./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c -s /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer --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 f16872e95ceb4c5bb3d43220bb20359b76e5f33c ................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c -s /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer --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 f16872e95ceb4c5bb3d43220bb20359b76e5f33c ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:26:24,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:26:24,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:26:24,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:26:24,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:26:24,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:26:24,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:26:24,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:26:24,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:26:24,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:26:24,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:26:24,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:26:24,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:26:24,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:26:24,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:26:24,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:26:24,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:26:24,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:26:24,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:26:24,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:26:24,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:26:24,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:26:24,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:26:24,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:26:24,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:26:24,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:26:24,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:26:24,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:26:24,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:26:24,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:26:24,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:26:24,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:26:24,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:26:24,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:26:24,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:26:24,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:26:24,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:26:24,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:26:24,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:26:24,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:26:24,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:26:24,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 01:26:24,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:26:24,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:26:24,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:26:24,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:26:24,790 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:26:24,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:26:24,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:26:24,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:26:24,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:26:24,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:26:24,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:26:24,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:26:24,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:26:24,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:26:24,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:26:24,792 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:26:24,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:26:24,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:26:24,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:26:24,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:26:24,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:26:24,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:26:24,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:26:24,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:26:24,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:26:24,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:26:24,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:26:24,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:26:24,797 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer 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 -> f16872e95ceb4c5bb3d43220bb20359b76e5f33c [2019-11-20 01:26:24,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:26:24,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:26:24,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:26:24,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:26:24,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:26:25,000 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2019-11-20 01:26:25,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/data/f95e545be/a6d87a9b46a4404cae5ee5a4e5be43ab/FLAGbc6b63276 [2019-11-20 01:26:25,515 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:26:25,516 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2019-11-20 01:26:25,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/data/f95e545be/a6d87a9b46a4404cae5ee5a4e5be43ab/FLAGbc6b63276 [2019-11-20 01:26:25,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/data/f95e545be/a6d87a9b46a4404cae5ee5a4e5be43ab [2019-11-20 01:26:25,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:26:25,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:26:25,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:26:25,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:26:25,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:26:25,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:26:25" (1/1) ... [2019-11-20 01:26:25,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195b4e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:25, skipping insertion in model container [2019-11-20 01:26:25,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:26:25" (1/1) ... [2019-11-20 01:26:25,906 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:26:25,923 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:26:26,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:26:26,219 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:26:26,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:26:26,263 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:26:26,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26 WrapperNode [2019-11-20 01:26:26,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:26:26,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:26:26,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:26:26,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:26:26,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (1/1) ... [2019-11-20 01:26:26,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (1/1) ... [2019-11-20 01:26:26,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:26:26,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:26:26,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:26:26,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:26:26,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (1/1) ... [2019-11-20 01:26:26,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (1/1) ... [2019-11-20 01:26:26,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (1/1) ... [2019-11-20 01:26:26,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (1/1) ... [2019-11-20 01:26:26,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (1/1) ... [2019-11-20 01:26:26,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (1/1) ... [2019-11-20 01:26:26,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (1/1) ... [2019-11-20 01:26:26,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:26:26,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:26:26,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:26:26,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:26:26,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/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 [2019-11-20 01:26:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:26:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:26:26,679 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:26:26,679 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-20 01:26:26,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:26:26 BoogieIcfgContainer [2019-11-20 01:26:26,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:26:26,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:26:26,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:26:26,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:26:26,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:26:25" (1/3) ... [2019-11-20 01:26:26,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cb5553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:26:26, skipping insertion in model container [2019-11-20 01:26:26,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:26" (2/3) ... [2019-11-20 01:26:26,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cb5553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:26:26, skipping insertion in model container [2019-11-20 01:26:26,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:26:26" (3/3) ... [2019-11-20 01:26:26,689 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_Householder_pseudoconstant.c [2019-11-20 01:26:26,698 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:26:26,705 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 01:26:26,714 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 01:26:26,736 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:26:26,736 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:26:26,737 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:26:26,737 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:26:26,738 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:26:26,738 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:26:26,739 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:26:26,741 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:26:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-11-20 01:26:26,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 01:26:26,763 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:26:26,764 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:26:26,764 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:26:26,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:26:26,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1706227183, now seen corresponding path program 1 times [2019-11-20 01:26:26,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:26:26,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510148152] [2019-11-20 01:26:26,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:26:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:26:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:26:26,896 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:26:26,897 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 01:26:26,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:26:26 BoogieIcfgContainer [2019-11-20 01:26:26,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:26:26,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:26:26,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:26:26,923 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:26:26,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:26:26" (3/4) ... [2019-11-20 01:26:26,926 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:26:26,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:26:26,928 INFO L168 Benchmark]: Toolchain (without parser) took 1035.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:26:26,928 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:26:26,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -216.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:26:26,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:26:26,930 INFO L168 Benchmark]: Boogie Preprocessor took 24.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:26:26,931 INFO L168 Benchmark]: RCFGBuilder took 353.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:26:26,932 INFO L168 Benchmark]: TraceAbstraction took 241.10 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:26:26,932 INFO L168 Benchmark]: Witness Printer took 3.40 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. [2019-11-20 01:26:26,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -216.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 353.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 241.10 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.40 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 15]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 39. Possible FailurePath: [L17] double _EPS = 1e-6; VAL [_EPS=1/1000000] [L44] double d, dd, r; [L45] double epsilon = 1e-8; [L47] d = 1. VAL [_EPS=1/1000000] [L47] COND TRUE d <= 20. [L49] dd = __VERIFIER_nondet_double() [L21] double xn, xnp1, residu, lsup, linf; [L22] int i, cond; VAL [_EPS=1/1000000] [L23] COND TRUE Input <= 1.0 [L23] xn = 1.0 VAL [_EPS=1/1000000] [L24] xnp1 = xn [L25] residu = 2.0*_EPS*(xn+xnp1) [L26] lsup = _EPS * (xn+xnp1) [L27] linf = -lsup [L28] cond = ((residu > lsup) || (residu < linf)) [L29] i = 0 VAL [_EPS=1/1000000] [L30] COND FALSE !(\read(cond)) VAL [_EPS=1/1000000] [L39] return 1.0 / xnp1; VAL [_EPS=1/1000000] [L52] r = SqrtR(dd) [L15] COND TRUE !(cond) VAL [_EPS=1/1000000] [L15] __VERIFIER_error() VAL [_EPS=1/1000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 01:26:28,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:26:28,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:26:28,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:26:28,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:26:28,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:26:28,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:26:28,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:26:28,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:26:28,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:26:28,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:26:28,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:26:28,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:26:28,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:26:28,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:26:28,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:26:28,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:26:28,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:26:28,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:26:28,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:26:28,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:26:28,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:26:28,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:26:28,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:26:28,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:26:28,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:26:28,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:26:28,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:26:28,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:26:28,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:26:28,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:26:28,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:26:28,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:26:28,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:26:28,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:26:28,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:26:28,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:26:28,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:26:28,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:26:28,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:26:28,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:26:28,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 01:26:28,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:26:28,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:26:28,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:26:28,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:26:28,988 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:26:28,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:26:28,989 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:26:28,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:26:28,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:26:28,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:26:28,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:26:28,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:26:28,990 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 01:26:28,991 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 01:26:28,991 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:26:28,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:26:28,991 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:26:28,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:26:28,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:26:28,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:26:28,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:26:28,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:26:28,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:26:28,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:26:28,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:26:28,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:26:28,994 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 01:26:28,994 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 01:26:28,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:26:28,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 01:26:28,996 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer 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 -> f16872e95ceb4c5bb3d43220bb20359b76e5f33c [2019-11-20 01:26:29,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:26:29,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:26:29,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:26:29,298 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:26:29,298 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:26:29,299 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2019-11-20 01:26:29,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/data/4ca18e937/96250fa0610c48e587bbc95a4e162cfd/FLAGa2f22ddce [2019-11-20 01:26:29,791 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:26:29,792 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2019-11-20 01:26:29,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/data/4ca18e937/96250fa0610c48e587bbc95a4e162cfd/FLAGa2f22ddce [2019-11-20 01:26:30,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/data/4ca18e937/96250fa0610c48e587bbc95a4e162cfd [2019-11-20 01:26:30,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:26:30,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:26:30,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:26:30,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:26:30,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:26:30,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ffde4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30, skipping insertion in model container [2019-11-20 01:26:30,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,243 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:26:30,263 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:26:30,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:26:30,463 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:26:30,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:26:30,523 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:26:30,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30 WrapperNode [2019-11-20 01:26:30,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:26:30,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:26:30,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:26:30,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:26:30,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:26:30,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:26:30,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:26:30,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:26:30,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (1/1) ... [2019-11-20 01:26:30,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:26:30,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:26:30,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:26:30,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:26:30,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/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 [2019-11-20 01:26:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:26:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:26:40,606 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:26:40,606 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-20 01:26:40,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:26:40 BoogieIcfgContainer [2019-11-20 01:26:40,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:26:40,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:26:40,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:26:40,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:26:40,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:26:30" (1/3) ... [2019-11-20 01:26:40,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a2003e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:26:40, skipping insertion in model container [2019-11-20 01:26:40,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:26:30" (2/3) ... [2019-11-20 01:26:40,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a2003e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:26:40, skipping insertion in model container [2019-11-20 01:26:40,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:26:40" (3/3) ... [2019-11-20 01:26:40,615 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_Householder_pseudoconstant.c [2019-11-20 01:26:40,623 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:26:40,628 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 01:26:40,639 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 01:26:40,663 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:26:40,664 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:26:40,664 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:26:40,665 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:26:40,665 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:26:40,665 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:26:40,665 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:26:40,665 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:26:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-11-20 01:26:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 01:26:40,681 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:26:40,682 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:26:40,682 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:26:40,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:26:40,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1706227183, now seen corresponding path program 1 times [2019-11-20 01:26:40,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:26:40,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032640341] [2019-11-20 01:26:40,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/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 [2019-11-20 01:26:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:26:42,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 01:26:42,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:26:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:26:42,509 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:26:44,639 WARN L838 $PredicateComparison]: unable to prove that (or (let ((.cse0 (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0))) (fp.gt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) c_~_EPS~0) .cse0) (fp.mul roundNearestTiesToEven c_~_EPS~0 .cse0))) (forall ((v_ULTIMATE.start_SqrtR_~linf~0_5 (_ FloatingPoint 11 53))) (fp.lt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) c_~_EPS~0) (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0)) v_ULTIMATE.start_SqrtR_~linf~0_5))) is different from false [2019-11-20 01:26:46,728 WARN L860 $PredicateComparison]: unable to prove that (or (let ((.cse0 (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0))) (fp.gt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) c_~_EPS~0) .cse0) (fp.mul roundNearestTiesToEven c_~_EPS~0 .cse0))) (forall ((v_ULTIMATE.start_SqrtR_~linf~0_5 (_ FloatingPoint 11 53))) (fp.lt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) c_~_EPS~0) (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0)) v_ULTIMATE.start_SqrtR_~linf~0_5))) is different from true [2019-11-20 01:26:55,097 WARN L191 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 15 DAG size of output: 11 [2019-11-20 01:26:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:26:55,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032640341] [2019-11-20 01:26:55,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:26:55,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-11-20 01:26:55,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665228796] [2019-11-20 01:26:55,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 01:26:55,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:26:55,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 01:26:55,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=27, Unknown=2, NotChecked=10, Total=56 [2019-11-20 01:26:55,119 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 8 states. [2019-11-20 01:26:57,672 WARN L860 $PredicateComparison]: unable to prove that (and (= c_~_EPS~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) c_ULTIMATE.start_SqrtR_~xn~0) (or (let ((.cse0 (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0))) (fp.gt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) c_~_EPS~0) .cse0) (fp.mul roundNearestTiesToEven c_~_EPS~0 .cse0))) (forall ((v_ULTIMATE.start_SqrtR_~linf~0_5 (_ FloatingPoint 11 53))) (fp.lt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) c_~_EPS~0) (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0)) v_ULTIMATE.start_SqrtR_~linf~0_5)))) is different from true [2019-11-20 01:27:13,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:27:13,668 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2019-11-20 01:27:13,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:27:13,764 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-20 01:27:13,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:27:13,773 INFO L225 Difference]: With dead ends: 39 [2019-11-20 01:27:13,774 INFO L226 Difference]: Without dead ends: 17 [2019-11-20 01:27:13,777 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=19, Invalid=28, Unknown=3, NotChecked=22, Total=72 [2019-11-20 01:27:13,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-20 01:27:13,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-11-20 01:27:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 01:27:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-11-20 01:27:13,810 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 10 [2019-11-20 01:27:13,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:27:13,810 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-20 01:27:13,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 01:27:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2019-11-20 01:27:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 01:27:13,811 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:27:13,811 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:27:14,025 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 01:27:14,025 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:27:14,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:27:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash 68780179, now seen corresponding path program 1 times [2019-11-20 01:27:14,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:27:14,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383750569] [2019-11-20 01:27:14,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_90391ee6-2742-4789-aef8-81671986caf9/bin/uautomizer/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 [2019-11-20 01:27:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:27:19,220 WARN L253 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-20 01:27:19,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:27:21,663 WARN L838 $PredicateComparison]: unable to prove that (and (= c_~_EPS~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0))) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse0 .cse1)) (= (fp.div roundNearestTiesToEven .cse0 ULTIMATE.start_SqrtR_~Input) c_ULTIMATE.start_SqrtR_~xn~0) (fp.geq ULTIMATE.start_SqrtR_~Input (fp.sub roundNearestTiesToEven .cse0 .cse1)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse0)))))) is different from false [2019-11-20 01:27:24,055 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (let ((.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse6 (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0))) (fp.gt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse5) .cse6) (fp.mul roundNearestTiesToEven .cse5 .cse6)))) (.cse0 (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse3 .cse4)) (fp.geq ULTIMATE.start_SqrtR_~Input (fp.sub roundNearestTiesToEven .cse3 .cse4)) (= c_ULTIMATE.start_SqrtR_~xnp1~0 (fp.div roundNearestTiesToEven .cse3 ULTIMATE.start_SqrtR_~Input)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse3)))))) (.cse2 (= (_ bv1 32) c_ULTIMATE.start_SqrtR_~cond~0))) (or (and (= (_ bv0 32) c_ULTIMATE.start_SqrtR_~cond~0) .cse0 (exists ((ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (not (fp.lt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0)) ULTIMATE.start_SqrtR_~linf~0))) (not .cse1)) (and .cse1 .cse0 .cse2) (and .cse0 .cse2 (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (fp.lt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0)) v_prenex_1))))) is different from false [2019-11-20 01:27:27,092 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0))) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse0 .cse1)) (fp.geq ULTIMATE.start_SqrtR_~Input (fp.sub roundNearestTiesToEven .cse0 .cse1)) (= c_ULTIMATE.start_SqrtR_~xnp1~0 (fp.div roundNearestTiesToEven .cse0 ULTIMATE.start_SqrtR_~Input)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse0))))) (exists ((ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (not (fp.lt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0)) ULTIMATE.start_SqrtR_~linf~0))) (not (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse3 (fp.add roundNearestTiesToEven c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0))) (fp.gt (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse2) .cse3) (fp.mul roundNearestTiesToEven .cse2 .cse3))))) is different from false [2019-11-20 01:27:31,527 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse1 (fp.div roundNearestTiesToEven .cse0 ULTIMATE.start_SqrtR_~Input))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse5 (fp.add roundNearestTiesToEven .cse1 .cse1))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0))) (.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse4) .cse5))) (and (= |c_ULTIMATE.start_SqrtR_#res| (fp.div roundNearestTiesToEven .cse0 .cse1)) (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse0 .cse2)) (fp.geq ULTIMATE.start_SqrtR_~Input (fp.sub roundNearestTiesToEven .cse0 .cse2)) (not (fp.gt .cse3 (fp.mul roundNearestTiesToEven .cse4 .cse5))) (not (fp.lt .cse3 ULTIMATE.start_SqrtR_~linf~0)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse0)))))))) is different from false [2019-11-20 01:27:34,215 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse1 (fp.div roundNearestTiesToEven .cse0 ULTIMATE.start_SqrtR_~Input))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse5 (fp.add roundNearestTiesToEven .cse1 .cse1))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0))) (.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse4) .cse5))) (and (= |c_ULTIMATE.start_SqrtR_#res| (fp.div roundNearestTiesToEven .cse0 .cse1)) (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse0 .cse2)) (fp.geq ULTIMATE.start_SqrtR_~Input (fp.sub roundNearestTiesToEven .cse0 .cse2)) (not (fp.gt .cse3 (fp.mul roundNearestTiesToEven .cse4 .cse5))) (not (fp.lt .cse3 ULTIMATE.start_SqrtR_~linf~0)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse0)))))))) is different from true [2019-11-20 01:27:34,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:27:39,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:27:57,994 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse6 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (or (and (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse5 (fp.div roundNearestTiesToEven .cse0 ULTIMATE.start_SqrtR_~Input))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse4 (fp.add roundNearestTiesToEven .cse5 .cse5))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0))) (.cse2 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse3) .cse4))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse0 .cse1)) (fp.geq ULTIMATE.start_SqrtR_~Input (fp.sub roundNearestTiesToEven .cse0 .cse1)) (not (fp.gt .cse2 (fp.mul roundNearestTiesToEven .cse3 .cse4))) (not (fp.lt .cse2 ULTIMATE.start_SqrtR_~linf~0)) (not (fp.geq (fp.div roundNearestTiesToEven .cse0 .cse5) ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0)))) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse0)))))))) .cse6) (and (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse7 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse13 (fp.div roundNearestTiesToEven .cse7 ULTIMATE.start_SqrtR_~Input))) (let ((.cse11 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse12 (fp.add roundNearestTiesToEven .cse13 .cse13))) (let ((.cse8 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0))) (.cse10 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse11) .cse12)) (.cse9 (fp.div roundNearestTiesToEven .cse7 .cse13))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse7 .cse8)) (fp.geq .cse9 ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0))) (fp.geq ULTIMATE.start_SqrtR_~Input (fp.sub roundNearestTiesToEven .cse7 .cse8)) (not (fp.gt .cse10 (fp.mul roundNearestTiesToEven .cse11 .cse12))) (not (fp.lt .cse10 ULTIMATE.start_SqrtR_~linf~0)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse7)) (fp.leq .cse9 ((_ to_fp 11 53) roundNearestTiesToEven 5.0)))))))) (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))) (and (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse14 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse16 (fp.div roundNearestTiesToEven .cse14 ULTIMATE.start_SqrtR_~Input))) (let ((.cse18 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse19 (fp.add roundNearestTiesToEven .cse16 .cse16))) (let ((.cse15 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0))) (.cse17 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse18) .cse19))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse14 .cse15)) (fp.geq ULTIMATE.start_SqrtR_~Input (fp.sub roundNearestTiesToEven .cse14 .cse15)) (not (fp.leq (fp.div roundNearestTiesToEven .cse14 .cse16) ((_ to_fp 11 53) roundNearestTiesToEven 5.0))) (not (fp.gt .cse17 (fp.mul roundNearestTiesToEven .cse18 .cse19))) (not (fp.lt .cse17 ULTIMATE.start_SqrtR_~linf~0)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse14)))))))) .cse6))) is different from false [2019-11-20 01:28:12,130 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse2 (fp.div roundNearestTiesToEven .cse0 ULTIMATE.start_SqrtR_~Input))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse5 (fp.add roundNearestTiesToEven .cse2 .cse2))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0))) (.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse4) .cse5))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse0 .cse1)) (fp.geq ULTIMATE.start_SqrtR_~Input (fp.sub roundNearestTiesToEven .cse0 .cse1)) (not (fp.leq (fp.div roundNearestTiesToEven .cse0 .cse2) ((_ to_fp 11 53) roundNearestTiesToEven 5.0))) (not (fp.gt .cse3 (fp.mul roundNearestTiesToEven .cse4 .cse5))) (not (fp.lt .cse3 ULTIMATE.start_SqrtR_~linf~0)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse0)))))))) (exists ((v_prenex_2 (_ FloatingPoint 11 53)) (v_prenex_3 (_ FloatingPoint 11 53))) (let ((.cse7 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse8 (fp.div roundNearestTiesToEven .cse7 v_prenex_2))) (let ((.cse10 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse11 (fp.add roundNearestTiesToEven .cse8 .cse8))) (let ((.cse9 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0))) (.cse6 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse10) .cse11))) (and (not (fp.lt .cse6 v_prenex_3)) (not (fp.geq (fp.div roundNearestTiesToEven .cse7 .cse8) ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0)))) (fp.leq v_prenex_2 (fp.add roundNearestTiesToEven .cse7 .cse9)) (fp.geq v_prenex_2 (fp.sub roundNearestTiesToEven .cse7 .cse9)) (not (fp.leq v_prenex_2 .cse7)) (not (fp.gt .cse6 (fp.mul roundNearestTiesToEven .cse10 .cse11)))))))))) is different from false [2019-11-20 01:28:13,226 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-11-20 01:28:13,427 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 01:28:13,428 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) 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.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:851) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:576) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.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:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 41 more [2019-11-20 01:28:13,433 INFO L168 Benchmark]: Toolchain (without parser) took 103209.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -102.9 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:28:13,433 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:28:13,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:28:13,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -202.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:28:13,435 INFO L168 Benchmark]: Boogie Preprocessor took 28.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:28:13,436 INFO L168 Benchmark]: RCFGBuilder took 9944.80 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:28:13,437 INFO L168 Benchmark]: TraceAbstraction took 92822.92 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: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:28:13,442 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -202.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9944.80 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 92822.92 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: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...