020-10-24 23:10:27,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-24 23:10:27,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:10:27,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-24 23:10:27,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 23:10:27,553 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-10-24 23:10:27,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:10:27,583 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-10-24 23:10:27,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 23:10:27,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-24 23:10:27,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:10:27,586 INFO L225 Difference]: With dead ends: 229 [2020-10-24 23:10:27,587 INFO L226 Difference]: Without dead ends: 120 [2020-10-24 23:10:27,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 23:10:27,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-24 23:10:27,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-24 23:10:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-24 23:10:27,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-10-24 23:10:27,600 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-10-24 23:10:27,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:10:27,601 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-10-24 23:10:27,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-24 23:10:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-10-24 23:10:27,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-24 23:10:27,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:10:27,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:10:27,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:10:27,606 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:10:27,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:10:27,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-10-24 23:10:27,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:10:27,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467119408] [2020-10-24 23:10:27,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:10:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:10:27,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:10:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:10:27,962 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:10:27,998 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:10:27,999 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:10:27,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 23:10:28,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:10:28 BoogieIcfgContainer [2020-10-24 23:10:28,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:10:28,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:10:28,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:10:28,061 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:10:28,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:10:26" (3/4) ... [2020-10-24 23:10:28,066 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:10:28,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:10:28,069 INFO L168 Benchmark]: Toolchain (without parser) took 2908.09 ms. Allocated memory was 44.0 MB in the beginning and 81.8 MB in the end (delta: 37.7 MB). Free memory was 20.5 MB in the beginning and 49.2 MB in the end (delta: -28.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:28,069 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 44.0 MB. Free memory is still 23.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:10:28,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.77 ms. Allocated memory is still 54.5 MB. Free memory was 39.4 MB in the beginning and 37.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:28,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.81 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 33.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:28,075 INFO L168 Benchmark]: Boogie Preprocessor took 70.98 ms. Allocated memory is still 54.5 MB. Free memory was 33.2 MB in the beginning and 29.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:28,077 INFO L168 Benchmark]: RCFGBuilder took 1195.84 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.6 MB in the beginning and 44.2 MB in the end (delta: -14.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:28,079 INFO L168 Benchmark]: TraceAbstraction took 1076.32 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 43.8 MB in the beginning and 49.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:10:28,081 INFO L168 Benchmark]: Witness Printer took 5.30 ms. Allocated memory is still 81.8 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:10:28,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 44.0 MB. Free memory is still 23.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 448.77 ms. Allocated memory is still 54.5 MB. Free memory was 39.4 MB in the beginning and 37.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.81 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 33.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.98 ms. Allocated memory is still 54.5 MB. Free memory was 33.2 MB in the beginning and 29.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1195.84 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.6 MB in the beginning and 44.2 MB in the end (delta: -14.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1076.32 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 43.8 MB in the beginning and 49.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.30 ms. Allocated memory is still 81.8 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 286. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != pi VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "double_req_bl_0682b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 23:10:30,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:10:30,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:10:30,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:10:30,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:10:30,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:10:30,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:10:30,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:10:30,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:10:30,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:10:30,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:10:30,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:10:30,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:10:30,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:10:30,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:10:30,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:10:30,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:10:30,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:10:30,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:10:30,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:10:30,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:10:30,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:10:30,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:10:30,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:10:30,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:10:30,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:10:30,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:10:30,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:10:30,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:10:30,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:10:30,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:10:30,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:10:30,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:10:30,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:10:30,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:10:30,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:10:30,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:10:30,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:10:30,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:10:30,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:10:30,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:10:30,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:10:30,891 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:10:30,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:10:30,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:10:30,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:10:30,893 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:10:30,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:10:30,894 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:10:30,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:10:30,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:10:30,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:10:30,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:10:30,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:10:30,896 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:10:30,896 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:10:30,896 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:10:30,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:10:30,897 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:10:30,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:10:30,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:10:30,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:10:30,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:10:30,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:10:30,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:10:30,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:10:30,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:10:30,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:10:30,899 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:10:30,899 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:10:30,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:10:30,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:10:30,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:10:30,900 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37fbf0da8e0b6ff3b926d9957e6bddb594e87706 [2020-10-24 23:10:31,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:10:31,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:10:31,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:10:31,334 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:10:31,334 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:10:31,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2020-10-24 23:10:31,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5d02b4e4/2f5629d27d164f5b96f62a02b76ca833/FLAG566a539bf [2020-10-24 23:10:32,006 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:10:32,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2020-10-24 23:10:32,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5d02b4e4/2f5629d27d164f5b96f62a02b76ca833/FLAG566a539bf [2020-10-24 23:10:32,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5d02b4e4/2f5629d27d164f5b96f62a02b76ca833 [2020-10-24 23:10:32,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:10:32,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:10:32,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:10:32,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:10:32,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:10:32,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:10:32" (1/1) ... [2020-10-24 23:10:32,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f55fe99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:32, skipping insertion in model container [2020-10-24 23:10:32,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:10:32" (1/1) ... [2020-10-24 23:10:32,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:10:32,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:10:32,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:10:32,918 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:10:33,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:10:33,081 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:10:33,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33 WrapperNode [2020-10-24 23:10:33,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:10:33,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:10:33,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:10:33,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:10:33,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (1/1) ... [2020-10-24 23:10:33,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (1/1) ... [2020-10-24 23:10:33,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:10:33,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:10:33,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:10:33,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:10:33,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (1/1) ... [2020-10-24 23:10:33,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (1/1) ... [2020-10-24 23:10:33,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (1/1) ... [2020-10-24 23:10:33,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (1/1) ... [2020-10-24 23:10:33,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (1/1) ... [2020-10-24 23:10:33,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (1/1) ... [2020-10-24 23:10:33,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (1/1) ... [2020-10-24 23:10:33,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:10:33,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:10:33,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:10:33,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:10:33,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (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 23:10:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:10:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:10:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:10:33,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:10:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:10:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:10:33,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:10:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:10:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:10:33,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:11:11,501 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:11:11,501 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-24 23:11:11,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:11 BoogieIcfgContainer [2020-10-24 23:11:11,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:11:11,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:11:11,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:11:11,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:11:11,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:10:32" (1/3) ... [2020-10-24 23:11:11,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba74ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:11, skipping insertion in model container [2020-10-24 23:11:11,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:33" (2/3) ... [2020-10-24 23:11:11,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba74ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:11, skipping insertion in model container [2020-10-24 23:11:11,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:11" (3/3) ... [2020-10-24 23:11:11,518 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2020-10-24 23:11:11,531 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:11:11,537 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:11:11,551 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:11:11,585 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:11:11,585 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:11:11,585 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:11:11,586 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:11:11,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:11:11,586 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:11:11,586 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:11:11,586 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:11:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-24 23:11:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-24 23:11:11,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:11,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:11,611 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:11,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:11,616 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2020-10-24 23:11:11,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:11:11,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510309517] [2020-10-24 23:11:11,630 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 23:11:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:11:12,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:11:12,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:11:12,143 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 23:11:12,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:11:12,149 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 23:11:12,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510309517] [2020-10-24 23:11:12,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:11:12,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:11:12,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846608643] [2020-10-24 23:11:12,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:11:12,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:11:12,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:11:12,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:11:12,175 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-24 23:11:12,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:11:12,211 INFO L93 Difference]: Finished difference Result 247 states and 413 transitions. [2020-10-24 23:11:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:11:12,213 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-24 23:11:12,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:11:12,225 INFO L225 Difference]: With dead ends: 247 [2020-10-24 23:11:12,226 INFO L226 Difference]: Without dead ends: 120 [2020-10-24 23:11:12,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:11:12,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-24 23:11:12,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-24 23:11:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-24 23:11:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2020-10-24 23:11:12,280 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2020-10-24 23:11:12,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:11:12,280 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2020-10-24 23:11:12,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:11:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2020-10-24 23:11:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-24 23:11:12,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:12,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:12,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:11:12,508 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:12,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:12,510 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2020-10-24 23:11:12,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:11:12,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182305833] [2020-10-24 23:11:12,511 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 23:11:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:11:13,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-24 23:11:13,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:11:13,137 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 23:11:13,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:11:13,140 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 23:11:13,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182305833] [2020-10-24 23:11:13,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:11:13,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-24 23:11:13,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779616913] [2020-10-24 23:11:13,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-24 23:11:13,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:11:13,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-24 23:11:13,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 23:11:13,145 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2020-10-24 23:11:13,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:11:13,223 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2020-10-24 23:11:13,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 23:11:13,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-24 23:11:13,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:11:13,227 INFO L225 Difference]: With dead ends: 229 [2020-10-24 23:11:13,227 INFO L226 Difference]: Without dead ends: 120 [2020-10-24 23:11:13,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 23:11:13,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-24 23:11:13,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-24 23:11:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-24 23:11:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2020-10-24 23:11:13,241 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2020-10-24 23:11:13,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:11:13,242 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2020-10-24 23:11:13,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-24 23:11:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2020-10-24 23:11:13,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-24 23:11:13,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:13,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:13,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:11:13,459 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:13,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:13,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2020-10-24 23:11:13,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:11:13,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280964872] [2020-10-24 23:11:13,462 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 23:11:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:11:14,429 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:11:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:11:15,281 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:11:15,442 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:11:15,443 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:11:15,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:11:15,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:11:15 BoogieIcfgContainer [2020-10-24 23:11:15,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:11:15,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:11:15,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:11:15,780 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:11:15,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:11" (3/4) ... [2020-10-24 23:11:15,784 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:11:15,951 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:11:15,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:11:15,954 INFO L168 Benchmark]: Toolchain (without parser) took 43605.82 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.3 MB in the beginning and 29.4 MB in the end (delta: -1.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:15,955 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 41.9 MB. Free memory was 21.3 MB in the beginning and 21.3 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:11:15,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.63 ms. Allocated memory is still 52.4 MB. Free memory was 27.7 MB in the beginning and 24.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:15,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.44 ms. Allocated memory is still 52.4 MB. Free memory was 24.3 MB in the beginning and 32.9 MB in the end (delta: -8.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:15,956 INFO L168 Benchmark]: Boogie Preprocessor took 94.65 ms. Allocated memory is still 52.4 MB. Free memory was 32.9 MB in the beginning and 28.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:15,957 INFO L168 Benchmark]: RCFGBuilder took 38234.20 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.9 MB in the beginning and 40.6 MB in the end (delta: -11.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:15,957 INFO L168 Benchmark]: TraceAbstraction took 4273.05 ms. Allocated memory is still 65.0 MB. Free memory was 40.0 MB in the beginning and 35.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:15,958 INFO L168 Benchmark]: Witness Printer took 172.61 ms. Allocated memory is still 65.0 MB. Free memory was 35.7 MB in the beginning and 29.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:15,964 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 41.9 MB. Free memory was 21.3 MB in the beginning and 21.3 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 726.63 ms. Allocated memory is still 52.4 MB. Free memory was 27.7 MB in the beginning and 24.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.44 ms. Allocated memory is still 52.4 MB. Free memory was 24.3 MB in the beginning and 32.9 MB in the end (delta: -8.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.65 ms. Allocated memory is still 52.4 MB. Free memory was 32.9 MB in the beginning and 28.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 38234.20 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.9 MB in the beginning and 40.6 MB in the end (delta: -11.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4273.05 ms. Allocated memory is still 65.0 MB. Free memory was 40.0 MB in the beginning and 35.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * Witness Printer took 172.61 ms. Allocated memory is still 65.0 MB. Free memory was 35.7 MB in the beginning and 29.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L281] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L281] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != pi VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0682b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...