./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b ............................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:49:02,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:49:02,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:49:02,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:49:02,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:49:02,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:49:02,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:49:02,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:49:02,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:49:02,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:49:02,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:49:02,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:49:02,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:49:02,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:49:02,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:49:02,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:49:02,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:49:02,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:49:02,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:49:02,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:49:02,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:49:02,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:49:02,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:49:02,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:49:02,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:49:02,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:49:02,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:49:02,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:49:02,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:49:02,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:49:02,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:49:02,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:49:02,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:49:02,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:49:02,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:49:02,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:49:02,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:49:02,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:49:02,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:49:02,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:49:02,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:49:02,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 06:49:02,984 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:49:02,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:49:02,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:49:02,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:49:02,996 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:49:02,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:49:02,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:49:02,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:49:02,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:49:02,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:49:02,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:49:02,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:49:02,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:49:02,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:49:02,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:49:02,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:49:02,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:49:02,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:49:03,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:49:03,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:49:03,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:49:03,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:49:03,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:49:03,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:49:03,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:49:03,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:49:03,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:49:03,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:49:03,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b [2019-11-20 06:49:03,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:49:03,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:49:03,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:49:03,186 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:49:03,187 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:49:03,188 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2019-11-20 06:49:03,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/data/a444896dd/7ae3807c18a845f194b03987d125b9d3/FLAG966ef1412 [2019-11-20 06:49:03,673 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:49:03,675 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2019-11-20 06:49:03,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/data/a444896dd/7ae3807c18a845f194b03987d125b9d3/FLAG966ef1412 [2019-11-20 06:49:04,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/data/a444896dd/7ae3807c18a845f194b03987d125b9d3 [2019-11-20 06:49:04,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:49:04,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:49:04,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:49:04,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:49:04,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:49:04,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e89e589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04, skipping insertion in model container [2019-11-20 06:49:04,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,067 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:49:04,096 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:49:04,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:49:04,335 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:49:04,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:49:04,396 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:49:04,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04 WrapperNode [2019-11-20 06:49:04,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:49:04,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:49:04,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:49:04,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:49:04,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:49:04,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:49:04,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:49:04,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:49:04,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (1/1) ... [2019-11-20 06:49:04,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:49:04,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:49:04,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:49:04,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:49:04,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:49:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:49:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 06:49:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:49:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 06:49:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:49:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:49:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 06:49:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:49:04,982 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:49:04,982 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 06:49:04,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:49:04 BoogieIcfgContainer [2019-11-20 06:49:04,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:49:04,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:49:04,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:49:04,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:49:04,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:49:04" (1/3) ... [2019-11-20 06:49:04,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d6256b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:49:04, skipping insertion in model container [2019-11-20 06:49:04,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:04" (2/3) ... [2019-11-20 06:49:04,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d6256b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:49:04, skipping insertion in model container [2019-11-20 06:49:04,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:49:04" (3/3) ... [2019-11-20 06:49:04,991 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a.c [2019-11-20 06:49:05,000 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:49:05,007 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 06:49:05,018 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 06:49:05,041 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:49:05,041 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:49:05,041 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:49:05,041 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:49:05,041 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:49:05,042 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:49:05,042 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:49:05,042 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:49:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-11-20 06:49:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 06:49:05,063 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:49:05,063 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:49:05,064 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:49:05,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:49:05,069 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2019-11-20 06:49:05,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:49:05,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511441925] [2019-11-20 06:49:05,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:49:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:49:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:49:05,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511441925] [2019-11-20 06:49:05,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:49:05,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 06:49:05,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057641181] [2019-11-20 06:49:05,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 06:49:05,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:49:05,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 06:49:05,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 06:49:05,220 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2019-11-20 06:49:05,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:49:05,238 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2019-11-20 06:49:05,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 06:49:05,240 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 06:49:05,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:49:05,249 INFO L225 Difference]: With dead ends: 62 [2019-11-20 06:49:05,249 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 06:49:05,252 INFO L630 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 [2019-11-20 06:49:05,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 06:49:05,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-20 06:49:05,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 06:49:05,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2019-11-20 06:49:05,296 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2019-11-20 06:49:05,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:49:05,297 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2019-11-20 06:49:05,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 06:49:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2019-11-20 06:49:05,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 06:49:05,298 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:49:05,298 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:49:05,298 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:49:05,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:49:05,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2019-11-20 06:49:05,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:49:05,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512508116] [2019-11-20 06:49:05,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:49:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:49:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:49:05,521 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:49:05,522 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 06:49:05,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:49:05 BoogieIcfgContainer [2019-11-20 06:49:05,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:49:05,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:49:05,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:49:05,561 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:49:05,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:49:04" (3/4) ... [2019-11-20 06:49:05,565 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 06:49:05,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:49:05,567 INFO L168 Benchmark]: Toolchain (without parser) took 1513.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 951.5 MB in the beginning and 1.0 GB in the end (delta: -89.2 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:49:05,567 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:49:05,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:49:05,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:49:05,569 INFO L168 Benchmark]: Boogie Preprocessor took 34.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:49:05,570 INFO L168 Benchmark]: RCFGBuilder took 506.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:49:05,570 INFO L168 Benchmark]: TraceAbstraction took 575.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2019-11-20 06:49:05,570 INFO L168 Benchmark]: Witness Printer took 4.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:49:05,573 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 506.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 575.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 137]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of bitwiseAnd at line 26. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L132] double x = 0.0; [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L133] double res = __ieee754_log(x); [L19] __int32_t hx, lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L136] COND TRUE !isinf_double(res) [L137] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 06:49:07,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:49:07,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:49:07,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:49:07,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:49:07,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:49:07,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:49:07,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:49:07,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:49:07,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:49:07,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:49:07,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:49:07,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:49:07,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:49:07,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:49:07,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:49:07,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:49:07,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:49:07,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:49:07,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:49:07,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:49:07,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:49:07,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:49:07,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:49:07,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:49:07,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:49:07,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:49:07,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:49:07,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:49:07,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:49:07,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:49:07,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:49:07,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:49:07,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:49:07,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:49:07,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:49:07,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:49:07,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:49:07,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:49:07,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:49:07,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:49:07,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 06:49:07,548 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:49:07,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:49:07,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:49:07,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:49:07,552 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:49:07,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:49:07,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:49:07,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:49:07,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:49:07,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:49:07,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:49:07,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:49:07,555 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 06:49:07,556 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 06:49:07,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:49:07,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:49:07,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:49:07,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:49:07,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:49:07,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:49:07,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:49:07,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:49:07,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:49:07,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:49:07,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:49:07,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:49:07,559 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 06:49:07,560 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 06:49:07,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:49:07,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 06:49:07,560 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad1d3a5941ec50f48eb7bcc3f41470c0fe523f0b [2019-11-20 06:49:07,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:49:07,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:49:07,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:49:07,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:49:07,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:49:07,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2019-11-20 06:49:07,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/data/b12196dba/ecc9cafe33e8448698b7a55282f17a1b/FLAGc380b1b08 [2019-11-20 06:49:08,394 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:49:08,395 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2019-11-20 06:49:08,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/data/b12196dba/ecc9cafe33e8448698b7a55282f17a1b/FLAGc380b1b08 [2019-11-20 06:49:08,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/data/b12196dba/ecc9cafe33e8448698b7a55282f17a1b [2019-11-20 06:49:08,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:49:08,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:49:08,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:49:08,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:49:08,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:49:08,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131574c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08, skipping insertion in model container [2019-11-20 06:49:08,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,433 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:49:08,461 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:49:08,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:49:08,640 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:49:08,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:49:08,806 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:49:08,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08 WrapperNode [2019-11-20 06:49:08,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:49:08,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:49:08,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:49:08,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:49:08,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:49:08,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:49:08,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:49:08,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:49:08,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (1/1) ... [2019-11-20 06:49:08,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:49:08,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:49:08,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:49:08,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:49:08,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:49:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 06:49:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 06:49:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:49:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 06:49:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:49:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:49:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 06:49:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:49:31,647 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:49:31,647 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 06:49:31,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:49:31 BoogieIcfgContainer [2019-11-20 06:49:31,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:49:31,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:49:31,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:49:31,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:49:31,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:49:08" (1/3) ... [2019-11-20 06:49:31,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5379d40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:49:31, skipping insertion in model container [2019-11-20 06:49:31,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:49:08" (2/3) ... [2019-11-20 06:49:31,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5379d40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:49:31, skipping insertion in model container [2019-11-20 06:49:31,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:49:31" (3/3) ... [2019-11-20 06:49:31,655 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a.c [2019-11-20 06:49:31,662 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:49:31,668 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 06:49:31,676 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 06:49:31,699 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:49:31,699 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:49:31,699 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:49:31,699 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:49:31,700 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:49:31,700 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:49:31,700 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:49:31,700 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:49:31,715 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-11-20 06:49:31,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 06:49:31,720 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:49:31,721 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:49:31,722 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:49:31,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:49:31,728 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2019-11-20 06:49:31,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:49:31,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847386747] [2019-11-20 06:49:31,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 06:49:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:49:32,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 06:49:32,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:49:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:49:32,665 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:49:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:49:32,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847386747] [2019-11-20 06:49:32,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:49:32,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 06:49:32,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193439909] [2019-11-20 06:49:32,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 06:49:32,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:49:32,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 06:49:32,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 06:49:32,688 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2019-11-20 06:49:32,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:49:32,705 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2019-11-20 06:49:32,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 06:49:32,707 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 06:49:32,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:49:32,716 INFO L225 Difference]: With dead ends: 62 [2019-11-20 06:49:32,717 INFO L226 Difference]: Without dead ends: 29 [2019-11-20 06:49:32,720 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 06:49:32,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-20 06:49:32,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-20 06:49:32,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 06:49:32,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2019-11-20 06:49:32,753 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2019-11-20 06:49:32,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:49:32,754 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2019-11-20 06:49:32,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 06:49:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2019-11-20 06:49:32,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 06:49:32,755 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:49:32,755 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:49:32,958 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 06:49:32,958 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:49:32,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:49:32,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2019-11-20 06:49:32,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:49:32,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268563922] [2019-11-20 06:49:32,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 06:49:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:49:34,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 06:49:34,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:49:34,171 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2019-11-20 06:49:34,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 06:49:34,197 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-11-20 06:49:34,198 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:49:34,212 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:49:34,226 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:49:34,227 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2019-11-20 06:49:34,228 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 06:49:34,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:49:34,232 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:49:34,247 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:49:34,248 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 06:49:34,249 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:52, output treesize:24 [2019-11-20 06:49:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:49:34,481 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:49:34,696 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:49:34,697 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 87 [2019-11-20 06:49:34,728 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:49:34,728 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 65 [2019-11-20 06:49:34,730 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:49:34,759 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:49:34,771 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:49:34,771 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 49 [2019-11-20 06:49:34,773 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 06:49:34,785 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:49:34,786 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:49:34,801 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:49:34,802 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 06:49:34,802 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:103, output treesize:53 [2019-11-20 06:49:37,526 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_4_3 (_ BitVec 64))) (or (not (= (fp.div roundNearestTiesToEven (fp.neg c_~two54_log~0) c_~zero~0) (fp ((_ extract 63 63) v_skolemized_v_prenex_4_3) ((_ extract 62 52) v_skolemized_v_prenex_4_3) ((_ extract 51 0) v_skolemized_v_prenex_4_3)))) (not (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_4_3)) (bvlshr (let ((.cse1 ((_ extract 31 0) v_skolemized_v_prenex_4_3))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))))) is different from false [2019-11-20 06:49:39,906 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_4_3 (_ BitVec 64))) (or (not (= (fp.div roundNearestTiesToEven (fp.neg c_~two54_log~0) c_~zero~0) (fp ((_ extract 63 63) v_skolemized_v_prenex_4_3) ((_ extract 62 52) v_skolemized_v_prenex_4_3) ((_ extract 51 0) v_skolemized_v_prenex_4_3)))) (not (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_4_3)) (bvlshr (let ((.cse1 ((_ extract 31 0) v_skolemized_v_prenex_4_3))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))))) is different from true [2019-11-20 06:49:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:49:39,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268563922] [2019-11-20 06:49:39,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:49:39,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-11-20 06:49:39,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523480191] [2019-11-20 06:49:39,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 06:49:39,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:49:39,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 06:49:39,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=128, Unknown=2, NotChecked=22, Total=182 [2019-11-20 06:49:39,925 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 14 states. [2019-11-20 06:50:05,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:50:05,665 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2019-11-20 06:50:05,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 06:50:05,673 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 14 [2019-11-20 06:50:05,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:50:05,674 INFO L225 Difference]: With dead ends: 45 [2019-11-20 06:50:05,674 INFO L226 Difference]: Without dead ends: 37 [2019-11-20 06:50:05,676 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=79, Invalid=229, Unknown=2, NotChecked=32, Total=342 [2019-11-20 06:50:05,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-20 06:50:05,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2019-11-20 06:50:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 06:50:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2019-11-20 06:50:05,696 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 14 [2019-11-20 06:50:05,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:50:05,696 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-11-20 06:50:05,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 06:50:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2019-11-20 06:50:05,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 06:50:05,698 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:50:05,699 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:50:05,918 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 06:50:05,918 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:50:05,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:50:05,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2016616349, now seen corresponding path program 1 times [2019-11-20 06:50:05,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:50:05,919 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979731258] [2019-11-20 06:50:05,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/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 [2019-11-20 06:50:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:50:06,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 06:50:06,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:50:06,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:50:06,097 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:50:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:50:06,135 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979731258] [2019-11-20 06:50:06,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:50:06,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-20 06:50:06,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443599781] [2019-11-20 06:50:06,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 06:50:06,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:50:06,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 06:50:06,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 06:50:06,137 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand 6 states. [2019-11-20 06:50:11,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:50:11,438 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2019-11-20 06:50:12,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:50:12,113 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-20 06:50:12,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:50:12,115 INFO L225 Difference]: With dead ends: 56 [2019-11-20 06:50:12,115 INFO L226 Difference]: Without dead ends: 37 [2019-11-20 06:50:12,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 06:50:12,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-20 06:50:12,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2019-11-20 06:50:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 06:50:12,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2019-11-20 06:50:12,120 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 14 [2019-11-20 06:50:12,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:50:12,121 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-11-20 06:50:12,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 06:50:12,121 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2019-11-20 06:50:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 06:50:12,122 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:50:12,122 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:50:12,326 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 06:50:12,326 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:50:12,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:50:12,326 INFO L82 PathProgramCache]: Analyzing trace with hash 933813038, now seen corresponding path program 1 times [2019-11-20 06:50:12,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:50:12,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86995560] [2019-11-20 06:50:12,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-20 06:50:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:50:12,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 06:50:12,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:50:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:50:12,784 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:50:15,413 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-11-20 06:50:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:50:17,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86995560] [2019-11-20 06:50:17,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:50:17,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-20 06:50:17,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017520304] [2019-11-20 06:50:17,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 06:50:17,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:50:17,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 06:50:17,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-20 06:50:17,637 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand 10 states. [2019-11-20 06:50:20,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:50:20,428 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2019-11-20 06:50:21,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:50:21,131 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-11-20 06:50:21,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:50:21,132 INFO L225 Difference]: With dead ends: 37 [2019-11-20 06:50:21,132 INFO L226 Difference]: Without dead ends: 26 [2019-11-20 06:50:21,133 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-20 06:50:21,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-20 06:50:21,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-20 06:50:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-20 06:50:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2019-11-20 06:50:21,140 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 18 [2019-11-20 06:50:21,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:50:21,140 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2019-11-20 06:50:21,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 06:50:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2019-11-20 06:50:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 06:50:21,142 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:50:21,142 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:50:21,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 06:50:21,343 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:50:21,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:50:21,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1217171362, now seen corresponding path program 1 times [2019-11-20 06:50:21,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:50:21,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349117708] [2019-11-20 06:50:21,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-20 06:50:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:50:21,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 06:50:21,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:50:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:50:22,018 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:50:34,942 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 28 [2019-11-20 06:50:36,991 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64)) (v_ULTIMATE.start___ieee754_log_~hx~1_25 (_ BitVec 32))) (or (not (= (fp.mul roundNearestTiesToEven c_ULTIMATE.start___ieee754_log_~x c_~two54_log~0) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|)))) (not (= (bvadd (bvneg (bvashr (bvand (_ bv1048576 32) (bvadd v_ULTIMATE.start___ieee754_log_~hx~1_25 (_ bv614244 32))) (_ bv20 32))) (_ bv1077 32)) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|) (_ bv20 32)))))) is different from true [2019-11-20 06:50:37,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:50:37,012 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349117708] [2019-11-20 06:50:37,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:50:37,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-11-20 06:50:37,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857913368] [2019-11-20 06:50:37,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-20 06:50:37,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:50:37,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 06:50:37,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=4, NotChecked=24, Total=210 [2019-11-20 06:50:37,014 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 15 states. [2019-11-20 06:50:43,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:50:43,207 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2019-11-20 06:50:43,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-20 06:50:43,307 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 24 [2019-11-20 06:50:43,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:50:43,308 INFO L225 Difference]: With dead ends: 34 [2019-11-20 06:50:43,308 INFO L226 Difference]: Without dead ends: 26 [2019-11-20 06:50:43,311 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=4, NotChecked=36, Total=420 [2019-11-20 06:50:43,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-20 06:50:43,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-20 06:50:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-20 06:50:43,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-20 06:50:43,315 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2019-11-20 06:50:43,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:50:43,315 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-20 06:50:43,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-20 06:50:43,315 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-20 06:50:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 06:50:43,316 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:50:43,316 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:50:43,516 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-20 06:50:43,517 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:50:43,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:50:43,517 INFO L82 PathProgramCache]: Analyzing trace with hash 407824736, now seen corresponding path program 1 times [2019-11-20 06:50:43,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:50:43,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425896370] [2019-11-20 06:50:43,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-20 06:50:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:50:44,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 06:50:44,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:50:44,799 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2019-11-20 06:50:44,807 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-20 06:50:44,809 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 58 [2019-11-20 06:50:44,810 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:50:44,837 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:50:44,847 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2019-11-20 06:50:44,848 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 06:50:44,864 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:50:44,869 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:50:44,869 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2019-11-20 06:50:44,870 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 06:50:44,903 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:50:44,904 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:50:44,917 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:50:44,918 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 06:50:44,918 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:71, output treesize:27 [2019-11-20 06:50:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:50:44,946 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:50:45,005 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:50:45,005 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 54 [2019-11-20 06:50:45,024 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-11-20 06:50:45,024 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:50:45,049 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:50:45,061 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:50:45,061 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 16 [2019-11-20 06:50:45,062 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 06:50:45,065 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:50:45,065 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:50:45,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:50:45,081 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 06:50:45,081 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:68, output treesize:26 [2019-11-20 06:50:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:50:46,890 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425896370] [2019-11-20 06:50:46,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:50:46,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 2] imperfect sequences [] total 5 [2019-11-20 06:50:46,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498690011] [2019-11-20 06:50:46,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 06:50:46,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:50:46,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:50:46,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:50:46,891 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2019-11-20 06:50:46,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:50:46,893 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-20 06:50:46,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 06:50:46,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 06:50:46,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:50:46,893 INFO L225 Difference]: With dead ends: 26 [2019-11-20 06:50:46,894 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 06:50:46,894 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:50:46,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 06:50:46,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 06:50:46,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 06:50:46,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 06:50:46,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-11-20 06:50:46,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:50:46,895 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:50:46,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 06:50:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 06:50:46,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:50:47,095 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-20 06:50:47,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 06:50:47,234 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2019-11-20 06:50:47,234 INFO L444 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2019-11-20 06:50:47,234 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 06:50:47,234 INFO L444 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2019-11-20 06:50:47,234 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 06:50:47,234 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2019-11-20 06:50:47,235 INFO L444 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2019-11-20 06:50:47,235 INFO L444 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2019-11-20 06:50:47,235 INFO L440 ceAbstractionStarter]: At program point L20-2(lines 20 25) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0))) (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg .cse0) (_ +zero 11 53)))) (and (= ~two54_log~0 .cse0) (= (_ +zero 11 53) ~zero~0) (= |ULTIMATE.start___ieee754_log_#res| .cse1) (= .cse1 ULTIMATE.start_isinf_double_~x)))) [2019-11-20 06:50:47,235 INFO L444 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2019-11-20 06:50:47,235 INFO L444 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2019-11-20 06:50:47,235 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 139) no Hoare annotation was computed. [2019-11-20 06:50:47,235 INFO L440 ceAbstractionStarter]: At program point L29(lines 18 30) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0))) (let ((.cse3 (fp.div roundNearestTiesToEven (fp.neg .cse0) (_ +zero 11 53)))) (and (= ~two54_log~0 .cse0) (= (_ +zero 11 53) ~zero~0) (exists ((v_skolemized_v_prenex_4_3 (_ BitVec 64))) (and (= (bvadd (bvneg (bvlshr (let ((.cse1 (bvadd (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_4_3)) (bvlshr (let ((.cse2 ((_ extract 31 0) v_skolemized_v_prenex_4_3))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32)))) (_ bv2146435072 32)))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))) (_ bv1 32)) |ULTIMATE.start_isinf_double_#res|) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) v_skolemized_v_prenex_4_3) ((_ extract 62 52) v_skolemized_v_prenex_4_3) ((_ extract 51 0) v_skolemized_v_prenex_4_3))))) (= |ULTIMATE.start___ieee754_log_#res| .cse3) (= .cse3 ULTIMATE.start_isinf_double_~x)))) [2019-11-20 06:50:47,236 INFO L444 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-11-20 06:50:47,236 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2019-11-20 06:50:47,236 INFO L440 ceAbstractionStarter]: At program point L122(lines 45 124) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0))) (and (= ~two54_log~0 .cse0) (= (_ +zero 11 53) ~zero~0) (= |ULTIMATE.start___ieee754_log_#res| (fp.div roundNearestTiesToEven (fp.neg .cse0) (_ +zero 11 53))))) [2019-11-20 06:50:47,236 INFO L444 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-11-20 06:50:47,236 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 06:50:47,236 INFO L440 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: false [2019-11-20 06:50:47,236 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2019-11-20 06:50:47,236 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 06:50:47,237 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2019-11-20 06:50:47,237 INFO L444 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2019-11-20 06:50:47,237 INFO L444 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2019-11-20 06:50:47,237 INFO L440 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: false [2019-11-20 06:50:47,237 INFO L444 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2019-11-20 06:50:47,237 INFO L447 ceAbstractionStarter]: At program point L141(lines 126 142) the Hoare annotation is: true [2019-11-20 06:50:47,237 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2019-11-20 06:50:47,237 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2019-11-20 06:50:47,237 INFO L444 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2019-11-20 06:50:47,237 INFO L440 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: false [2019-11-20 06:50:47,238 INFO L444 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2019-11-20 06:50:47,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:50:47 BoogieIcfgContainer [2019-11-20 06:50:47,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:50:47,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:50:47,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:50:47,281 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:50:47,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:49:31" (3/4) ... [2019-11-20 06:50:47,285 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:50:47,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-20 06:50:47,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 06:50:47,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 06:50:47,337 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (two54_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) && ~Pluszero~LONGDOUBLE() == zero) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) [2019-11-20 06:50:47,338 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((two54_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) && ~Pluszero~LONGDOUBLE() == zero) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x [2019-11-20 06:50:47,339 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((two54_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) && ~Pluszero~LONGDOUBLE() == zero) && (\exists v_skolemized_v_prenex_4_3 : bv64 :: ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_v_prenex_4_3[63:32]), ~bvlshr32(~bvor32(v_skolemized_v_prenex_4_3[31:0], ~bvneg32(v_skolemized_v_prenex_4_3[31:0])), 31bv32))), 2146435072bv32), ~bvneg32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_v_prenex_4_3[63:32]), ~bvlshr32(~bvor32(v_skolemized_v_prenex_4_3[31:0], ~bvneg32(v_skolemized_v_prenex_4_3[31:0])), 31bv32))), 2146435072bv32))), 31bv32)), 1bv32) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_4_3[63:63], v_skolemized_v_prenex_4_3[62:52], v_skolemized_v_prenex_4_3[51:0]))) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x [2019-11-20 06:50:47,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6069fb03-d8c4-4f7c-83bf-e51f84820269/bin/uautomizer/witness.graphml [2019-11-20 06:50:47,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:50:47,395 INFO L168 Benchmark]: Toolchain (without parser) took 98978.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.7 MB). Free memory was 957.8 MB in the beginning and 1.2 GB in the end (delta: -194.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:50:47,396 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:50:47,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:50:47,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:50:47,396 INFO L168 Benchmark]: Boogie Preprocessor took 70.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:50:47,397 INFO L168 Benchmark]: RCFGBuilder took 22701.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:50:47,397 INFO L168 Benchmark]: TraceAbstraction took 75631.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -71.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:50:47,398 INFO L168 Benchmark]: Witness Printer took 112.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:50:47,400 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 390.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 22701.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 75631.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -71.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 112.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 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 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 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[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 137]: 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: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant [2019-11-20 06:50:47,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (two54_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) && ~Pluszero~LONGDOUBLE() == zero) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant [2019-11-20 06:50:47,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((two54_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) && ~Pluszero~LONGDOUBLE() == zero) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 18]: Loop Invariant [2019-11-20 06:50:47,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,433 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,439 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,440 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 06:50:47,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:50:47,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((two54_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) && ~Pluszero~LONGDOUBLE() == zero) && (\exists v_skolemized_v_prenex_4_3 : bv64 :: ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_v_prenex_4_3[63:32]), ~bvlshr32(~bvor32(v_skolemized_v_prenex_4_3[31:0], ~bvneg32(v_skolemized_v_prenex_4_3[31:0])), 31bv32))), 2146435072bv32), ~bvneg32(~bvadd64(~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_v_prenex_4_3[63:32]), ~bvlshr32(~bvor32(v_skolemized_v_prenex_4_3[31:0], ~bvneg32(v_skolemized_v_prenex_4_3[31:0])), 31bv32))), 2146435072bv32))), 31bv32)), 1bv32) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_4_3[63:63], v_skolemized_v_prenex_4_3[62:52], v_skolemized_v_prenex_4_3[51:0]))) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Result: SAFE, OverallTime: 75.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 41.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 144 SDtfs, 164 SDslu, 532 SDs, 0 SdLazy, 201 SolverSat, 32 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 36.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 158 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 28.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 11 NumberOfFragments, 134 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 28.4s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 200 ConstructedInterpolants, 47 QuantifiedInterpolants, 35091 SizeOfPredicates, 35 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate 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...