./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/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 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 ............................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/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 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 ......................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-1dbac8b [2018-11-10 05:04:03,819 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:04:03,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:04:03,826 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:04:03,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:04:03,827 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:04:03,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:04:03,829 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:04:03,830 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:04:03,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:04:03,832 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:04:03,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:04:03,833 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:04:03,833 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:04:03,834 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:04:03,835 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:04:03,835 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:04:03,836 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:04:03,838 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:04:03,839 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:04:03,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:04:03,841 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:04:03,842 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:04:03,842 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:04:03,842 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:04:03,843 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:04:03,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:04:03,844 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:04:03,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:04:03,845 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:04:03,845 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:04:03,846 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:04:03,846 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:04:03,846 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:04:03,847 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:04:03,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:04:03,847 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 05:04:03,857 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:04:03,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:04:03,858 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:04:03,858 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:04:03,858 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:04:03,858 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:04:03,858 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:04:03,859 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:04:03,859 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:04:03,859 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:04:03,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:04:03,859 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:04:03,859 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:04:03,859 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:04:03,859 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:04:03,860 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:04:03,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:04:03,860 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:04:03,860 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:04:03,860 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:04:03,860 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:04:03,860 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:04:03,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:04:03,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:04:03,861 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:04:03,861 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:04:03,861 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:04:03,861 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:04:03,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:04:03,861 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/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 -> 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 [2018-11-10 05:04:03,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:04:03,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:04:03,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:04:03,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:04:03,897 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:04:03,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c [2018-11-10 05:04:03,936 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/data/5ab0361c6/f555f5705329477f818f90eededa78ef/FLAG8aa36cdb0 [2018-11-10 05:04:04,268 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:04:04,269 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c [2018-11-10 05:04:04,274 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/data/5ab0361c6/f555f5705329477f818f90eededa78ef/FLAG8aa36cdb0 [2018-11-10 05:04:04,284 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/data/5ab0361c6/f555f5705329477f818f90eededa78ef [2018-11-10 05:04:04,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:04:04,287 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:04:04,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:04:04,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:04:04,290 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:04:04,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:04:04" (1/1) ... [2018-11-10 05:04:04,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49481402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04, skipping insertion in model container [2018-11-10 05:04:04,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:04:04" (1/1) ... [2018-11-10 05:04:04,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:04:04,312 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:04:04,417 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:04:04,420 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:04:04,433 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:04:04,444 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:04:04,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04 WrapperNode [2018-11-10 05:04:04,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:04:04,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:04:04,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:04:04,445 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:04:04,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04" (1/1) ... [2018-11-10 05:04:04,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04" (1/1) ... [2018-11-10 05:04:04,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04" (1/1) ... [2018-11-10 05:04:04,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04" (1/1) ... [2018-11-10 05:04:04,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04" (1/1) ... [2018-11-10 05:04:04,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04" (1/1) ... [2018-11-10 05:04:04,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04" (1/1) ... [2018-11-10 05:04:04,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:04:04,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:04:04,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:04:04,466 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:04:04,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/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 [2018-11-10 05:04:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:04:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:04:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 05:04:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure y [2018-11-10 05:04:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 05:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 05:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure y [2018-11-10 05:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:04:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:04:04,637 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:04:04,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:04:04 BoogieIcfgContainer [2018-11-10 05:04:04,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:04:04,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:04:04,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:04:04,640 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:04:04,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:04:04" (1/3) ... [2018-11-10 05:04:04,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b052757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:04:04, skipping insertion in model container [2018-11-10 05:04:04,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:04" (2/3) ... [2018-11-10 05:04:04,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b052757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:04:04, skipping insertion in model container [2018-11-10 05:04:04,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:04:04" (3/3) ... [2018-11-10 05:04:04,643 INFO L112 eAbstractionObserver]: Analyzing ICFG water_pid_true-unreach-call_true-termination.c [2018-11-10 05:04:04,649 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:04:04,653 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:04:04,661 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:04:04,679 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:04:04,679 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:04:04,680 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:04:04,680 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:04:04,680 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:04:04,680 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:04:04,680 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:04:04,680 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:04:04,680 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:04:04,692 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-10 05:04:04,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 05:04:04,696 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:04:04,697 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:04:04,699 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:04:04,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:04:04,702 INFO L82 PathProgramCache]: Analyzing trace with hash 220960723, now seen corresponding path program 1 times [2018-11-10 05:04:04,703 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:04:04,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:04:04,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:04:04,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:04:04,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:04:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:04:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:04:04,793 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:04:04,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:04:04 BoogieIcfgContainer [2018-11-10 05:04:04,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:04:04,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:04:04,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:04:04,812 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:04:04,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:04:04" (3/4) ... [2018-11-10 05:04:04,815 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:04:04,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:04:04,816 INFO L168 Benchmark]: Toolchain (without parser) took 529.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:04:04,817 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:04:04,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:04:04,818 INFO L168 Benchmark]: Boogie Preprocessor took 20.65 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:04:04,818 INFO L168 Benchmark]: RCFGBuilder took 171.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 946.8 MB in the beginning and 1.2 GB in the end (delta: -206.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:04:04,819 INFO L168 Benchmark]: TraceAbstraction took 173.98 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:04:04,819 INFO L168 Benchmark]: Witness Printer took 3.40 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:04:04,821 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.65 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 171.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 946.8 MB in the beginning and 1.2 GB in the end (delta: -206.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 173.98 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.40 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_real at line 29, overapproximation of someBinaryArithmeticDOUBLEoperation at line 39. Possible FailurePath: [L10] static NUM yn = 0; [L12] NUM ui = 0; VAL [\old(ui)=9, \old(yn)=5] [L22] NUM yi, yc; [L23] NUM K; [L24] NUM T; [L25] NUM taui; [L26] NUM taud; [L27] NUM ei, sumej, epi; [L28] int i; [L29] T = 1 [L30] taui = 1 [L31] taud = 1 [L32] K = .5 [L33] yc = .5 VAL [\old(ui)=2, \old(yn)=8, K=1/2, ui=2, yc=1/2, yn=8] [L34] CALL, EXPR y(0) VAL [\old(i)=0, \old(ui)=2, \old(yn)=8, ui=2, yn=8] [L16] yn += ui [L17] RET return yn; VAL [\old(i)=0, \old(ui)=2, \old(yn)=8, \result=6, i=0, ui=2, yn=6] [L34] EXPR y(0) VAL [\old(ui)=2, \old(yn)=8, K=1/2, ui=2, y(0)=6, yc=1/2, yn=6] [L34] yi = y(0) [L35] epi = yc-yi [L36] sumej = epi [L37] i=0 VAL [\old(ui)=2, \old(yn)=8, epi=7, i=0, K=1/2, sumej=7, ui=2, yc=1/2, yi=6, yn=6] [L37] COND TRUE i<120 VAL [\old(ui)=2, \old(yn)=8, epi=7, i=0, K=1/2, sumej=7, ui=2, yc=1/2, yi=6, yn=6] [L38] CALL, EXPR y(i) VAL [\old(i)=0, \old(ui)=2, \old(yn)=6, ui=2, yn=6] [L16] yn += ui [L17] RET return yn; VAL [\old(i)=0, \old(ui)=2, \old(yn)=6, \result=3, i=0, ui=2, yn=3] [L38] EXPR y(i) VAL [\old(ui)=2, \old(yn)=8, epi=7, i=0, K=1/2, sumej=7, ui=2, y(i)=3, yc=1/2, yi=6, yn=3] [L38] yi = y(i) [L39] ei = yc-yi [L40] sumej = sumej+ei [L41] ui = K*(ei+sumej*T/taui+taud/T*(ei-epi)) [L42] epi = ei VAL [\old(ui)=2, \old(yn)=8, ei=4, epi=4, i=0, K=1/2, yc=1/2, yi=3, yn=3] [L44] CALL __VERIFIER_assert(epi >= -1. && epi <= 1.) VAL [\old(cond)=0, \old(ui)=2, \old(yn)=8, yn=3] [L6] COND TRUE !(cond) VAL [\old(cond)=0, \old(ui)=2, \old(yn)=8, cond=0, yn=3] [L6] __VERIFIER_error() VAL [\old(cond)=0, \old(ui)=2, \old(yn)=8, cond=0, yn=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-1dbac8b [2018-11-10 05:04:06,260 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:04:06,261 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:04:06,268 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:04:06,269 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:04:06,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:04:06,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:04:06,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:04:06,273 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:04:06,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:04:06,274 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:04:06,274 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:04:06,275 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:04:06,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:04:06,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:04:06,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:04:06,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:04:06,279 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:04:06,280 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:04:06,281 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:04:06,282 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:04:06,283 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:04:06,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:04:06,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:04:06,284 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:04:06,285 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:04:06,286 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:04:06,286 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:04:06,287 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:04:06,287 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:04:06,288 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:04:06,288 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:04:06,288 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:04:06,288 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:04:06,289 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:04:06,289 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:04:06,290 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 05:04:06,300 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:04:06,300 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:04:06,301 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:04:06,301 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:04:06,301 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:04:06,301 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:04:06,302 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:04:06,302 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:04:06,302 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:04:06,302 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:04:06,302 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:04:06,302 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:04:06,302 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:04:06,303 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:04:06,303 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:04:06,303 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:04:06,303 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:04:06,303 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:04:06,303 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:04:06,303 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:04:06,303 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:04:06,304 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:04:06,304 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:04:06,304 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:04:06,304 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:04:06,304 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:04:06,304 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:04:06,304 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 05:04:06,305 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:04:06,305 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:04:06,305 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:04:06,305 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/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 -> 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 [2018-11-10 05:04:06,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:04:06,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:04:06,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:04:06,350 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:04:06,350 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:04:06,351 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c [2018-11-10 05:04:06,397 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/data/a9d973b60/00dd921273c640bc9517996d3fb4544a/FLAGd3553dafa [2018-11-10 05:04:06,724 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:04:06,725 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c [2018-11-10 05:04:06,728 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/data/a9d973b60/00dd921273c640bc9517996d3fb4544a/FLAGd3553dafa [2018-11-10 05:04:06,738 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/uautomizer/data/a9d973b60/00dd921273c640bc9517996d3fb4544a [2018-11-10 05:04:06,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:04:06,741 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:04:06,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:04:06,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:04:06,743 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:04:06,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:04:06" (1/1) ... [2018-11-10 05:04:06,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24051e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06, skipping insertion in model container [2018-11-10 05:04:06,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:04:06" (1/1) ... [2018-11-10 05:04:06,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:04:06,765 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:04:06,882 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:04:06,887 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:04:06,903 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:04:06,912 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:04:06,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06 WrapperNode [2018-11-10 05:04:06,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:04:06,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:04:06,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:04:06,913 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:04:06,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06" (1/1) ... [2018-11-10 05:04:06,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06" (1/1) ... [2018-11-10 05:04:06,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06" (1/1) ... [2018-11-10 05:04:06,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06" (1/1) ... [2018-11-10 05:04:06,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06" (1/1) ... [2018-11-10 05:04:06,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06" (1/1) ... [2018-11-10 05:04:06,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06" (1/1) ... [2018-11-10 05:04:06,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:04:06,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:04:06,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:04:06,936 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:04:06,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/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 [2018-11-10 05:04:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:04:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:04:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 05:04:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure y [2018-11-10 05:04:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:04:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 05:04:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 05:04:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure y [2018-11-10 05:04:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:04:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:04:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:04:09,963 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:04:09,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:04:09 BoogieIcfgContainer [2018-11-10 05:04:09,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:04:09,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:04:09,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:04:09,967 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:04:09,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:04:06" (1/3) ... [2018-11-10 05:04:09,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6fe46b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:04:09, skipping insertion in model container [2018-11-10 05:04:09,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:06" (2/3) ... [2018-11-10 05:04:09,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6fe46b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:04:09, skipping insertion in model container [2018-11-10 05:04:09,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:04:09" (3/3) ... [2018-11-10 05:04:09,970 INFO L112 eAbstractionObserver]: Analyzing ICFG water_pid_true-unreach-call_true-termination.c [2018-11-10 05:04:09,979 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:04:09,985 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:04:09,999 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:04:10,024 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:04:10,025 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:04:10,025 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:04:10,025 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:04:10,025 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:04:10,026 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:04:10,026 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:04:10,026 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:04:10,026 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:04:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-10 05:04:10,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 05:04:10,045 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:04:10,046 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:04:10,047 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:04:10,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:04:10,052 INFO L82 PathProgramCache]: Analyzing trace with hash 220960723, now seen corresponding path program 1 times [2018-11-10 05:04:10,055 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:04:10,056 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/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 [2018-11-10 05:04:10,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:04:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:04:13,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:04:13,979 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-10 05:04:14,518 WARN L179 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-10 05:04:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 05:04:14,693 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:04:14,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:04:14,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-10 05:04:14,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 05:04:14,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 05:04:14,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-10 05:04:14,744 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 11 states. [2018-11-10 05:04:15,584 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-11-10 05:04:16,052 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-11-10 05:04:27,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:04:27,618 INFO L93 Difference]: Finished difference Result 73 states and 85 transitions. [2018-11-10 05:04:27,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 05:04:27,630 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2018-11-10 05:04:27,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:04:27,638 INFO L225 Difference]: With dead ends: 73 [2018-11-10 05:04:27,638 INFO L226 Difference]: Without dead ends: 40 [2018-11-10 05:04:27,641 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-11-10 05:04:27,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-10 05:04:27,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2018-11-10 05:04:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-10 05:04:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-11-10 05:04:27,678 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 22 [2018-11-10 05:04:27,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:04:27,679 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-11-10 05:04:27,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 05:04:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-11-10 05:04:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 05:04:27,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:04:27,682 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:04:27,682 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:04:27,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:04:27,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1878853563, now seen corresponding path program 1 times [2018-11-10 05:04:27,683 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:04:27,683 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1f0903a-30fd-4488-9200-d8716a6a7159/bin-2019/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 [2018-11-10 05:04:27,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:04:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:04:33,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:04:34,434 WARN L179 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-10 05:04:35,562 WARN L179 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-10 05:04:54,584 WARN L179 SmtUtils]: Spent 8.47 s on a formula simplification that was a NOOP. DAG size: 27 [2018-11-10 05:04:56,653 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 11 53) RNE (_ bv0 32)))) (let ((.cse4 (fp.add RNE .cse5 .cse5))) (and (= c_~ui~0 (let ((.cse0 ((_ to_fp 11 53) RNE (/ 1.0 2.0)))) (fp.mul RNE .cse0 (let ((.cse3 ((_ to_fp 11 53) RNE (_ bv1 32))) (.cse1 (fp.sub RNE .cse0 c_~yn~0)) (.cse2 (fp.sub RNE .cse0 .cse4))) (fp.add RNE (fp.add RNE .cse1 (fp.div RNE (fp.mul RNE (fp.add RNE .cse2 .cse1) .cse3) .cse3)) (fp.mul RNE (fp.div RNE .cse3 .cse3) (fp.sub RNE .cse1 .cse2))))))) (= c_~yn~0 (fp.add RNE .cse4 .cse5))))) is different from true [2018-11-10 05:04:58,759 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 11 53) RNE (_ bv0 32))) (.cse3 ((_ to_fp 11 53) RNE (_ bv1 32)))) (let ((.cse0 ((_ to_fp 11 53) RNE (/ 1.0 2.0))) (.cse4 (fp.div RNE .cse3 .cse3)) (.cse5 (fp.add RNE .cse6 .cse6))) (and (= c_main_~yc~0 .cse0) (= c_~ui~0 (fp.mul RNE .cse0 (let ((.cse1 (fp.sub RNE .cse0 c_~yn~0)) (.cse2 (fp.sub RNE .cse0 .cse5))) (fp.add RNE (fp.add RNE .cse1 (fp.div RNE (fp.mul RNE (fp.add RNE .cse2 .cse1) .cse3) .cse3)) (fp.mul RNE .cse4 (fp.sub RNE .cse1 .cse2)))))) (= c_~yn~0 (fp.add RNE .cse5 .cse6)) (= c_~ui~0 (fp.mul RNE .cse0 (let ((.cse7 (fp.sub RNE c_main_~yc~0 c_~yn~0)) (.cse8 (fp.sub RNE c_main_~yc~0 .cse5))) (fp.add RNE (fp.add RNE .cse7 (fp.div RNE (fp.mul RNE (fp.add RNE .cse8 .cse7) .cse3) .cse3)) (fp.mul RNE .cse4 (fp.sub RNE .cse7 .cse8))))))))) is different from false [2018-11-10 05:05:05,494 WARN L179 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 29 [2018-11-10 05:05:14,152 WARN L179 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2018-11-10 05:05:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 1 times theorem prover too weak. 3 trivial. 5 not checked. [2018-11-10 05:05:21,483 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 05:05:38,437 WARN L179 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 10 [2018-11-10 05:05:38,982 WARN L179 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 05:05:39,560 WARN L179 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 05:05:41,278 WARN L179 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 15 [2018-11-10 05:05:42,617 WARN L179 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 13 [2018-11-10 05:06:17,441 WARN L179 SmtUtils]: Spent 4.59 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-10 05:06:19,501 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_main_~yc~0_BEFORE_CALL_7 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_7 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (or (not (fp.leq .cse0 .cse1)) (not (fp.geq .cse0 (fp.neg .cse1))) (fp.leq (fp.sub RNE v_main_~yc~0_BEFORE_CALL_7 |c_y_#res|) .cse1)))) (forall ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) RNE 1.0))) (let ((.cse2 (fp.sub RNE v_prenex_1 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (.cse4 (fp.neg .cse3))) (or (not (fp.leq .cse2 .cse3)) (not (fp.geq .cse2 .cse4)) (fp.geq (fp.sub RNE v_prenex_1 |c_y_#res|) .cse4)))))) is different from true [2018-11-10 05:06:21,571 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_main_~yc~0_BEFORE_CALL_7 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_7 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (or (not (fp.leq .cse0 .cse1)) (not (fp.geq .cse0 (fp.neg .cse1))) (fp.leq (fp.sub RNE v_main_~yc~0_BEFORE_CALL_7 (fp.add RNE c_~yn~0 c_~ui~0)) .cse1)))) (forall ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) RNE 1.0))) (let ((.cse3 (fp.sub RNE v_prenex_1 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (.cse2 (fp.neg .cse4))) (or (fp.geq (fp.sub RNE v_prenex_1 (fp.add RNE c_~yn~0 c_~ui~0)) .cse2) (not (fp.leq .cse3 .cse4)) (not (fp.geq .cse3 .cse2))))))) is different from true [2018-11-10 05:06:24,402 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub RNE c_main_~yc~0 (fp.add RNE c_~yn~0 (fp.mul RNE c_main_~K~0 (let ((.cse2 (fp.sub RNE c_main_~yc~0 |c_main_#t~ret2|))) (fp.add RNE (fp.add RNE .cse2 (fp.div RNE (fp.mul RNE (fp.add RNE c_main_~sumej~0 .cse2) c_main_~T~0) c_main_~taui~0)) (fp.mul RNE (fp.div RNE c_main_~taud~0 c_main_~T~0) (fp.sub RNE .cse2 c_main_~epi~0)))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from false [2018-11-10 05:06:27,220 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub RNE c_main_~yc~0 (fp.add RNE c_~yn~0 (fp.mul RNE c_main_~K~0 (let ((.cse2 (fp.sub RNE c_main_~yc~0 |c_main_#t~ret2|))) (fp.add RNE (fp.add RNE .cse2 (fp.div RNE (fp.mul RNE (fp.add RNE c_main_~sumej~0 .cse2) c_main_~T~0) c_main_~taui~0)) (fp.mul RNE (fp.div RNE c_main_~taud~0 c_main_~T~0) (fp.sub RNE .cse2 c_main_~epi~0)))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from true [2018-11-10 05:06:28,228 WARN L179 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 05:06:28,887 WARN L179 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 05:06:30,193 WARN L179 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 15 [2018-11-10 05:06:31,367 WARN L179 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 13 [2018-11-10 05:06:34,195 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub RNE c_main_~yc~0 (let ((.cse2 (fp.add RNE c_~yn~0 c_~ui~0))) (fp.add RNE .cse2 (fp.mul RNE c_main_~K~0 (let ((.cse3 (fp.sub RNE c_main_~yc~0 .cse2))) (fp.add RNE (fp.add RNE .cse3 (fp.div RNE (fp.mul RNE (fp.add RNE c_main_~sumej~0 .cse3) c_main_~T~0) c_main_~taui~0)) (fp.mul RNE (fp.div RNE c_main_~taud~0 c_main_~T~0) (fp.sub RNE .cse3 c_main_~epi~0))))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from false [2018-11-10 05:06:37,016 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub RNE c_main_~yc~0 (let ((.cse2 (fp.add RNE c_~yn~0 c_~ui~0))) (fp.add RNE .cse2 (fp.mul RNE c_main_~K~0 (let ((.cse3 (fp.sub RNE c_main_~yc~0 .cse2))) (fp.add RNE (fp.add RNE .cse3 (fp.div RNE (fp.mul RNE (fp.add RNE c_main_~sumej~0 .cse3) c_main_~T~0) c_main_~taui~0)) (fp.mul RNE (fp.div RNE c_main_~taud~0 c_main_~T~0) (fp.sub RNE .cse3 c_main_~epi~0))))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (and (fp.geq .cse0 (fp.neg .cse1)) (fp.leq .cse0 .cse1))) is different from true [2018-11-10 05:06:40,440 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_main_~epi~0_BEFORE_CALL_4 (_ FloatingPoint 11 53)) (v_main_~taud~0_BEFORE_CALL_3 (_ FloatingPoint 11 53)) (v_main_~K~0_BEFORE_CALL_3 (_ FloatingPoint 11 53)) (v_main_~taui~0_BEFORE_CALL_3 (_ FloatingPoint 11 53)) (v_main_~sumej~0_BEFORE_CALL_2 (_ FloatingPoint 11 53)) (v_main_~T~0_BEFORE_CALL_3 (_ FloatingPoint 11 53)) (v_main_~yc~0_BEFORE_CALL_9 (_ FloatingPoint 11 53))) (let ((.cse3 (fp.div RNE v_main_~taud~0_BEFORE_CALL_3 v_main_~T~0_BEFORE_CALL_3))) (let ((.cse0 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_9 (let ((.cse4 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (fp.add RNE .cse4 (fp.mul RNE v_main_~K~0_BEFORE_CALL_3 (let ((.cse5 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_9 .cse4))) (fp.add RNE (fp.add RNE .cse5 (fp.div RNE (fp.mul RNE (fp.add RNE v_main_~sumej~0_BEFORE_CALL_2 .cse5) v_main_~T~0_BEFORE_CALL_3) v_main_~taui~0_BEFORE_CALL_3)) (fp.mul RNE .cse3 (fp.sub RNE .cse5 v_main_~epi~0_BEFORE_CALL_4))))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (or (not (fp.geq .cse0 (fp.neg .cse1))) (not (fp.leq .cse0 .cse1)) (fp.leq (fp.sub RNE v_main_~yc~0_BEFORE_CALL_9 (fp.add RNE c_~yn~0 (fp.mul RNE v_main_~K~0_BEFORE_CALL_3 (let ((.cse2 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_9 |c_y_#res|))) (fp.add RNE (fp.add RNE .cse2 (fp.div RNE (fp.mul RNE (fp.add RNE v_main_~sumej~0_BEFORE_CALL_2 .cse2) v_main_~T~0_BEFORE_CALL_3) v_main_~taui~0_BEFORE_CALL_3)) (fp.mul RNE .cse3 (fp.sub RNE .cse2 v_main_~epi~0_BEFORE_CALL_4))))))) .cse1))))) (forall ((v_prenex_6 (_ FloatingPoint 11 53)) (v_prenex_7 (_ FloatingPoint 11 53)) (v_prenex_4 (_ FloatingPoint 11 53)) (v_prenex_5 (_ FloatingPoint 11 53)) (v_prenex_2 (_ FloatingPoint 11 53)) (v_prenex_3 (_ FloatingPoint 11 53)) (v_prenex_8 (_ FloatingPoint 11 53))) (let ((.cse9 (fp.div RNE v_prenex_3 v_prenex_7)) (.cse10 ((_ to_fp 11 53) RNE 1.0))) (let ((.cse7 (fp.neg .cse10)) (.cse6 (fp.sub RNE v_prenex_8 (let ((.cse11 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (fp.add RNE .cse11 (fp.mul RNE v_prenex_4 (let ((.cse12 (fp.sub RNE v_prenex_8 .cse11))) (fp.add RNE (fp.add RNE .cse12 (fp.div RNE (fp.mul RNE (fp.add RNE v_prenex_6 .cse12) v_prenex_7) v_prenex_5)) (fp.mul RNE .cse9 (fp.sub RNE .cse12 v_prenex_2)))))))))) (or (not (fp.geq .cse6 .cse7)) (fp.geq (fp.sub RNE v_prenex_8 (fp.add RNE c_~yn~0 (fp.mul RNE v_prenex_4 (let ((.cse8 (fp.sub RNE v_prenex_8 |c_y_#res|))) (fp.add RNE (fp.add RNE .cse8 (fp.div RNE (fp.mul RNE (fp.add RNE v_prenex_6 .cse8) v_prenex_7) v_prenex_5)) (fp.mul RNE .cse9 (fp.sub RNE .cse8 v_prenex_2))))))) .cse7) (not (fp.leq .cse6 .cse10))))))) is different from true [2018-11-10 05:06:43,679 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_prenex_6 (_ FloatingPoint 11 53)) (v_prenex_7 (_ FloatingPoint 11 53)) (v_prenex_4 (_ FloatingPoint 11 53)) (v_prenex_5 (_ FloatingPoint 11 53)) (v_prenex_2 (_ FloatingPoint 11 53)) (v_prenex_3 (_ FloatingPoint 11 53)) (v_prenex_8 (_ FloatingPoint 11 53))) (let ((.cse2 (fp.div RNE v_prenex_3 v_prenex_7)) (.cse5 ((_ to_fp 11 53) RNE 1.0))) (let ((.cse3 (fp.neg .cse5)) (.cse4 (fp.sub RNE v_prenex_8 (let ((.cse6 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (fp.add RNE .cse6 (fp.mul RNE v_prenex_4 (let ((.cse7 (fp.sub RNE v_prenex_8 .cse6))) (fp.add RNE (fp.add RNE .cse7 (fp.div RNE (fp.mul RNE (fp.add RNE v_prenex_6 .cse7) v_prenex_7) v_prenex_5)) (fp.mul RNE .cse2 (fp.sub RNE .cse7 v_prenex_2)))))))))) (or (fp.geq (fp.sub RNE v_prenex_8 (let ((.cse0 (fp.add RNE c_~yn~0 c_~ui~0))) (fp.add RNE .cse0 (fp.mul RNE v_prenex_4 (let ((.cse1 (fp.sub RNE v_prenex_8 .cse0))) (fp.add RNE (fp.add RNE .cse1 (fp.div RNE (fp.mul RNE (fp.add RNE v_prenex_6 .cse1) v_prenex_7) v_prenex_5)) (fp.mul RNE .cse2 (fp.sub RNE .cse1 v_prenex_2)))))))) .cse3) (not (fp.geq .cse4 .cse3)) (not (fp.leq .cse4 .cse5)))))) (forall ((v_main_~epi~0_BEFORE_CALL_4 (_ FloatingPoint 11 53)) (v_main_~taud~0_BEFORE_CALL_3 (_ FloatingPoint 11 53)) (v_main_~K~0_BEFORE_CALL_3 (_ FloatingPoint 11 53)) (v_main_~taui~0_BEFORE_CALL_3 (_ FloatingPoint 11 53)) (v_main_~sumej~0_BEFORE_CALL_2 (_ FloatingPoint 11 53)) (v_main_~T~0_BEFORE_CALL_3 (_ FloatingPoint 11 53)) (v_main_~yc~0_BEFORE_CALL_9 (_ FloatingPoint 11 53))) (let ((.cse12 (fp.div RNE v_main_~taud~0_BEFORE_CALL_3 v_main_~T~0_BEFORE_CALL_3))) (let ((.cse8 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_9 (let ((.cse13 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (fp.add RNE .cse13 (fp.mul RNE v_main_~K~0_BEFORE_CALL_3 (let ((.cse14 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_9 .cse13))) (fp.add RNE (fp.add RNE .cse14 (fp.div RNE (fp.mul RNE (fp.add RNE v_main_~sumej~0_BEFORE_CALL_2 .cse14) v_main_~T~0_BEFORE_CALL_3) v_main_~taui~0_BEFORE_CALL_3)) (fp.mul RNE .cse12 (fp.sub RNE .cse14 v_main_~epi~0_BEFORE_CALL_4))))))))) (.cse9 ((_ to_fp 11 53) RNE 1.0))) (or (not (fp.geq .cse8 (fp.neg .cse9))) (fp.leq (fp.sub RNE v_main_~yc~0_BEFORE_CALL_9 (let ((.cse10 (fp.add RNE c_~yn~0 c_~ui~0))) (fp.add RNE .cse10 (fp.mul RNE v_main_~K~0_BEFORE_CALL_3 (let ((.cse11 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_9 .cse10))) (fp.add RNE (fp.add RNE .cse11 (fp.div RNE (fp.mul RNE (fp.add RNE v_main_~sumej~0_BEFORE_CALL_2 .cse11) v_main_~T~0_BEFORE_CALL_3) v_main_~taui~0_BEFORE_CALL_3)) (fp.mul RNE .cse12 (fp.sub RNE .cse11 v_main_~epi~0_BEFORE_CALL_4)))))))) .cse9) (not (fp.leq .cse8 .cse9))))))) is different from true [2018-11-10 05:06:46,457 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub RNE c_main_~yc~0 (let ((.cse2 (fp.add RNE c_~yn~0 c_~ui~0))) (fp.add RNE .cse2 (fp.mul RNE c_main_~K~0 (let ((.cse3 (fp.sub RNE c_main_~yc~0 .cse2)) (.cse4 (fp.sub RNE c_main_~yc~0 |c_main_#t~ret0|))) (fp.add RNE (fp.add RNE .cse3 (fp.div RNE (fp.mul RNE (fp.add RNE .cse4 .cse3) c_main_~T~0) c_main_~taui~0)) (fp.mul RNE (fp.div RNE c_main_~taud~0 c_main_~T~0) (fp.sub RNE .cse3 .cse4))))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from false [2018-11-10 05:06:49,280 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub RNE c_main_~yc~0 (let ((.cse2 (fp.add RNE c_~yn~0 c_~ui~0))) (fp.add RNE .cse2 (fp.mul RNE c_main_~K~0 (let ((.cse3 (fp.sub RNE c_main_~yc~0 .cse2)) (.cse4 (fp.sub RNE c_main_~yc~0 |c_main_#t~ret0|))) (fp.add RNE (fp.add RNE .cse3 (fp.div RNE (fp.mul RNE (fp.add RNE .cse4 .cse3) c_main_~T~0) c_main_~taui~0)) (fp.mul RNE (fp.div RNE c_main_~taud~0 c_main_~T~0) (fp.sub RNE .cse3 .cse4))))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from true [2018-11-10 05:06:49,906 WARN L179 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 05:06:50,329 WARN L179 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-10 05:06:51,390 WARN L179 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 15 [2018-11-10 05:06:52,048 WARN L179 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-10 05:06:54,838 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub RNE c_main_~yc~0 (let ((.cse5 (fp.add RNE c_~yn~0 c_~ui~0))) (let ((.cse2 (fp.add RNE .cse5 c_~ui~0))) (fp.add RNE .cse2 (fp.mul RNE c_main_~K~0 (let ((.cse3 (fp.sub RNE c_main_~yc~0 .cse2)) (.cse4 (fp.sub RNE c_main_~yc~0 .cse5))) (fp.add RNE (fp.add RNE .cse3 (fp.div RNE (fp.mul RNE (fp.add RNE .cse4 .cse3) c_main_~T~0) c_main_~taui~0)) (fp.mul RNE (fp.div RNE c_main_~taud~0 c_main_~T~0) (fp.sub RNE .cse3 .cse4)))))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from false [2018-11-10 05:06:57,642 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub RNE c_main_~yc~0 (let ((.cse5 (fp.add RNE c_~yn~0 c_~ui~0))) (let ((.cse2 (fp.add RNE .cse5 c_~ui~0))) (fp.add RNE .cse2 (fp.mul RNE c_main_~K~0 (let ((.cse3 (fp.sub RNE c_main_~yc~0 .cse2)) (.cse4 (fp.sub RNE c_main_~yc~0 .cse5))) (fp.add RNE (fp.add RNE .cse3 (fp.div RNE (fp.mul RNE (fp.add RNE .cse4 .cse3) c_main_~T~0) c_main_~taui~0)) (fp.mul RNE (fp.div RNE c_main_~taud~0 c_main_~T~0) (fp.sub RNE .cse3 .cse4)))))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from true [2018-11-10 05:07:01,020 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_main_~taud~0_BEFORE_CALL_4 (_ FloatingPoint 11 53)) (v_main_~yc~0_BEFORE_CALL_10 (_ FloatingPoint 11 53)) (v_main_~T~0_BEFORE_CALL_4 (_ FloatingPoint 11 53)) (v_main_~taui~0_BEFORE_CALL_4 (_ FloatingPoint 11 53)) (v_main_~K~0_BEFORE_CALL_4 (_ FloatingPoint 11 53))) (let ((.cse5 (fp.div RNE v_main_~taud~0_BEFORE_CALL_4 v_main_~T~0_BEFORE_CALL_4))) (let ((.cse0 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 (let ((.cse9 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (let ((.cse6 (fp.add RNE .cse9 c_~ui~0))) (fp.add RNE .cse6 (fp.mul RNE v_main_~K~0_BEFORE_CALL_4 (let ((.cse7 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 .cse6)) (.cse8 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 .cse9))) (fp.add RNE (fp.add RNE .cse7 (fp.div RNE (fp.mul RNE (fp.add RNE .cse8 .cse7) v_main_~T~0_BEFORE_CALL_4) v_main_~taui~0_BEFORE_CALL_4)) (fp.mul RNE .cse5 (fp.sub RNE .cse7 .cse8)))))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (or (not (fp.leq .cse0 .cse1)) (fp.leq (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 (let ((.cse2 (fp.add RNE c_~yn~0 c_~ui~0))) (fp.add RNE .cse2 (fp.mul RNE v_main_~K~0_BEFORE_CALL_4 (let ((.cse3 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 .cse2)) (.cse4 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 |c_y_#res|))) (fp.add RNE (fp.add RNE .cse3 (fp.div RNE (fp.mul RNE (fp.add RNE .cse4 .cse3) v_main_~T~0_BEFORE_CALL_4) v_main_~taui~0_BEFORE_CALL_4)) (fp.mul RNE .cse5 (fp.sub RNE .cse3 .cse4)))))))) .cse1) (not (fp.geq .cse0 (fp.neg .cse1))))))) (forall ((v_prenex_12 (_ FloatingPoint 11 53)) (v_prenex_11 (_ FloatingPoint 11 53)) (v_prenex_13 (_ FloatingPoint 11 53)) (v_prenex_10 (_ FloatingPoint 11 53)) (v_prenex_9 (_ FloatingPoint 11 53))) (let ((.cse12 ((_ to_fp 11 53) RNE 1.0)) (.cse16 (fp.div RNE v_prenex_9 v_prenex_11))) (let ((.cse10 (fp.sub RNE v_prenex_10 (let ((.cse20 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (let ((.cse17 (fp.add RNE .cse20 c_~ui~0))) (fp.add RNE .cse17 (fp.mul RNE v_prenex_13 (let ((.cse18 (fp.sub RNE v_prenex_10 .cse17)) (.cse19 (fp.sub RNE v_prenex_10 .cse20))) (fp.add RNE (fp.add RNE .cse18 (fp.div RNE (fp.mul RNE (fp.add RNE .cse19 .cse18) v_prenex_11) v_prenex_12)) (fp.mul RNE .cse16 (fp.sub RNE .cse18 .cse19)))))))))) (.cse11 (fp.neg .cse12))) (or (not (fp.geq .cse10 .cse11)) (not (fp.leq .cse10 .cse12)) (fp.geq (fp.sub RNE v_prenex_10 (let ((.cse13 (fp.add RNE c_~yn~0 c_~ui~0))) (fp.add RNE .cse13 (fp.mul RNE v_prenex_13 (let ((.cse14 (fp.sub RNE v_prenex_10 .cse13)) (.cse15 (fp.sub RNE v_prenex_10 |c_y_#res|))) (fp.add RNE (fp.add RNE .cse14 (fp.div RNE (fp.mul RNE (fp.add RNE .cse15 .cse14) v_prenex_11) v_prenex_12)) (fp.mul RNE .cse16 (fp.sub RNE .cse14 .cse15)))))))) .cse11)))))) is different from true [2018-11-10 05:07:04,243 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_prenex_12 (_ FloatingPoint 11 53)) (v_prenex_11 (_ FloatingPoint 11 53)) (v_prenex_13 (_ FloatingPoint 11 53)) (v_prenex_10 (_ FloatingPoint 11 53)) (v_prenex_9 (_ FloatingPoint 11 53))) (let ((.cse5 (fp.div RNE v_prenex_9 v_prenex_11)) (.cse7 ((_ to_fp 11 53) RNE 1.0))) (let ((.cse1 (fp.neg .cse7)) (.cse0 (fp.sub RNE v_prenex_10 (let ((.cse11 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (let ((.cse8 (fp.add RNE .cse11 c_~ui~0))) (fp.add RNE .cse8 (fp.mul RNE v_prenex_13 (let ((.cse9 (fp.sub RNE v_prenex_10 .cse8)) (.cse10 (fp.sub RNE v_prenex_10 .cse11))) (fp.add RNE (fp.add RNE .cse9 (fp.div RNE (fp.mul RNE (fp.add RNE .cse10 .cse9) v_prenex_11) v_prenex_12)) (fp.mul RNE .cse5 (fp.sub RNE .cse9 .cse10))))))))))) (or (not (fp.geq .cse0 .cse1)) (fp.geq (fp.sub RNE v_prenex_10 (let ((.cse6 (fp.add RNE c_~yn~0 c_~ui~0))) (let ((.cse2 (fp.add RNE .cse6 c_~ui~0))) (fp.add RNE .cse2 (fp.mul RNE v_prenex_13 (let ((.cse3 (fp.sub RNE v_prenex_10 .cse2)) (.cse4 (fp.sub RNE v_prenex_10 .cse6))) (fp.add RNE (fp.add RNE .cse3 (fp.div RNE (fp.mul RNE (fp.add RNE .cse4 .cse3) v_prenex_11) v_prenex_12)) (fp.mul RNE .cse5 (fp.sub RNE .cse3 .cse4))))))))) .cse1) (not (fp.leq .cse0 .cse7)))))) (forall ((v_main_~taud~0_BEFORE_CALL_4 (_ FloatingPoint 11 53)) (v_main_~yc~0_BEFORE_CALL_10 (_ FloatingPoint 11 53)) (v_main_~T~0_BEFORE_CALL_4 (_ FloatingPoint 11 53)) (v_main_~taui~0_BEFORE_CALL_4 (_ FloatingPoint 11 53)) (v_main_~K~0_BEFORE_CALL_4 (_ FloatingPoint 11 53))) (let ((.cse17 (fp.div RNE v_main_~taud~0_BEFORE_CALL_4 v_main_~T~0_BEFORE_CALL_4))) (let ((.cse12 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 (let ((.cse22 (fp.add RNE |c_old(~yn~0)| c_~ui~0))) (let ((.cse19 (fp.add RNE .cse22 c_~ui~0))) (fp.add RNE .cse19 (fp.mul RNE v_main_~K~0_BEFORE_CALL_4 (let ((.cse20 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 .cse19)) (.cse21 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 .cse22))) (fp.add RNE (fp.add RNE .cse20 (fp.div RNE (fp.mul RNE (fp.add RNE .cse21 .cse20) v_main_~T~0_BEFORE_CALL_4) v_main_~taui~0_BEFORE_CALL_4)) (fp.mul RNE .cse17 (fp.sub RNE .cse20 .cse21)))))))))) (.cse13 ((_ to_fp 11 53) RNE 1.0))) (or (not (fp.leq .cse12 .cse13)) (fp.leq (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 (let ((.cse18 (fp.add RNE c_~yn~0 c_~ui~0))) (let ((.cse14 (fp.add RNE .cse18 c_~ui~0))) (fp.add RNE .cse14 (fp.mul RNE v_main_~K~0_BEFORE_CALL_4 (let ((.cse15 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 .cse14)) (.cse16 (fp.sub RNE v_main_~yc~0_BEFORE_CALL_10 .cse18))) (fp.add RNE (fp.add RNE .cse15 (fp.div RNE (fp.mul RNE (fp.add RNE .cse16 .cse15) v_main_~T~0_BEFORE_CALL_4) v_main_~taui~0_BEFORE_CALL_4)) (fp.mul RNE .cse17 (fp.sub RNE .cse15 .cse16))))))))) .cse13) (not (fp.geq .cse12 (fp.neg .cse13)))))))) is different from true [2018-11-10 05:07:06,391 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 ((_ to_fp 11 53) RNE (/ 1.0 2.0)))) (fp.sub RNE .cse2 (let ((.cse7 (fp.add RNE c_~yn~0 c_~ui~0))) (let ((.cse3 (fp.add RNE .cse7 c_~ui~0))) (fp.add RNE .cse3 (fp.mul RNE .cse2 (let ((.cse6 ((_ to_fp 11 53) RNE (_ bv1 32))) (.cse4 (fp.sub RNE .cse2 .cse3)) (.cse5 (fp.sub RNE .cse2 .cse7))) (fp.add RNE (fp.add RNE .cse4 (fp.div RNE (fp.mul RNE (fp.add RNE .cse5 .cse4) .cse6) .cse6)) (fp.mul RNE (fp.div RNE .cse6 .cse6) (fp.sub RNE .cse4 .cse5))))))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from false [2018-11-10 05:07:08,535 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 ((_ to_fp 11 53) RNE (/ 1.0 2.0)))) (fp.sub RNE .cse2 (let ((.cse7 (fp.add RNE c_~yn~0 c_~ui~0))) (let ((.cse3 (fp.add RNE .cse7 c_~ui~0))) (fp.add RNE .cse3 (fp.mul RNE .cse2 (let ((.cse6 ((_ to_fp 11 53) RNE (_ bv1 32))) (.cse4 (fp.sub RNE .cse2 .cse3)) (.cse5 (fp.sub RNE .cse2 .cse7))) (fp.add RNE (fp.add RNE .cse4 (fp.div RNE (fp.mul RNE (fp.add RNE .cse5 .cse4) .cse6) .cse6)) (fp.mul RNE (fp.div RNE .cse6 .cse6) (fp.sub RNE .cse4 .cse5))))))))))) (.cse1 ((_ to_fp 11 53) RNE 1.0))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from true [2018-11-10 05:07:08,600 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 13 not checked. [2018-11-10 05:07:08,651 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 05:07:08,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2018-11-10 05:07:08,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-10 05:07:08,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-10 05:07:08,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=357, Unknown=34, NotChecked=650, Total=1122 [2018-11-10 05:07:08,653 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 34 states. [2018-11-10 05:07:13,230 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) RNE (_ bv0 32))) (.cse1 (let ((.cse3 ((_ to_fp 11 53) RNE (/ 1.0 2.0)))) (fp.sub RNE .cse3 (let ((.cse8 (fp.add RNE c_~yn~0 c_~ui~0))) (let ((.cse4 (fp.add RNE .cse8 c_~ui~0))) (fp.add RNE .cse4 (fp.mul RNE .cse3 (let ((.cse7 ((_ to_fp 11 53) RNE (_ bv1 32))) (.cse5 (fp.sub RNE .cse3 .cse4)) (.cse6 (fp.sub RNE .cse3 .cse8))) (fp.add RNE (fp.add RNE .cse5 (fp.div RNE (fp.mul RNE (fp.add RNE .cse6 .cse5) .cse7) .cse7)) (fp.mul RNE (fp.div RNE .cse7 .cse7) (fp.sub RNE .cse5 .cse6))))))))))) (.cse2 ((_ to_fp 11 53) RNE 1.0))) (and (= c_~yn~0 .cse0) (= c_~ui~0 .cse0) (fp.leq .cse1 .cse2) (fp.geq .cse1 (fp.neg .cse2)))) is different from true [2018-11-10 05:07:15,436 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) RNE (/ 1.0 2.0))) (.cse4 ((_ to_fp 11 53) RNE (_ bv0 32))) (.cse2 (fp.sub RNE c_main_~yc~0 (let ((.cse8 (fp.add RNE c_~yn~0 c_~ui~0))) (let ((.cse5 (fp.add RNE .cse8 c_~ui~0))) (fp.add RNE .cse5 (fp.mul RNE c_main_~K~0 (let ((.cse6 (fp.sub RNE c_main_~yc~0 .cse5)) (.cse7 (fp.sub RNE c_main_~yc~0 .cse8))) (fp.add RNE (fp.add RNE .cse6 (fp.div RNE (fp.mul RNE (fp.add RNE .cse7 .cse6) c_main_~T~0) c_main_~taui~0)) (fp.mul RNE (fp.div RNE c_main_~taud~0 c_main_~T~0) (fp.sub RNE .cse6 .cse7)))))))))) (.cse3 ((_ to_fp 11 53) RNE 1.0)) (.cse1 ((_ to_fp 11 53) RNE (_ bv1 32)))) (and (= c_main_~yc~0 .cse0) (= .cse1 c_main_~T~0) (= c_main_~K~0 .cse0) (fp.leq .cse2 .cse3) (= c_~yn~0 .cse4) (= c_~ui~0 .cse4) (= .cse1 c_main_~taud~0) (fp.geq .cse2 (fp.neg .cse3)) (= .cse1 c_main_~taui~0))) is different from false [2018-11-10 05:07:18,253 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) RNE (/ 1.0 2.0))) (.cse4 ((_ to_fp 11 53) RNE (_ bv0 32))) (.cse2 (fp.sub RNE c_main_~yc~0 (let ((.cse8 (fp.add RNE c_~yn~0 c_~ui~0))) (let ((.cse5 (fp.add RNE .cse8 c_~ui~0))) (fp.add RNE .cse5 (fp.mul RNE c_main_~K~0 (let ((.cse6 (fp.sub RNE c_main_~yc~0 .cse5)) (.cse7 (fp.sub RNE c_main_~yc~0 .cse8))) (fp.add RNE (fp.add RNE .cse6 (fp.div RNE (fp.mul RNE (fp.add RNE .cse7 .cse6) c_main_~T~0) c_main_~taui~0)) (fp.mul RNE (fp.div RNE c_main_~taud~0 c_main_~T~0) (fp.sub RNE .cse6 .cse7)))))))))) (.cse3 ((_ to_fp 11 53) RNE 1.0)) (.cse1 ((_ to_fp 11 53) RNE (_ bv1 32)))) (and (= c_main_~yc~0 .cse0) (= .cse1 c_main_~T~0) (= c_main_~K~0 .cse0) (fp.leq .cse2 .cse3) (= c_~yn~0 .cse4) (= c_~ui~0 .cse4) (= .cse1 c_main_~taud~0) (fp.geq .cse2 (fp.neg .cse3)) (= .cse1 c_main_~taui~0))) is different from true [2018-11-10 05:07:20,162 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-10 05:07:20,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 05:07:20,163 FATAL L265 ToolchainWalker]: 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:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:141) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:845) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:767) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:339) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:382) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.callSuccessors(AbstractInterpolantAutomaton.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.callSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.callSuccessors(TotalizeNwa.java:260) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.callSuccessors(ComplementDeterministicNwa.java:131) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.callSuccessors(ProductNwa.java:252) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.callSuccessors(ProductNwa.java:244) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addCallsAndSuccessors(NestedWordAutomatonReachableStates.java:1089) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:969) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:673) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:602) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) 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:123) 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$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 43 more [2018-11-10 05:07:20,165 INFO L168 Benchmark]: Toolchain (without parser) took 193425.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 949.7 MB in the beginning and 902.5 MB in the end (delta: 47.2 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:20,166 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:07:20,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.38 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:20,167 INFO L168 Benchmark]: Boogie Preprocessor took 23.05 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:20,167 INFO L168 Benchmark]: RCFGBuilder took 3027.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:20,168 INFO L168 Benchmark]: TraceAbstraction took 190200.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.5 MB in the end (delta: 221.2 MB). Peak memory consumption was 221.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:20,170 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.38 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.05 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3027.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 190200.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.5 MB in the end (delta: 221.2 MB). Peak memory consumption was 221.2 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...