./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a0740a185a491545b0a653a1a7a9df9d4659bae .............................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a0740a185a491545b0a653a1a7a9df9d4659bae .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:09:57,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:09:57,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:09:57,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:09:57,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:09:57,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:09:57,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:09:57,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:09:57,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:09:58,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:09:58,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:09:58,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:09:58,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:09:58,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:09:58,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:09:58,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:09:58,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:09:58,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:09:58,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:09:58,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:09:58,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:09:58,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:09:58,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:09:58,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:09:58,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:09:58,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:09:58,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:09:58,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:09:58,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:09:58,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:09:58,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:09:58,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:09:58,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:09:58,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:09:58,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:09:58,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:09:58,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:09:58,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:09:58,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:09:58,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:09:58,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:09:58,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:09:58,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:09:58,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:09:58,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:09:58,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:09:58,111 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:09:58,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:09:58,112 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:09:58,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:09:58,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:09:58,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:09:58,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:09:58,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:09:58,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:09:58,115 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:09:58,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:09:58,115 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:09:58,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:09:58,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:09:58,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:09:58,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:09:58,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:09:58,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:09:58,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:09:58,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:09:58,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:09:58,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:09:58,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:09:58,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:09:58,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:09:58,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0740a185a491545b0a653a1a7a9df9d4659bae [2020-11-30 00:09:58,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:09:58,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:09:58,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:09:58,560 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:09:58,562 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:09:58,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-11-30 00:09:58,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/data/2f0682c4d/c1aa7c87d8a2467bbe914cde84e9e7fd/FLAG70354e72a [2020-11-30 00:09:59,373 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:09:59,375 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-11-30 00:09:59,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/data/2f0682c4d/c1aa7c87d8a2467bbe914cde84e9e7fd/FLAG70354e72a [2020-11-30 00:09:59,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/data/2f0682c4d/c1aa7c87d8a2467bbe914cde84e9e7fd [2020-11-30 00:09:59,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:09:59,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:09:59,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:09:59,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:09:59,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:09:59,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:09:59" (1/1) ... [2020-11-30 00:09:59,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e31839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:09:59, skipping insertion in model container [2020-11-30 00:09:59,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:09:59" (1/1) ... [2020-11-30 00:09:59,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:09:59,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:10:00,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:10:00,148 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:10:00,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:10:00,226 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:10:00,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00 WrapperNode [2020-11-30 00:10:00,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:10:00,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:10:00,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:10:00,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:10:00,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (1/1) ... [2020-11-30 00:10:00,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (1/1) ... [2020-11-30 00:10:00,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:10:00,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:10:00,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:10:00,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:10:00,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (1/1) ... [2020-11-30 00:10:00,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (1/1) ... [2020-11-30 00:10:00,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (1/1) ... [2020-11-30 00:10:00,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (1/1) ... [2020-11-30 00:10:00,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (1/1) ... [2020-11-30 00:10:00,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (1/1) ... [2020-11-30 00:10:00,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (1/1) ... [2020-11-30 00:10:00,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:10:00,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:10:00,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:10:00,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:10:00,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:10:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:10:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:10:00,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:10:00,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 00:10:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 00:10:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:10:00,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:10:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:10:00,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 00:10:00,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:10:01,403 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:10:01,404 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-30 00:10:01,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:10:01 BoogieIcfgContainer [2020-11-30 00:10:01,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:10:01,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:10:01,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:10:01,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:10:01,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:09:59" (1/3) ... [2020-11-30 00:10:01,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48941daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:10:01, skipping insertion in model container [2020-11-30 00:10:01,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:00" (2/3) ... [2020-11-30 00:10:01,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48941daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:10:01, skipping insertion in model container [2020-11-30 00:10:01,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:10:01" (3/3) ... [2020-11-30 00:10:01,415 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2020-11-30 00:10:01,428 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:10:01,433 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:10:01,447 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:10:01,495 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:10:01,495 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:10:01,495 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:10:01,495 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:10:01,495 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:10:01,496 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:10:01,496 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:10:01,496 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:10:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-11-30 00:10:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:10:01,519 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:10:01,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:10:01,520 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:10:01,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:10:01,526 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2020-11-30 00:10:01,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:10:01,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353967297] [2020-11-30 00:10:01,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:10:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:10:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:10:01,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353967297] [2020-11-30 00:10:01,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:10:01,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:10:01,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088428321] [2020-11-30 00:10:01,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:10:01,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:10:01,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:10:01,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:10:01,723 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-11-30 00:10:01,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:10:01,751 INFO L93 Difference]: Finished difference Result 109 states and 191 transitions. [2020-11-30 00:10:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:10:01,752 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-30 00:10:01,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:10:01,764 INFO L225 Difference]: With dead ends: 109 [2020-11-30 00:10:01,765 INFO L226 Difference]: Without dead ends: 52 [2020-11-30 00:10:01,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:10:01,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-30 00:10:01,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-11-30 00:10:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-30 00:10:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2020-11-30 00:10:01,814 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2020-11-30 00:10:01,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:10:01,815 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2020-11-30 00:10:01,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:10:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2020-11-30 00:10:01,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:10:01,817 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:10:01,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:10:01,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:10:01,817 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:10:01,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:10:01,819 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2020-11-30 00:10:01,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:10:01,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379079400] [2020-11-30 00:10:01,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:10:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:10:01,926 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:10:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:10:02,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:10:02,072 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:10:02,080 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:10:02,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:10:02,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:10:02 BoogieIcfgContainer [2020-11-30 00:10:02,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:10:02,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:10:02,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:10:02,135 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:10:02,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:10:01" (3/4) ... [2020-11-30 00:10:02,139 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:10:02,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:10:02,141 INFO L168 Benchmark]: Toolchain (without parser) took 2424.51 ms. Allocated memory is still 94.4 MB. Free memory was 64.2 MB in the beginning and 48.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:10:02,142 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory was 37.4 MB in the beginning and 37.4 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:10:02,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.18 ms. Allocated memory is still 94.4 MB. Free memory was 64.0 MB in the beginning and 69.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:10:02,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.87 ms. Allocated memory is still 94.4 MB. Free memory was 69.5 MB in the beginning and 67.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:10:02,145 INFO L168 Benchmark]: Boogie Preprocessor took 69.77 ms. Allocated memory is still 94.4 MB. Free memory was 67.0 MB in the beginning and 64.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:10:02,146 INFO L168 Benchmark]: RCFGBuilder took 1021.25 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 32.9 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:10:02,147 INFO L168 Benchmark]: TraceAbstraction took 726.10 ms. Allocated memory is still 94.4 MB. Free memory was 32.4 MB in the beginning and 48.9 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:10:02,148 INFO L168 Benchmark]: Witness Printer took 4.66 ms. Allocated memory is still 94.4 MB. Free memory was 48.9 MB in the beginning and 48.4 MB in the end (delta: 526.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:10:02,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory was 37.4 MB in the beginning and 37.4 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 494.18 ms. Allocated memory is still 94.4 MB. Free memory was 64.0 MB in the beginning and 69.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.87 ms. Allocated memory is still 94.4 MB. Free memory was 69.5 MB in the beginning and 67.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.77 ms. Allocated memory is still 94.4 MB. Free memory was 67.0 MB in the beginning and 64.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1021.25 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 32.9 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 726.10 ms. Allocated memory is still 94.4 MB. Free memory was 32.4 MB in the beginning and 48.9 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.66 ms. Allocated memory is still 94.4 MB. Free memory was 48.9 MB in the beginning and 48.4 MB in the end (delta: 526.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L172] double x = 1.0 / 0.0; [L173] double y = __VERIFIER_nondet_double(); [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={9:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L174] double res = fmod_double(x, y); [L18] return x != x; VAL [one_fmod=1, Zero_fmod={9:0}] [L177] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_1122a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 81 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:10:05,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:10:05,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:10:05,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:10:05,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:10:05,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:10:05,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:10:05,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:10:05,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:10:05,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:10:05,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:10:05,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:10:05,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:10:05,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:10:05,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:10:05,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:10:05,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:10:05,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:10:05,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:10:05,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:10:05,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:10:05,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:10:05,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:10:05,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:10:05,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:10:05,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:10:05,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:10:05,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:10:05,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:10:05,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:10:05,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:10:05,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:10:05,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:10:05,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:10:05,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:10:05,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:10:05,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:10:05,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:10:05,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:10:05,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:10:05,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:10:05,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:10:05,571 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:10:05,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:10:05,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:10:05,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:10:05,577 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:10:05,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:10:05,578 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:10:05,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:10:05,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:10:05,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:10:05,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:10:05,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:10:05,581 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:10:05,581 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:10:05,581 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:10:05,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:10:05,582 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:10:05,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:10:05,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:10:05,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:10:05,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:10:05,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:10:05,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:10:05,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:10:05,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:10:05,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:10:05,585 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:10:05,585 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:10:05,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:10:05,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:10:05,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:10:05,595 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0740a185a491545b0a653a1a7a9df9d4659bae [2020-11-30 00:10:06,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:10:06,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:10:06,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:10:06,127 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:10:06,128 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:10:06,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-11-30 00:10:06,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/data/fc7a8a241/03bd12f6a1df4c05b7e68a945aba14d5/FLAG0390223c7 [2020-11-30 00:10:07,018 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:10:07,020 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-11-30 00:10:07,033 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/data/fc7a8a241/03bd12f6a1df4c05b7e68a945aba14d5/FLAG0390223c7 [2020-11-30 00:10:07,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/data/fc7a8a241/03bd12f6a1df4c05b7e68a945aba14d5 [2020-11-30 00:10:07,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:10:07,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:10:07,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:10:07,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:10:07,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:10:07,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:07,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cb1ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07, skipping insertion in model container [2020-11-30 00:10:07,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:07,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:10:07,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:10:07,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:10:07,662 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:10:07,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:10:07,872 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:10:07,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07 WrapperNode [2020-11-30 00:10:07,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:10:07,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:10:07,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:10:07,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:10:07,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:07,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:07,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:10:07,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:10:07,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:10:07,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:10:07,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:07,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:07,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:08,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:08,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:08,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:08,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (1/1) ... [2020-11-30 00:10:08,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:10:08,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:10:08,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:10:08,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:10:08,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:10:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 00:10:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-30 00:10:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:10:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:10:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-30 00:10:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:10:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:10:08,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:10:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:10:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:10:12,890 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:10:12,891 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-30 00:10:12,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:10:12 BoogieIcfgContainer [2020-11-30 00:10:12,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:10:12,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:10:12,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:10:12,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:10:12,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:10:07" (1/3) ... [2020-11-30 00:10:12,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19150a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:10:12, skipping insertion in model container [2020-11-30 00:10:12,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:10:07" (2/3) ... [2020-11-30 00:10:12,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19150a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:10:12, skipping insertion in model container [2020-11-30 00:10:12,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:10:12" (3/3) ... [2020-11-30 00:10:12,904 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2020-11-30 00:10:12,918 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:10:12,924 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:10:12,940 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:10:12,980 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:10:12,980 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:10:12,981 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:10:12,981 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:10:12,981 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:10:12,982 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:10:12,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:10:12,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:10:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-11-30 00:10:13,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:10:13,007 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:10:13,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:10:13,008 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:10:13,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:10:13,016 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2020-11-30 00:10:13,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:10:13,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149562553] [2020-11-30 00:10:13,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 00:10:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:10:14,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 00:10:14,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:10:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:10:14,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:10:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:10:14,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149562553] [2020-11-30 00:10:14,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:10:14,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:10:14,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61980417] [2020-11-30 00:10:14,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:10:14,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:10:14,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:10:14,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:10:14,513 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-11-30 00:10:14,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:10:14,542 INFO L93 Difference]: Finished difference Result 109 states and 191 transitions. [2020-11-30 00:10:14,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:10:14,544 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-30 00:10:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:10:14,557 INFO L225 Difference]: With dead ends: 109 [2020-11-30 00:10:14,557 INFO L226 Difference]: Without dead ends: 52 [2020-11-30 00:10:14,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:10:14,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-30 00:10:14,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-11-30 00:10:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-30 00:10:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2020-11-30 00:10:14,610 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2020-11-30 00:10:14,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:10:14,611 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2020-11-30 00:10:14,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:10:14,611 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2020-11-30 00:10:14,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:10:14,612 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:10:14,612 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:10:14,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:10:14,827 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:10:14,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:10:14,829 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2020-11-30 00:10:14,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:10:14,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911107487] [2020-11-30 00:10:14,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 00:10:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:10:16,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-30 00:10:16,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:10:29,209 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification that was a NOOP. DAG size: 11 [2020-11-30 00:10:39,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:10:39,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:10:52,585 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2020-11-30 00:10:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:10:54,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911107487] [2020-11-30 00:10:54,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:10:54,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-11-30 00:10:54,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091743207] [2020-11-30 00:10:54,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 00:10:54,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:10:54,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 00:10:54,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=67, Unknown=3, NotChecked=16, Total=110 [2020-11-30 00:10:54,859 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 11 states. [2020-11-30 00:11:00,411 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_fmod_double_~x (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (_ +zero 11 53)))) is different from true [2020-11-30 00:11:02,879 WARN L838 $PredicateComparison]: unable to prove that (and (not (fp.eq |c_ULTIMATE.start_fmod_double_#res| |c_ULTIMATE.start_fmod_double_#res|)) (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= |c_ULTIMATE.start_fmod_double_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0))))) is different from false [2020-11-30 00:11:17,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:17,686 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2020-11-30 00:11:17,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:11:17,729 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2020-11-30 00:11:17,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:17,731 INFO L225 Difference]: With dead ends: 57 [2020-11-30 00:11:17,731 INFO L226 Difference]: Without dead ends: 52 [2020-11-30 00:11:17,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 45.0s TimeCoverageRelationStatistics Valid=34, Invalid=83, Unknown=5, NotChecked=60, Total=182 [2020-11-30 00:11:17,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-30 00:11:17,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-11-30 00:11:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-30 00:11:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2020-11-30 00:11:17,741 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2020-11-30 00:11:17,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:17,742 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-11-30 00:11:17,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 00:11:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2020-11-30 00:11:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 00:11:17,743 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:17,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:17,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:11:17,947 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:17,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:17,948 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2020-11-30 00:11:17,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:11:17,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427552153] [2020-11-30 00:11:17,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 00:11:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:18,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-30 00:11:18,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:11:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:18,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:11:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:18,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427552153] [2020-11-30 00:11:18,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:18,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2020-11-30 00:11:18,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309355830] [2020-11-30 00:11:18,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:11:18,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:11:18,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:11:18,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:11:18,573 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 7 states. [2020-11-30 00:11:18,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:18,680 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2020-11-30 00:11:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:11:18,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-11-30 00:11:18,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:18,684 INFO L225 Difference]: With dead ends: 52 [2020-11-30 00:11:18,684 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:11:18,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:11:18,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:11:18,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:11:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:11:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:11:18,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-11-30 00:11:18,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:18,686 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:11:18,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:11:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:11:18,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:11:18,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:11:18,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:11:24,289 WARN L193 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2020-11-30 00:11:35,329 WARN L193 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2020-11-30 00:11:35,342 INFO L274 CegarLoopResult]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2020-11-30 00:11:35,342 INFO L270 CegarLoopResult]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2020-11-30 00:11:35,342 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:11:35,342 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:11:35,342 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:11:35,343 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2020-11-30 00:11:35,343 INFO L274 CegarLoopResult]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2020-11-30 00:11:35,343 INFO L270 CegarLoopResult]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2020-11-30 00:11:35,343 INFO L274 CegarLoopResult]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2020-11-30 00:11:35,343 INFO L274 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2020-11-30 00:11:35,343 INFO L274 CegarLoopResult]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2020-11-30 00:11:35,344 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2020-11-30 00:11:35,344 INFO L270 CegarLoopResult]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2020-11-30 00:11:35,344 INFO L274 CegarLoopResult]: For program point L154(lines 154 159) no Hoare annotation was computed. [2020-11-30 00:11:35,344 INFO L274 CegarLoopResult]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2020-11-30 00:11:35,344 INFO L274 CegarLoopResult]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2020-11-30 00:11:35,344 INFO L274 CegarLoopResult]: For program point L55(lines 25 163) no Hoare annotation was computed. [2020-11-30 00:11:35,344 INFO L274 CegarLoopResult]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2020-11-30 00:11:35,345 INFO L274 CegarLoopResult]: For program point L56(lines 56 62) no Hoare annotation was computed. [2020-11-30 00:11:35,345 INFO L274 CegarLoopResult]: For program point L106(lines 106 107) no Hoare annotation was computed. [2020-11-30 00:11:35,345 INFO L274 CegarLoopResult]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2020-11-30 00:11:35,345 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2020-11-30 00:11:35,345 INFO L270 CegarLoopResult]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2020-11-30 00:11:35,345 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:11:35,345 INFO L270 CegarLoopResult]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2020-11-30 00:11:35,346 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-30 00:11:35,346 INFO L274 CegarLoopResult]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2020-11-30 00:11:35,346 INFO L274 CegarLoopResult]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2020-11-30 00:11:35,346 INFO L270 CegarLoopResult]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2020-11-30 00:11:35,346 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:11:35,346 INFO L274 CegarLoopResult]: For program point L177(lines 177 180) no Hoare annotation was computed. [2020-11-30 00:11:35,346 INFO L274 CegarLoopResult]: For program point L144(lines 144 153) no Hoare annotation was computed. [2020-11-30 00:11:35,347 INFO L274 CegarLoopResult]: For program point L45(lines 45 47) no Hoare annotation was computed. [2020-11-30 00:11:35,347 INFO L274 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2020-11-30 00:11:35,347 INFO L270 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_fmod_double_~x (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2020-11-30 00:11:35,347 INFO L274 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2020-11-30 00:11:35,347 INFO L270 CegarLoopResult]: At program point L162(lines 25 163) the Hoare annotation is: (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= |ULTIMATE.start_fmod_double_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) [2020-11-30 00:11:35,348 INFO L270 CegarLoopResult]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2020-11-30 00:11:35,348 INFO L274 CegarLoopResult]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2020-11-30 00:11:35,348 INFO L274 CegarLoopResult]: For program point L147(lines 147 153) no Hoare annotation was computed. [2020-11-30 00:11:35,348 INFO L274 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-11-30 00:11:35,348 INFO L274 CegarLoopResult]: For program point L48(lines 48 53) no Hoare annotation was computed. [2020-11-30 00:11:35,348 INFO L274 CegarLoopResult]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2020-11-30 00:11:35,348 INFO L274 CegarLoopResult]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2020-11-30 00:11:35,348 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:11:35,349 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:11:35,349 INFO L274 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-11-30 00:11:35,349 INFO L274 CegarLoopResult]: For program point L66(lines 25 163) no Hoare annotation was computed. [2020-11-30 00:11:35,349 INFO L277 CegarLoopResult]: At program point L182(lines 165 183) the Hoare annotation is: true [2020-11-30 00:11:35,349 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-30 00:11:35,349 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-11-30 00:11:35,350 INFO L270 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) [2020-11-30 00:11:35,350 INFO L274 CegarLoopResult]: For program point L134(lines 134 161) no Hoare annotation was computed. [2020-11-30 00:11:35,350 INFO L274 CegarLoopResult]: For program point L35(lines 35 40) no Hoare annotation was computed. [2020-11-30 00:11:35,350 INFO L274 CegarLoopResult]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2020-11-30 00:11:35,350 INFO L274 CegarLoopResult]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2020-11-30 00:11:35,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,397 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,397 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,399 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-11-30 00:11:35,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,401 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-11-30 00:11:35,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-11-30 00:11:35,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-11-30 00:11:35,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:11:35 BoogieIcfgContainer [2020-11-30 00:11:35,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:11:35,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:11:35,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:11:35,414 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:11:35,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:10:12" (3/4) ... [2020-11-30 00:11:35,418 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:11:35,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:11:35,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-30 00:11:35,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:11:35,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:11:35,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8971bb68-2467-4909-a631-baa8de7dcb25/bin/uautomizer/witness.graphml [2020-11-30 00:11:35,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:11:35,520 INFO L168 Benchmark]: Toolchain (without parser) took 88221.32 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 46.7 MB in the beginning and 39.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:35,523 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 67.1 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:35,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.46 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 47.3 MB in the end (delta: -843.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:35,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.69 ms. Allocated memory is still 67.1 MB. Free memory was 47.3 MB in the beginning and 44.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:35,527 INFO L168 Benchmark]: Boogie Preprocessor took 54.44 ms. Allocated memory is still 67.1 MB. Free memory was 44.9 MB in the beginning and 42.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:35,528 INFO L168 Benchmark]: RCFGBuilder took 4857.31 ms. Allocated memory is still 67.1 MB. Free memory was 42.6 MB in the beginning and 31.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:35,531 INFO L168 Benchmark]: TraceAbstraction took 82517.08 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 31.0 MB in the beginning and 42.6 MB in the end (delta: -11.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:35,532 INFO L168 Benchmark]: Witness Printer took 105.02 ms. Allocated memory is still 88.1 MB. Free memory was 42.6 MB in the beginning and 39.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:35,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 67.1 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 573.46 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 47.3 MB in the end (delta: -843.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.69 ms. Allocated memory is still 67.1 MB. Free memory was 47.3 MB in the beginning and 44.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.44 ms. Allocated memory is still 67.1 MB. Free memory was 44.9 MB in the beginning and 42.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4857.31 ms. Allocated memory is still 67.1 MB. Free memory was 42.6 MB in the beginning and 31.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 82517.08 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 31.0 MB in the beginning and 42.6 MB in the end (delta: -11.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Witness Printer took 105.02 ms. Allocated memory is still 88.1 MB. Free memory was 42.6 MB in the beginning and 39.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant [2020-11-30 00:11:35,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,545 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,546 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:11:35,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2020-11-30 00:11:35,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,549 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-11-30 00:11:35,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,550 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-11-30 00:11:35,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,552 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-11-30 00:11:35,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 00:11:35,553 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~y : C_DOUBLE :: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y))) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 65.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 23.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 160 SDtfs, 9 SDslu, 339 SDs, 0 SdLazy, 25 SolverSat, 3 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 45.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 46 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 16.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 39.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 14 QuantifiedInterpolants, 5264 SizeOfPredicates, 19 NumberOfNonLiveVariables, 215 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...