./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18318d2897bde0142dc4632253da5d46def4ecbb ........................................................................................................................................................................................................................................................................................................ 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_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18318d2897bde0142dc4632253da5d46def4ecbb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:03:07,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:03:07,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:03:07,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:03:07,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:03:07,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:03:07,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:03:07,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:03:07,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:03:07,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:03:07,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:03:07,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:03:07,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:03:07,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:03:07,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:03:07,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:03:07,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:03:07,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:03:07,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:03:07,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:03:07,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:03:07,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:03:07,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:03:07,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:03:07,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:03:07,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:03:07,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:03:07,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:03:07,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:03:07,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:03:07,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:03:07,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:03:07,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:03:07,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:03:07,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:03:07,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:03:07,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:03:07,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:03:07,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:03:07,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:03:07,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:03:07,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:03:07,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:03:07,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:03:07,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:03:07,847 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:03:07,847 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:03:07,847 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:03:07,847 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:03:07,847 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:03:07,847 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:03:07,847 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:03:07,848 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:03:07,848 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:03:07,848 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:03:07,848 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:03:07,848 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:03:07,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:03:07,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:03:07,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:03:07,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:03:07,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:03:07,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:03:07,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:03:07,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:03:07,850 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:03:07,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:03:07,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:03:07,851 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:03:07,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:03:07,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:03:07,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:03:07,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:03:07,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:03:07,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:03:07,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:03:07,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:03:07,852 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:03:07,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:03:07,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:03:07,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:03:07,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:03:07,853 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan 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 -> Taipan 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 -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-12-07 19:03:07,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:03:07,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:03:07,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:03:07,974 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:03:07,974 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:03:07,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-12-07 19:03:08,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/data/f6bfc61ec/9cc68c503ce544a3b603d596c36e8803/FLAG115a5b66d [2019-12-07 19:03:08,458 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:03:08,459 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-12-07 19:03:08,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/data/f6bfc61ec/9cc68c503ce544a3b603d596c36e8803/FLAG115a5b66d [2019-12-07 19:03:08,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/data/f6bfc61ec/9cc68c503ce544a3b603d596c36e8803 [2019-12-07 19:03:08,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:03:08,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:03:08,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:03:08,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:03:08,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:03:08,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d678433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08, skipping insertion in model container [2019-12-07 19:03:08,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:03:08,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:03:08,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:03:08,672 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:03:08,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:03:08,710 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:03:08,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08 WrapperNode [2019-12-07 19:03:08,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:03:08,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:03:08,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:03:08,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:03:08,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:03:08,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:03:08,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:03:08,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:03:08,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (1/1) ... [2019-12-07 19:03:08,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:03:08,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:03:08,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:03:08,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:03:08,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/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 [2019-12-07 19:03:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:03:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 19:03:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 19:03:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 19:03:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:03:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:03:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 19:03:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 19:03:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:03:09,076 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:03:09,076 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 19:03:09,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:03:09 BoogieIcfgContainer [2019-12-07 19:03:09,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:03:09,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:03:09,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:03:09,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:03:09,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:03:08" (1/3) ... [2019-12-07 19:03:09,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533db5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:03:09, skipping insertion in model container [2019-12-07 19:03:09,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:08" (2/3) ... [2019-12-07 19:03:09,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533db5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:03:09, skipping insertion in model container [2019-12-07 19:03:09,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:03:09" (3/3) ... [2019-12-07 19:03:09,082 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-12-07 19:03:09,088 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:03:09,093 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:03:09,101 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:03:09,116 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:03:09,116 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:03:09,116 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:03:09,116 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:03:09,116 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:03:09,116 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:03:09,116 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:03:09,116 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:03:09,126 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2019-12-07 19:03:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 19:03:09,130 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:03:09,130 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:03:09,130 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:03:09,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:03:09,134 INFO L82 PathProgramCache]: Analyzing trace with hash 21231316, now seen corresponding path program 1 times [2019-12-07 19:03:09,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:03:09,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438434360] [2019-12-07 19:03:09,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:03:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:03:09,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:03:09,220 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438434360] [2019-12-07 19:03:09,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:03:09,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 19:03:09,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638645383] [2019-12-07 19:03:09,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:03:09,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 19:03:09,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:03:09,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:03:09,235 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2019-12-07 19:03:09,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:03:09,248 INFO L93 Difference]: Finished difference Result 78 states and 129 transitions. [2019-12-07 19:03:09,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:03:09,249 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 19:03:09,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:03:09,256 INFO L225 Difference]: With dead ends: 78 [2019-12-07 19:03:09,256 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 19:03:09,258 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 [2019-12-07 19:03:09,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 19:03:09,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-12-07 19:03:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 19:03:09,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2019-12-07 19:03:09,281 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 10 [2019-12-07 19:03:09,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:03:09,281 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2019-12-07 19:03:09,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:03:09,281 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2019-12-07 19:03:09,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 19:03:09,282 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:03:09,282 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:03:09,282 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:03:09,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:03:09,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1567115919, now seen corresponding path program 1 times [2019-12-07 19:03:09,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:03:09,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547433056] [2019-12-07 19:03:09,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:03:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:03:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:03:09,358 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 19:03:09,359 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:03:09,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:03:09 BoogieIcfgContainer [2019-12-07 19:03:09,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:03:09,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:03:09,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:03:09,379 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:03:09,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:03:09" (3/4) ... [2019-12-07 19:03:09,382 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 19:03:09,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:03:09,383 INFO L168 Benchmark]: Toolchain (without parser) took 905.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -63.1 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:09,383 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:03:09,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:09,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.02 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:09,385 INFO L168 Benchmark]: Boogie Preprocessor took 23.03 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. [2019-12-07 19:03:09,385 INFO L168 Benchmark]: RCFGBuilder took 311.90 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:09,385 INFO L168 Benchmark]: TraceAbstraction took 301.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:09,386 INFO L168 Benchmark]: Witness Printer took 2.85 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. [2019-12-07 19:03:09,388 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 232.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.02 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.03 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 311.90 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 301.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 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: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L126] float x = 0.0f; [L127] float y = __VERIFIER_nondet_float(); [L129] COND TRUE (y < 0.0f || y > 0.0f) [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={3:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L131] float res = fmod_float(x, y); [L134] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, Zero_fmod={3:0}] [L134] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L135] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 54 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=40occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.1.25-f470102 [2019-12-07 19:03:10,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:03:10,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:03:10,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:03:10,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:03:10,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:03:10,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:03:10,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:03:10,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:03:10,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:03:10,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:03:10,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:03:10,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:03:10,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:03:10,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:03:10,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:03:10,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:03:10,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:03:10,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:03:10,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:03:10,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:03:10,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:03:10,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:03:10,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:03:10,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:03:10,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:03:10,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:03:10,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:03:10,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:03:10,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:03:10,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:03:10,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:03:10,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:03:10,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:03:10,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:03:10,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:03:10,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:03:10,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:03:10,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:03:10,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:03:10,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:03:10,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:03:10,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:03:10,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:03:10,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:03:10,898 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:03:10,898 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:03:10,898 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:03:10,898 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:03:10,898 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:03:10,898 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:03:10,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:03:10,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:03:10,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:03:10,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:03:10,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:03:10,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:03:10,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:03:10,900 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:03:10,900 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:03:10,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:03:10,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:03:10,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:03:10,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:03:10,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:03:10,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:03:10,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:03:10,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:03:10,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:03:10,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:03:10,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:03:10,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:03:10,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:03:10,903 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:03:10,903 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:03:10,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:03:10,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:03:10,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:03:10,903 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_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan 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 -> Taipan 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 -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-12-07 19:03:11,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:03:11,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:03:11,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:03:11,106 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:03:11,106 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:03:11,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-12-07 19:03:11,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/data/8dc024093/41ed7f87e8be4fcaa54a7a51338a2001/FLAG43ca5d0dc [2019-12-07 19:03:11,485 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:03:11,486 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-12-07 19:03:11,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/data/8dc024093/41ed7f87e8be4fcaa54a7a51338a2001/FLAG43ca5d0dc [2019-12-07 19:03:11,499 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/data/8dc024093/41ed7f87e8be4fcaa54a7a51338a2001 [2019-12-07 19:03:11,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:03:11,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:03:11,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:03:11,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:03:11,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:03:11,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57205783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11, skipping insertion in model container [2019-12-07 19:03:11,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:03:11,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:03:11,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:03:11,658 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:03:11,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:03:11,733 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:03:11,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11 WrapperNode [2019-12-07 19:03:11,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:03:11,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:03:11,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:03:11,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:03:11,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:03:11,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:03:11,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:03:11,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:03:11,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (1/1) ... [2019-12-07 19:03:11,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:03:11,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:03:11,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:03:11,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:03:11,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/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 [2019-12-07 19:03:11,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 19:03:11,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:03:11,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 19:03:11,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 19:03:11,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:03:11,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:03:11,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 19:03:11,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 19:03:11,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:03:13,144 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:03:13,144 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 19:03:13,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:03:13 BoogieIcfgContainer [2019-12-07 19:03:13,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:03:13,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:03:13,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:03:13,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:03:13,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:03:11" (1/3) ... [2019-12-07 19:03:13,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11778690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:03:13, skipping insertion in model container [2019-12-07 19:03:13,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:03:11" (2/3) ... [2019-12-07 19:03:13,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11778690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:03:13, skipping insertion in model container [2019-12-07 19:03:13,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:03:13" (3/3) ... [2019-12-07 19:03:13,149 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2019-12-07 19:03:13,156 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:03:13,160 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:03:13,168 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:03:13,182 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:03:13,182 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:03:13,182 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:03:13,182 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:03:13,183 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:03:13,183 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:03:13,183 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:03:13,183 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:03:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-12-07 19:03:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 19:03:13,196 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:03:13,196 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:03:13,197 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:03:13,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:03:13,200 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2019-12-07 19:03:13,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:03:13,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613455492] [2019-12-07 19:03:13,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/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 [2019-12-07 19:03:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:03:13,443 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:03:13,447 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:03:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:03:13,456 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:03:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:03:13,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613455492] [2019-12-07 19:03:13,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:03:13,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:03:13,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346138242] [2019-12-07 19:03:13,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:03:13,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:03:13,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:03:13,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:03:13,478 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2019-12-07 19:03:13,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:03:13,497 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2019-12-07 19:03:13,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:03:13,499 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 19:03:13,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:03:13,507 INFO L225 Difference]: With dead ends: 93 [2019-12-07 19:03:13,507 INFO L226 Difference]: Without dead ends: 44 [2019-12-07 19:03:13,509 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:03:13,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-07 19:03:13,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-07 19:03:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 19:03:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2019-12-07 19:03:13,533 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2019-12-07 19:03:13,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:03:13,533 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2019-12-07 19:03:13,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:03:13,533 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2019-12-07 19:03:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 19:03:13,533 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:03:13,533 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:03:13,734 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:03:13,734 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:03:13,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:03:13,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2019-12-07 19:03:13,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:03:13,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391367079] [2019-12-07 19:03:13,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/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 [2019-12-07 19:03:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:03:13,987 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 19:03:13,990 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:03:14,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:03:20,144 WARN L192 SmtUtils]: Spent 6.05 s on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2019-12-07 19:03:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:03:20,150 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:03:20,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 19:03:20,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 19:03:20,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 19:03:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:03:20,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391367079] [2019-12-07 19:03:20,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:03:20,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 19:03:20,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457158727] [2019-12-07 19:03:20,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 19:03:20,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:03:20,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 19:03:20,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-12-07 19:03:20,460 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2019-12-07 19:03:20,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:03:20,640 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2019-12-07 19:03:20,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 19:03:20,641 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-12-07 19:03:20,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:03:20,641 INFO L225 Difference]: With dead ends: 53 [2019-12-07 19:03:20,641 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 19:03:20,642 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-12-07 19:03:20,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 19:03:20,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 19:03:20,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 19:03:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-12-07 19:03:20,645 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2019-12-07 19:03:20,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:03:20,646 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-12-07 19:03:20,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 19:03:20,646 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-12-07 19:03:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 19:03:20,646 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:03:20,646 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:03:20,847 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:03:20,848 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:03:20,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:03:20,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2019-12-07 19:03:20,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:03:20,851 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923192974] [2019-12-07 19:03:20,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/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 [2019-12-07 19:03:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:03:20,943 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 19:03:20,944 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:03:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:03:20,970 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:03:20,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:03:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:03:21,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923192974] [2019-12-07 19:03:21,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:03:21,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-12-07 19:03:21,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389855729] [2019-12-07 19:03:21,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 19:03:21,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:03:21,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 19:03:21,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 19:03:21,003 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2019-12-07 19:03:21,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:03:21,064 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-12-07 19:03:21,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 19:03:21,064 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-12-07 19:03:21,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:03:21,065 INFO L225 Difference]: With dead ends: 22 [2019-12-07 19:03:21,065 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 19:03:21,065 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 19:03:21,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 19:03:21,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 19:03:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 19:03:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-12-07 19:03:21,068 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2019-12-07 19:03:21,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:03:21,068 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-12-07 19:03:21,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 19:03:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-12-07 19:03:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 19:03:21,069 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:03:21,069 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:03:21,269 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 19:03:21,270 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:03:21,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:03:21,270 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2019-12-07 19:03:21,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:03:21,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232568059] [2019-12-07 19:03:21,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/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 [2019-12-07 19:03:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:03:21,339 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 19:03:21,341 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:03:21,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:03:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:03:21,405 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:03:21,405 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 19:03:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:03:21,571 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232568059] [2019-12-07 19:03:21,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:03:21,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-12-07 19:03:21,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293191506] [2019-12-07 19:03:21,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 19:03:21,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:03:21,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 19:03:21,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-12-07 19:03:21,572 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2019-12-07 19:03:21,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:03:21,777 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-12-07 19:03:21,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 19:03:21,777 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2019-12-07 19:03:21,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:03:21,778 INFO L225 Difference]: With dead ends: 19 [2019-12-07 19:03:21,778 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 19:03:21,778 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-12-07 19:03:21,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 19:03:21,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 19:03:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 19:03:21,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 19:03:21,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-12-07 19:03:21,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:03:21,779 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:03:21,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 19:03:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:03:21,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:03:21,980 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:03:21,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 19:03:22,181 INFO L246 CegarLoopResult]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 19:03:22,181 INFO L246 CegarLoopResult]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2019-12-07 19:03:22,181 INFO L242 CegarLoopResult]: At program point L110-2(lines 110 114) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) |ULTIMATE.start_main_#t~short17| (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-12-07 19:03:22,181 INFO L246 CegarLoopResult]: For program point L110-3(lines 110 114) no Hoare annotation was computed. [2019-12-07 19:03:22,181 INFO L246 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2019-12-07 19:03:22,181 INFO L246 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L246 CegarLoopResult]: For program point L86(lines 86 103) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L246 CegarLoopResult]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L242 CegarLoopResult]: At program point L20-2(lines 20 24) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-12-07 19:03:22,182 INFO L246 CegarLoopResult]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L246 CegarLoopResult]: For program point L46(lines 17 105) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L242 CegarLoopResult]: At program point L104(lines 17 105) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-12-07 19:03:22,182 INFO L246 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L246 CegarLoopResult]: For program point L129(lines 129 138) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L246 CegarLoopResult]: For program point L129-2(lines 129 138) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L246 CegarLoopResult]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2019-12-07 19:03:22,182 INFO L242 CegarLoopResult]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2019-12-07 19:03:22,183 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2019-12-07 19:03:22,183 INFO L242 CegarLoopResult]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2019-12-07 19:03:22,183 INFO L246 CegarLoopResult]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-12-07 19:03:22,183 INFO L242 CegarLoopResult]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-12-07 19:03:22,183 INFO L246 CegarLoopResult]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2019-12-07 19:03:22,183 INFO L246 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-12-07 19:03:22,183 INFO L246 CegarLoopResult]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 19:03:22,183 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2019-12-07 19:03:22,183 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 19:03:22,183 INFO L246 CegarLoopResult]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2019-12-07 19:03:22,183 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2019-12-07 19:03:22,183 INFO L242 CegarLoopResult]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2019-12-07 19:03:22,183 INFO L246 CegarLoopResult]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2019-12-07 19:03:22,183 INFO L249 CegarLoopResult]: At program point L140(lines 119 141) the Hoare annotation is: true [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-12-07 19:03:22,184 INFO L242 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point L25(lines 25 29) no Hoare annotation was computed. [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2019-12-07 19:03:22,184 INFO L242 CegarLoopResult]: At program point L116(lines 107 117) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) |ULTIMATE.start_main_#t~short17| (or (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_fmod_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_fmod_float_~hx~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 19:03:22,184 INFO L242 CegarLoopResult]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point L76(lines 76 78) no Hoare annotation was computed. [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2019-12-07 19:03:22,184 INFO L246 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2019-12-07 19:03:22,185 INFO L246 CegarLoopResult]: For program point L134-2(lines 134 137) no Hoare annotation was computed. [2019-12-07 19:03:22,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:03:22 BoogieIcfgContainer [2019-12-07 19:03:22,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:03:22,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:03:22,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:03:22,202 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:03:22,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:03:13" (3/4) ... [2019-12-07 19:03:22,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:03:22,213 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-07 19:03:22,213 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 19:03:22,213 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:03:22,243 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f40d4065-a7d3-4782-9ae8-454c52107d70/bin/utaipan/witness.graphml [2019-12-07 19:03:22,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:03:22,244 INFO L168 Benchmark]: Toolchain (without parser) took 10742.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.4 MB in the beginning and 852.8 MB in the end (delta: 99.6 MB). Peak memory consumption was 237.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:22,244 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:03:22,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:22,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.03 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. [2019-12-07 19:03:22,245 INFO L168 Benchmark]: Boogie Preprocessor took 28.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:22,245 INFO L168 Benchmark]: RCFGBuilder took 1350.08 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:22,245 INFO L168 Benchmark]: TraceAbstraction took 9056.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.5 MB in the end (delta: 215.9 MB). Peak memory consumption was 215.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:22,246 INFO L168 Benchmark]: Witness Printer took 40.74 ms. Allocated memory is still 1.2 GB. Free memory was 859.5 MB in the beginning and 852.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:03:22,248 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 231.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.03 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 28.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1350.08 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9056.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.5 MB in the end (delta: 215.9 MB). Peak memory consumption was 215.9 MB. Max. memory is 11.5 GB. * Witness Printer took 40.74 ms. Allocated memory is still 1.2 GB. Free memory was 859.5 MB in the beginning and 852.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: 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: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2019-12-07 19:03:22,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && ~Pluszero~LONGDOUBLE() == res) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 17]: Loop Invariant [2019-12-07 19:03:22,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 107]: Loop Invariant [2019-12-07 19:03:22,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2019-12-07 19:03:22,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((((x == ~Pluszero~LONGDOUBLE() && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && \result == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Result: SAFE, OverallTime: 8.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 99 SDtfs, 162 SDslu, 103 SDs, 0 SdLazy, 69 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 173 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 9818 SizeOfPredicates, 28 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! Received shutdown request...