./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_0910a.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b ......................................................................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_0910a.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b .......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-8bd4bc6 [2020-07-28 17:40:23,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:40:23,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:40:23,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:40:23,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:40:23,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:40:23,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:40:23,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:40:23,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:40:23,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:40:23,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:40:23,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:40:23,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:40:23,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:40:23,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:40:23,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:40:23,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:40:23,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:40:23,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:40:23,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:40:23,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:40:23,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:40:23,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:40:23,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:40:23,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:40:23,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:40:23,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:40:23,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:40:23,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:40:23,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:40:23,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:40:23,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:40:23,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:40:23,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:40:23,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:40:23,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:40:23,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:40:23,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:40:23,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:40:23,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:40:23,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:40:23,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:40:23,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:40:23,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:40:23,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:40:23,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:40:23,838 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:40:23,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:40:23,839 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:40:23,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:40:23,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:40:23,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:40:23,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:40:23,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:40:23,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:40:23,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:40:23,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:40:23,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:40:23,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:40:23,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:40:23,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:40:23,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:40:23,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:40:23,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:40:23,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:40:23,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:40:23,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:40:23,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:40:23,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:40:23,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:40:23,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:40:23,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b [2020-07-28 17:40:24,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:40:24,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:40:24,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:40:24,231 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:40:24,233 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:40:24,234 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2020-07-28 17:40:24,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b371925/ad40f4cfb59e4991aa6a215f2ab4f5f6/FLAG5b0ff8734 [2020-07-28 17:40:24,844 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:40:24,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2020-07-28 17:40:24,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b371925/ad40f4cfb59e4991aa6a215f2ab4f5f6/FLAG5b0ff8734 [2020-07-28 17:40:25,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b371925/ad40f4cfb59e4991aa6a215f2ab4f5f6 [2020-07-28 17:40:25,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:40:25,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:40:25,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:40:25,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:40:25,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:40:25,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a67585e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25, skipping insertion in model container [2020-07-28 17:40:25,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:40:25,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:40:25,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:40:25,385 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:40:25,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:40:25,520 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:40:25,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25 WrapperNode [2020-07-28 17:40:25,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:40:25,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:40:25,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:40:25,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:40:25,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:40:25,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:40:25,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:40:25,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:40:25,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (1/1) ... [2020-07-28 17:40:25,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:40:25,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:40:25,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:40:25,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:40:25,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (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 [2020-07-28 17:40:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:40:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:40:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:40:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:40:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:40:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:40:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:40:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:40:26,446 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:40:26,447 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-07-28 17:40:26,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:40:26 BoogieIcfgContainer [2020-07-28 17:40:26,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:40:26,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:40:26,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:40:26,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:40:26,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:40:25" (1/3) ... [2020-07-28 17:40:26,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0ebd3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:40:26, skipping insertion in model container [2020-07-28 17:40:26,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:25" (2/3) ... [2020-07-28 17:40:26,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0ebd3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:40:26, skipping insertion in model container [2020-07-28 17:40:26,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:40:26" (3/3) ... [2020-07-28 17:40:26,461 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a.c [2020-07-28 17:40:26,472 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:40:26,483 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:40:26,497 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:40:26,518 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:40:26,518 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:40:26,518 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:40:26,518 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:40:26,519 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:40:26,519 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:40:26,519 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:40:26,519 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:40:26,536 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-07-28 17:40:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:40:26,543 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:40:26,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:40:26,544 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:40:26,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:40:26,549 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-07-28 17:40:26,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:40:26,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546596961] [2020-07-28 17:40:26,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:40:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:40:26,719 INFO L280 TraceCheckUtils]: 0: Hoare triple {35#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~ln2_hi_log~0 := 0.6931471803691238;~ln2_lo_log~0 := 1.9082149292705877E-10;~two54_log~0 := 1.8014398509481984E16;~Lg1_log~0 := 0.6666666666666735;~Lg2_log~0 := 0.3999999999940942;~Lg3_log~0 := 0.2857142874366239;~Lg4_log~0 := 0.22222198432149784;~Lg5_log~0 := 0.1818357216161805;~Lg6_log~0 := 0.15313837699209373;~Lg7_log~0 := 0.14798198605116586;~zero~0 := 0.0; {35#true} is VALID [2020-07-28 17:40:26,720 INFO L280 TraceCheckUtils]: 1: Hoare triple {35#true} havoc main_#res;havoc main_#t~ret12, main_#t~ret13, main_~x~0, main_~res~0;main_~x~0 := 0.0;__ieee754_log_#in~x := main_~x~0;havoc __ieee754_log_#res;havoc __ieee754_log_#t~mem4, __ieee754_log_#t~union5, __ieee754_log_#t~mem6, __ieee754_log_#t~union7, __ieee754_log_~#ew_u~1.base, __ieee754_log_~#ew_u~1.offset, __ieee754_log_#t~mem8, __ieee754_log_#t~union9, __ieee754_log_~#gh_u~0.base, __ieee754_log_~#gh_u~0.offset, __ieee754_log_#t~mem10, __ieee754_log_#t~union11.lsw, __ieee754_log_#t~union11.msw, __ieee754_log_~#sh_u~0.base, __ieee754_log_~#sh_u~0.offset, __ieee754_log_~x, __ieee754_log_~hfsq~0, __ieee754_log_~f~0, __ieee754_log_~s~0, __ieee754_log_~z~0, __ieee754_log_~R~0, __ieee754_log_~w~0, __ieee754_log_~t1~0, __ieee754_log_~t2~0, __ieee754_log_~dk~0, __ieee754_log_~k~0, __ieee754_log_~hx~1, __ieee754_log_~i~0, __ieee754_log_~j~0, __ieee754_log_~lx~1;__ieee754_log_~x := __ieee754_log_#in~x;havoc __ieee754_log_~hfsq~0;havoc __ieee754_log_~f~0;havoc __ieee754_log_~s~0;havoc __ieee754_log_~z~0;havoc __ieee754_log_~R~0;havoc __ieee754_log_~w~0;havoc __ieee754_log_~t1~0;havoc __ieee754_log_~t2~0;havoc __ieee754_log_~dk~0;havoc __ieee754_log_~k~0;havoc __ieee754_log_~hx~1;havoc __ieee754_log_~i~0;havoc __ieee754_log_~j~0;havoc __ieee754_log_~lx~1; {35#true} is VALID [2020-07-28 17:40:26,722 INFO L280 TraceCheckUtils]: 2: Hoare triple {35#true} assume !true; {36#false} is VALID [2020-07-28 17:40:26,723 INFO L280 TraceCheckUtils]: 3: Hoare triple {36#false} __ieee754_log_~k~0 := 0; {36#false} is VALID [2020-07-28 17:40:26,723 INFO L280 TraceCheckUtils]: 4: Hoare triple {36#false} assume __ieee754_log_~hx~1 < 1048576; {36#false} is VALID [2020-07-28 17:40:26,724 INFO L280 TraceCheckUtils]: 5: Hoare triple {36#false} assume 0 == ~bitwiseOr(~bitwiseAnd(__ieee754_log_~hx~1, 2147483647), __ieee754_log_~lx~1) % 4294967296;__ieee754_log_#res := ~someBinaryArithmeticDOUBLEoperation(~someUnaryDOUBLEoperation(~two54_log~0), ~zero~0); {36#false} is VALID [2020-07-28 17:40:26,724 INFO L280 TraceCheckUtils]: 6: Hoare triple {36#false} main_#t~ret12 := __ieee754_log_#res;main_~res~0 := main_#t~ret12;havoc main_#t~ret12;isinf_double_#in~x := main_~res~0;havoc isinf_double_#res;havoc isinf_double_#t~mem0, isinf_double_#t~union1, isinf_double_#t~mem2, isinf_double_#t~union3, isinf_double_~#ew_u~0.base, isinf_double_~#ew_u~0.offset, isinf_double_~x, isinf_double_~hx~0, isinf_double_~lx~0;isinf_double_~x := isinf_double_#in~x;havoc isinf_double_~hx~0;havoc isinf_double_~lx~0; {36#false} is VALID [2020-07-28 17:40:26,725 INFO L280 TraceCheckUtils]: 7: Hoare triple {36#false} assume !true; {36#false} is VALID [2020-07-28 17:40:26,726 INFO L280 TraceCheckUtils]: 8: Hoare triple {36#false} isinf_double_~hx~0 := ~bitwiseAnd(isinf_double_~hx~0, 2147483647);isinf_double_~hx~0 := (if ~bitwiseOr(isinf_double_~hx~0, ~bitwiseOr(isinf_double_~lx~0, -isinf_double_~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(isinf_double_~hx~0, ~bitwiseOr(isinf_double_~lx~0, -isinf_double_~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(isinf_double_~hx~0, ~bitwiseOr(isinf_double_~lx~0, -isinf_double_~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296);isinf_double_~hx~0 := 2146435072 - isinf_double_~hx~0;isinf_double_#res := 1 - (if ~bitwiseOr(isinf_double_~hx~0, -isinf_double_~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(isinf_double_~hx~0, -isinf_double_~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(isinf_double_~hx~0, -isinf_double_~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {36#false} is VALID [2020-07-28 17:40:26,726 INFO L280 TraceCheckUtils]: 9: Hoare triple {36#false} main_#t~ret13 := isinf_double_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647; {36#false} is VALID [2020-07-28 17:40:26,726 INFO L280 TraceCheckUtils]: 10: Hoare triple {36#false} assume 0 == main_#t~ret13;havoc main_#t~ret13; {36#false} is VALID [2020-07-28 17:40:26,727 INFO L280 TraceCheckUtils]: 11: Hoare triple {36#false} assume !false; {36#false} is VALID [2020-07-28 17:40:26,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:40:26,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546596961] [2020-07-28 17:40:26,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:40:26,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:40:26,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700978145] [2020-07-28 17:40:26,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:40:26,743 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:40:26,748 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:40:26,776 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:40:26,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:40:26,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:40:26,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:40:26,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:40:26,794 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2020-07-28 17:40:26,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:40:26,911 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2020-07-28 17:40:26,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:40:26,912 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:40:26,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:40:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:40:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 100 transitions. [2020-07-28 17:40:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:40:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 100 transitions. [2020-07-28 17:40:26,941 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 100 transitions. [2020-07-28 17:40:27,126 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:40:27,140 INFO L225 Difference]: With dead ends: 62 [2020-07-28 17:40:27,140 INFO L226 Difference]: Without dead ends: 29 [2020-07-28 17:40:27,144 INFO L675 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 [2020-07-28 17:40:27,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-28 17:40:27,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-28 17:40:27,183 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:40:27,183 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-28 17:40:27,184 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 17:40:27,184 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 17:40:27,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:40:27,190 INFO L93 Difference]: Finished difference Result 29 states and 39 transitions. [2020-07-28 17:40:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-07-28 17:40:27,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:40:27,191 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:40:27,192 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 17:40:27,192 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 17:40:27,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:40:27,196 INFO L93 Difference]: Finished difference Result 29 states and 39 transitions. [2020-07-28 17:40:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-07-28 17:40:27,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:40:27,198 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:40:27,198 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:40:27,198 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:40:27,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-28 17:40:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-07-28 17:40:27,204 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-07-28 17:40:27,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:40:27,205 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-07-28 17:40:27,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:40:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-07-28 17:40:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 17:40:27,206 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:40:27,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:40:27,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:40:27,207 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:40:27,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:40:27,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-07-28 17:40:27,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:40:27,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107574255] [2020-07-28 17:40:27,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:40:27,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:40:27,406 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-28 17:40:27,416 INFO L168 Benchmark]: Toolchain (without parser) took 2297.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:40:27,417 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:40:27,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:40:27,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:40:27,420 INFO L168 Benchmark]: Boogie Preprocessor took 47.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:40:27,421 INFO L168 Benchmark]: RCFGBuilder took 805.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:40:27,422 INFO L168 Benchmark]: TraceAbstraction took 958.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:40:27,426 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 805.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 958.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:40:29,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:40:29,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:40:29,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:40:29,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:40:29,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:40:29,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:40:29,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:40:29,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:40:29,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:40:29,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:40:29,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:40:29,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:40:29,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:40:29,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:40:29,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:40:29,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:40:29,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:40:29,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:40:29,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:40:29,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:40:29,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:40:29,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:40:29,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:40:29,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:40:29,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:40:29,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:40:29,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:40:29,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:40:29,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:40:29,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:40:29,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:40:29,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:40:29,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:40:29,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:40:29,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:40:29,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:40:29,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:40:29,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:40:29,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:40:29,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:40:29,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:40:29,451 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:40:29,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:40:29,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:40:29,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:40:29,454 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:40:29,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:40:29,454 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:40:29,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:40:29,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:40:29,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:40:29,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:40:29,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:40:29,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:40:29,456 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:40:29,456 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:40:29,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:40:29,457 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:40:29,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:40:29,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:40:29,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:40:29,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:40:29,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:40:29,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:40:29,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:40:29,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:40:29,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:40:29,460 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:40:29,460 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:40:29,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:40:29,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:40:29,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:40:29,461 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b [2020-07-28 17:40:29,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:40:29,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:40:29,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:40:29,779 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:40:29,780 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:40:29,781 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2020-07-28 17:40:29,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c24771e9/98177b80dace4ea8b72d6b7d3286d6f4/FLAG9260dc4e9 [2020-07-28 17:40:30,327 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:40:30,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2020-07-28 17:40:30,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c24771e9/98177b80dace4ea8b72d6b7d3286d6f4/FLAG9260dc4e9 [2020-07-28 17:40:30,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c24771e9/98177b80dace4ea8b72d6b7d3286d6f4 [2020-07-28 17:40:30,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:40:30,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:40:30,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:40:30,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:40:30,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:40:30,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:40:30" (1/1) ... [2020-07-28 17:40:30,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c6090d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:30, skipping insertion in model container [2020-07-28 17:40:30,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:40:30" (1/1) ... [2020-07-28 17:40:30,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:40:30,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:40:31,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:40:31,128 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:40:31,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:40:31,280 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:40:31,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31 WrapperNode [2020-07-28 17:40:31,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:40:31,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:40:31,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:40:31,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:40:31,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (1/1) ... [2020-07-28 17:40:31,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (1/1) ... [2020-07-28 17:40:31,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:40:31,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:40:31,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:40:31,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:40:31,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (1/1) ... [2020-07-28 17:40:31,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (1/1) ... [2020-07-28 17:40:31,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (1/1) ... [2020-07-28 17:40:31,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (1/1) ... [2020-07-28 17:40:31,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (1/1) ... [2020-07-28 17:40:31,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (1/1) ... [2020-07-28 17:40:31,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (1/1) ... [2020-07-28 17:40:31,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:40:31,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:40:31,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:40:31,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:40:31,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (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 [2020-07-28 17:40:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-07-28 17:40:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-07-28 17:40:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:40:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:40:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:40:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:40:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:40:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:40:54,838 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:40:54,838 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-07-28 17:40:54,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:40:54 BoogieIcfgContainer [2020-07-28 17:40:54,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:40:54,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:40:54,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:40:54,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:40:54,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:40:30" (1/3) ... [2020-07-28 17:40:54,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48179274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:40:54, skipping insertion in model container [2020-07-28 17:40:54,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:40:31" (2/3) ... [2020-07-28 17:40:54,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48179274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:40:54, skipping insertion in model container [2020-07-28 17:40:54,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:40:54" (3/3) ... [2020-07-28 17:40:54,850 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a.c [2020-07-28 17:40:54,859 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:40:54,865 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:40:54,877 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:40:54,903 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:40:54,903 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:40:54,904 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:40:54,904 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:40:54,905 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:40:54,905 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:40:54,905 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:40:54,905 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:40:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-07-28 17:40:54,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:40:54,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:40:54,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:40:54,929 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:40:54,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:40:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-07-28 17:40:54,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:40:54,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076031926] [2020-07-28 17:40:54,947 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 [2020-07-28 17:40:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:40:55,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:40:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:40:55,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:40:55,947 INFO L280 TraceCheckUtils]: 0: Hoare triple {35#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~ln2_hi_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.6931471803691238);~ln2_lo_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.9082149292705877E-10);~two54_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.8014398509481984E16);~Lg1_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.6666666666666735);~Lg2_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.3999999999940942);~Lg3_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.2857142874366239);~Lg4_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.22222198432149784);~Lg5_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.1818357216161805);~Lg6_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.15313837699209373);~Lg7_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.14798198605116586);~zero~0 := ~Pluszero~DOUBLE(); {35#true} is VALID [2020-07-28 17:40:55,948 INFO L280 TraceCheckUtils]: 1: Hoare triple {35#true} havoc main_#res;havoc main_#t~ret12, main_#t~ret13, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~DOUBLE();__ieee754_log_#in~x := main_~x~0;havoc __ieee754_log_#res;havoc __ieee754_log_#t~mem4, __ieee754_log_#t~union5, __ieee754_log_#t~mem6, __ieee754_log_#t~union7, __ieee754_log_~#ew_u~1.base, __ieee754_log_~#ew_u~1.offset, __ieee754_log_#t~mem8, __ieee754_log_#t~union9, __ieee754_log_~#gh_u~0.base, __ieee754_log_~#gh_u~0.offset, __ieee754_log_#t~mem10, __ieee754_log_#t~union11.lsw, __ieee754_log_#t~union11.msw, __ieee754_log_~#sh_u~0.base, __ieee754_log_~#sh_u~0.offset, __ieee754_log_~x, __ieee754_log_~hfsq~0, __ieee754_log_~f~0, __ieee754_log_~s~0, __ieee754_log_~z~0, __ieee754_log_~R~0, __ieee754_log_~w~0, __ieee754_log_~t1~0, __ieee754_log_~t2~0, __ieee754_log_~dk~0, __ieee754_log_~k~0, __ieee754_log_~hx~1, __ieee754_log_~i~0, __ieee754_log_~j~0, __ieee754_log_~lx~1;__ieee754_log_~x := __ieee754_log_#in~x;havoc __ieee754_log_~hfsq~0;havoc __ieee754_log_~f~0;havoc __ieee754_log_~s~0;havoc __ieee754_log_~z~0;havoc __ieee754_log_~R~0;havoc __ieee754_log_~w~0;havoc __ieee754_log_~t1~0;havoc __ieee754_log_~t2~0;havoc __ieee754_log_~dk~0;havoc __ieee754_log_~k~0;havoc __ieee754_log_~hx~1;havoc __ieee754_log_~i~0;havoc __ieee754_log_~j~0;havoc __ieee754_log_~lx~1; {35#true} is VALID [2020-07-28 17:40:55,950 INFO L280 TraceCheckUtils]: 2: Hoare triple {35#true} assume !true; {36#false} is VALID [2020-07-28 17:40:55,950 INFO L280 TraceCheckUtils]: 3: Hoare triple {36#false} __ieee754_log_~k~0 := 0bv32; {36#false} is VALID [2020-07-28 17:40:55,951 INFO L280 TraceCheckUtils]: 4: Hoare triple {36#false} assume ~bvslt32(__ieee754_log_~hx~1, 1048576bv32); {36#false} is VALID [2020-07-28 17:40:55,951 INFO L280 TraceCheckUtils]: 5: Hoare triple {36#false} assume 0bv32 == ~bvor32(~bvand32(2147483647bv32, __ieee754_log_~hx~1), __ieee754_log_~lx~1);__ieee754_log_#res := ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~two54_log~0), ~zero~0); {36#false} is VALID [2020-07-28 17:40:55,952 INFO L280 TraceCheckUtils]: 6: Hoare triple {36#false} main_#t~ret12 := __ieee754_log_#res;main_~res~0 := main_#t~ret12;havoc main_#t~ret12;isinf_double_#in~x := main_~res~0;havoc isinf_double_#res;havoc isinf_double_#t~mem0, isinf_double_#t~union1, isinf_double_#t~mem2, isinf_double_#t~union3, isinf_double_~#ew_u~0.base, isinf_double_~#ew_u~0.offset, isinf_double_~x, isinf_double_~hx~0, isinf_double_~lx~0;isinf_double_~x := isinf_double_#in~x;havoc isinf_double_~hx~0;havoc isinf_double_~lx~0; {36#false} is VALID [2020-07-28 17:40:55,952 INFO L280 TraceCheckUtils]: 7: Hoare triple {36#false} assume !true; {36#false} is VALID [2020-07-28 17:40:55,952 INFO L280 TraceCheckUtils]: 8: Hoare triple {36#false} isinf_double_~hx~0 := ~bvand32(2147483647bv32, isinf_double_~hx~0);isinf_double_~hx~0 := ~bvor32(isinf_double_~hx~0, ~bvlshr32(~bvor32(isinf_double_~lx~0, ~bvneg32(isinf_double_~lx~0)), 31bv32));isinf_double_~hx~0 := ~bvsub32(2146435072bv32, isinf_double_~hx~0);isinf_double_#res := ~bvsub32(1bv32, ~bvlshr32(~bvor32(isinf_double_~hx~0, ~bvneg32(isinf_double_~hx~0)), 31bv32)); {36#false} is VALID [2020-07-28 17:40:55,953 INFO L280 TraceCheckUtils]: 9: Hoare triple {36#false} main_#t~ret13 := isinf_double_#res; {36#false} is VALID [2020-07-28 17:40:55,953 INFO L280 TraceCheckUtils]: 10: Hoare triple {36#false} assume 0bv32 == main_#t~ret13;havoc main_#t~ret13; {36#false} is VALID [2020-07-28 17:40:55,954 INFO L280 TraceCheckUtils]: 11: Hoare triple {36#false} assume !false; {36#false} is VALID [2020-07-28 17:40:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:40:55,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:40:55,977 INFO L280 TraceCheckUtils]: 11: Hoare triple {36#false} assume !false; {36#false} is VALID [2020-07-28 17:40:55,977 INFO L280 TraceCheckUtils]: 10: Hoare triple {36#false} assume 0bv32 == main_#t~ret13;havoc main_#t~ret13; {36#false} is VALID [2020-07-28 17:40:55,978 INFO L280 TraceCheckUtils]: 9: Hoare triple {36#false} main_#t~ret13 := isinf_double_#res; {36#false} is VALID [2020-07-28 17:40:55,978 INFO L280 TraceCheckUtils]: 8: Hoare triple {36#false} isinf_double_~hx~0 := ~bvand32(2147483647bv32, isinf_double_~hx~0);isinf_double_~hx~0 := ~bvor32(isinf_double_~hx~0, ~bvlshr32(~bvor32(isinf_double_~lx~0, ~bvneg32(isinf_double_~lx~0)), 31bv32));isinf_double_~hx~0 := ~bvsub32(2146435072bv32, isinf_double_~hx~0);isinf_double_#res := ~bvsub32(1bv32, ~bvlshr32(~bvor32(isinf_double_~hx~0, ~bvneg32(isinf_double_~hx~0)), 31bv32)); {36#false} is VALID [2020-07-28 17:40:55,978 INFO L280 TraceCheckUtils]: 7: Hoare triple {36#false} assume !true; {36#false} is VALID [2020-07-28 17:40:55,979 INFO L280 TraceCheckUtils]: 6: Hoare triple {36#false} main_#t~ret12 := __ieee754_log_#res;main_~res~0 := main_#t~ret12;havoc main_#t~ret12;isinf_double_#in~x := main_~res~0;havoc isinf_double_#res;havoc isinf_double_#t~mem0, isinf_double_#t~union1, isinf_double_#t~mem2, isinf_double_#t~union3, isinf_double_~#ew_u~0.base, isinf_double_~#ew_u~0.offset, isinf_double_~x, isinf_double_~hx~0, isinf_double_~lx~0;isinf_double_~x := isinf_double_#in~x;havoc isinf_double_~hx~0;havoc isinf_double_~lx~0; {36#false} is VALID [2020-07-28 17:40:55,979 INFO L280 TraceCheckUtils]: 5: Hoare triple {36#false} assume 0bv32 == ~bvor32(~bvand32(2147483647bv32, __ieee754_log_~hx~1), __ieee754_log_~lx~1);__ieee754_log_#res := ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~two54_log~0), ~zero~0); {36#false} is VALID [2020-07-28 17:40:55,980 INFO L280 TraceCheckUtils]: 4: Hoare triple {36#false} assume ~bvslt32(__ieee754_log_~hx~1, 1048576bv32); {36#false} is VALID [2020-07-28 17:40:55,980 INFO L280 TraceCheckUtils]: 3: Hoare triple {36#false} __ieee754_log_~k~0 := 0bv32; {36#false} is VALID [2020-07-28 17:40:55,981 INFO L280 TraceCheckUtils]: 2: Hoare triple {35#true} assume !true; {36#false} is VALID [2020-07-28 17:40:55,982 INFO L280 TraceCheckUtils]: 1: Hoare triple {35#true} havoc main_#res;havoc main_#t~ret12, main_#t~ret13, main_~x~0, main_~res~0;main_~x~0 := ~Pluszero~DOUBLE();__ieee754_log_#in~x := main_~x~0;havoc __ieee754_log_#res;havoc __ieee754_log_#t~mem4, __ieee754_log_#t~union5, __ieee754_log_#t~mem6, __ieee754_log_#t~union7, __ieee754_log_~#ew_u~1.base, __ieee754_log_~#ew_u~1.offset, __ieee754_log_#t~mem8, __ieee754_log_#t~union9, __ieee754_log_~#gh_u~0.base, __ieee754_log_~#gh_u~0.offset, __ieee754_log_#t~mem10, __ieee754_log_#t~union11.lsw, __ieee754_log_#t~union11.msw, __ieee754_log_~#sh_u~0.base, __ieee754_log_~#sh_u~0.offset, __ieee754_log_~x, __ieee754_log_~hfsq~0, __ieee754_log_~f~0, __ieee754_log_~s~0, __ieee754_log_~z~0, __ieee754_log_~R~0, __ieee754_log_~w~0, __ieee754_log_~t1~0, __ieee754_log_~t2~0, __ieee754_log_~dk~0, __ieee754_log_~k~0, __ieee754_log_~hx~1, __ieee754_log_~i~0, __ieee754_log_~j~0, __ieee754_log_~lx~1;__ieee754_log_~x := __ieee754_log_#in~x;havoc __ieee754_log_~hfsq~0;havoc __ieee754_log_~f~0;havoc __ieee754_log_~s~0;havoc __ieee754_log_~z~0;havoc __ieee754_log_~R~0;havoc __ieee754_log_~w~0;havoc __ieee754_log_~t1~0;havoc __ieee754_log_~t2~0;havoc __ieee754_log_~dk~0;havoc __ieee754_log_~k~0;havoc __ieee754_log_~hx~1;havoc __ieee754_log_~i~0;havoc __ieee754_log_~j~0;havoc __ieee754_log_~lx~1; {35#true} is VALID [2020-07-28 17:40:55,982 INFO L280 TraceCheckUtils]: 0: Hoare triple {35#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~ln2_hi_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.6931471803691238);~ln2_lo_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.9082149292705877E-10);~two54_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.8014398509481984E16);~Lg1_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.6666666666666735);~Lg2_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.3999999999940942);~Lg3_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.2857142874366239);~Lg4_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.22222198432149784);~Lg5_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.1818357216161805);~Lg6_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.15313837699209373);~Lg7_log~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.14798198605116586);~zero~0 := ~Pluszero~DOUBLE(); {35#true} is VALID [2020-07-28 17:40:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:40:55,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076031926] [2020-07-28 17:40:55,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:40:55,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:40:55,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518683717] [2020-07-28 17:40:55,994 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:40:55,996 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:40:56,000 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:40:57,029 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:40:57,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:40:57,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:40:57,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:40:57,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:40:57,043 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2020-07-28 17:41:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:41:21,416 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2020-07-28 17:41:21,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:41:21,416 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-07-28 17:41:21,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:41:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:41:21,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 100 transitions. [2020-07-28 17:41:21,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:41:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 100 transitions. [2020-07-28 17:41:21,440 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 100 transitions. [2020-07-28 17:41:36,427 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:41:36,439 INFO L225 Difference]: With dead ends: 62 [2020-07-28 17:41:36,439 INFO L226 Difference]: Without dead ends: 29 [2020-07-28 17:41:36,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:41:36,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-28 17:41:36,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-28 17:41:36,474 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:41:36,475 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-28 17:41:36,475 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 17:41:36,475 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 17:41:36,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:41:36,479 INFO L93 Difference]: Finished difference Result 29 states and 39 transitions. [2020-07-28 17:41:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-07-28 17:41:36,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:41:36,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:41:36,481 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 17:41:36,481 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 17:41:36,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:41:36,485 INFO L93 Difference]: Finished difference Result 29 states and 39 transitions. [2020-07-28 17:41:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-07-28 17:41:36,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:41:36,486 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:41:36,486 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:41:36,487 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:41:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-28 17:41:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-07-28 17:41:36,491 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-07-28 17:41:36,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:41:36,492 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-07-28 17:41:36,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:41:36,493 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-07-28 17:41:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 17:41:36,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:41:36,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:41:36,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:41:36,706 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:41:36,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:41:36,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-07-28 17:41:36,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:41:36,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919347040] [2020-07-28 17:41:36,710 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 [2020-07-28 17:41:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:41:37,747 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:41:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:41:38,746 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:41:38,888 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-07-28 17:41:38,888 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:41:39,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:41:39,173 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:41:39,174 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:41:39,174 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-28 17:41:39,174 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-28 17:41:39,174 WARN L170 areAnnotationChecker]: L50-1 has no Hoare annotation [2020-07-28 17:41:39,174 WARN L170 areAnnotationChecker]: L50-1 has no Hoare annotation [2020-07-28 17:41:39,175 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-28 17:41:39,175 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-28 17:41:39,175 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-28 17:41:39,175 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 17:41:39,175 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 17:41:39,175 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2020-07-28 17:41:39,176 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2020-07-28 17:41:39,176 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 17:41:39,176 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-28 17:41:39,176 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-28 17:41:39,176 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-28 17:41:39,176 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-28 17:41:39,177 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-28 17:41:39,177 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-28 17:41:39,177 WARN L170 areAnnotationChecker]: L65-2 has no Hoare annotation [2020-07-28 17:41:39,177 WARN L170 areAnnotationChecker]: L65-2 has no Hoare annotation [2020-07-28 17:41:39,177 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:41:39,177 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-28 17:41:39,177 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-28 17:41:39,177 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-28 17:41:39,178 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-28 17:41:39,178 WARN L170 areAnnotationChecker]: L20-3 has no Hoare annotation [2020-07-28 17:41:39,178 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-28 17:41:39,178 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-28 17:41:39,178 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-28 17:41:39,178 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-28 17:41:39,178 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 17:41:39,178 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 17:41:39,179 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 17:41:39,179 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:41:39,179 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-28 17:41:39,179 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 17:41:39,179 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 17:41:39,179 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-28 17:41:39,179 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-28 17:41:39,179 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 17:41:39,180 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 17:41:39,180 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:41:39,180 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 17:41:39,180 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:41:39,180 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:41:39,180 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-28 17:41:39,180 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-28 17:41:39,181 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 17:41:39,181 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:41:39,181 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:41:39,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:41:39 BoogieIcfgContainer [2020-07-28 17:41:39,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:41:39,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:41:39,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:41:39,184 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:41:39,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:40:54" (3/4) ... [2020-07-28 17:41:39,186 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 17:41:39,262 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:41:39,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:41:39,266 INFO L168 Benchmark]: Toolchain (without parser) took 68522.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 953.5 MB in the beginning and 973.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 122.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:41:39,267 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:41:39,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:41:39,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:41:39,269 INFO L168 Benchmark]: Boogie Preprocessor took 50.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:41:39,270 INFO L168 Benchmark]: RCFGBuilder took 23423.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:41:39,270 INFO L168 Benchmark]: TraceAbstraction took 44341.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.6 MB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:41:39,271 INFO L168 Benchmark]: Witness Printer took 79.10 ms. Allocated memory is still 1.2 GB. Free memory was 979.6 MB in the beginning and 973.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:41:39,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 537.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 23423.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 44341.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.6 MB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. * Witness Printer took 79.10 ms. Allocated memory is still 1.2 GB. Free memory was 979.6 MB in the beginning and 973.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 137]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L132] double x = 0.0; [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L58] COND TRUE hx < 0x00100000 VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L133] double res = __ieee754_log(x); [L19] __int32_t hx, lx; VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] [L136] COND TRUE !isinf_double(res) [L137] __VERIFIER_error() VAL [Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, two54_log=18014398509481984, zero=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 44.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 39.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 1 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 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...