./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f322714ac20f006604c99f1f234e99ccbfae195 ............................................................................................................................................................................................................................................. 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_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f322714ac20f006604c99f1f234e99ccbfae195 ........................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:44:44,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:44:44,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:44:44,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:44:44,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:44:44,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:44:44,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:44:44,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:44:44,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:44:44,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:44:44,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:44:44,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:44:44,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:44:44,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:44:44,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:44:44,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:44:44,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:44:44,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:44:44,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:44:44,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:44:44,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:44:44,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:44:44,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:44:44,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:44:44,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:44:44,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:44:44,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:44:44,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:44:44,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:44:44,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:44:44,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:44:44,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:44:44,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:44:44,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:44:44,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:44:44,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:44:44,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:44:44,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:44:44,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:44:44,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:44:44,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:44:44,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 06:44:44,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:44:44,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:44:44,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:44:44,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:44:44,905 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:44:44,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:44:44,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:44:44,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:44:44,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:44:44,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:44:44,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:44:44,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:44:44,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:44:44,907 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:44:44,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:44:44,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:44:44,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:44:44,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:44:44,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:44:44,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:44:44,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:44:44,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:44:44,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:44:44,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:44:44,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:44:44,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:44:44,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:44:44,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:44:44,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f322714ac20f006604c99f1f234e99ccbfae195 [2019-11-20 06:44:45,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:44:45,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:44:45,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:44:45,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:44:45,054 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:44:45,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-11-20 06:44:45,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/data/59fea4870/27000283645b48028cb8c677368f64ee/FLAGd6525746f [2019-11-20 06:44:45,507 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:44:45,508 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-11-20 06:44:45,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/data/59fea4870/27000283645b48028cb8c677368f64ee/FLAGd6525746f [2019-11-20 06:44:45,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/data/59fea4870/27000283645b48028cb8c677368f64ee [2019-11-20 06:44:45,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:44:45,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:44:45,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:44:45,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:44:45,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:44:45,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd460a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45, skipping insertion in model container [2019-11-20 06:44:45,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,550 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:44:45,569 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:44:45,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:44:45,779 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:44:45,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:44:45,817 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:44:45,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45 WrapperNode [2019-11-20 06:44:45,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:44:45,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:44:45,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:44:45,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:44:45,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:44:45,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:44:45,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:44:45,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:44:45,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (1/1) ... [2019-11-20 06:44:45,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:44:45,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:44:45,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:44:45,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:44:45,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:44:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:44:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 06:44:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:44:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 06:44:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:44:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:44:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 06:44:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:44:46,312 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:44:46,313 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 06:44:46,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:46 BoogieIcfgContainer [2019-11-20 06:44:46,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:44:46,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:44:46,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:44:46,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:44:46,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:44:45" (1/3) ... [2019-11-20 06:44:46,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb21a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:44:46, skipping insertion in model container [2019-11-20 06:44:46,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:45" (2/3) ... [2019-11-20 06:44:46,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb21a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:44:46, skipping insertion in model container [2019-11-20 06:44:46,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:46" (3/3) ... [2019-11-20 06:44:46,321 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2019-11-20 06:44:46,329 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:44:46,335 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 06:44:46,345 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 06:44:46,365 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:44:46,365 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:44:46,365 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:44:46,365 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:44:46,370 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:44:46,370 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:44:46,371 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:44:46,371 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:44:46,383 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-11-20 06:44:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 06:44:46,388 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:44:46,388 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:46,389 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:44:46,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:46,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2019-11-20 06:44:46,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:44:46,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663144076] [2019-11-20 06:44:46,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:44:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:46,559 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:44:46,560 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 06:44:46,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:44:46 BoogieIcfgContainer [2019-11-20 06:44:46,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:44:46,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:44:46,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:44:46,586 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:44:46,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:46" (3/4) ... [2019-11-20 06:44:46,589 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 06:44:46,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:44:46,591 INFO L168 Benchmark]: Toolchain (without parser) took 1056.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 819.7 kB. Max. memory is 11.5 GB. [2019-11-20 06:44:46,592 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:44:46,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:46,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:44:46,593 INFO L168 Benchmark]: Boogie Preprocessor took 21.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:44:46,594 INFO L168 Benchmark]: RCFGBuilder took 432.72 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:46,595 INFO L168 Benchmark]: TraceAbstraction took 269.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:46,595 INFO L168 Benchmark]: Witness Printer took 3.89 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:46,599 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.80 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 21.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 432.72 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 269.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.89 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 23, overapproximation of bitwiseAnd at line 11. Possible FailurePath: [L32] double a; [L33] float r; [L35] a = __VERIFIER_nondet_double() [L8] double dmax; [L9] float f; [L11] EXPR \read(d) [L11] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L13] ((unsigned*)&dmax)[0] = 0x47efffff [L14] ((unsigned*)&dmax)[1] = 0xe0000000 [L16] EXPR \read(d) [L16] EXPR \read(dmax) [L16] COND FALSE !(d > dmax) [L19] EXPR \read(d) [L19] EXPR \read(dmax) [L19] COND FALSE !(-d > dmax) [L23] EXPR \read(d) [L23] d >= -3.41e38 && d <= 3.41e38 [L23] EXPR \read(d) [L23] d >= -3.41e38 && d <= 3.41e38 [L3] COND TRUE !(cond) [L3] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 06:44:48,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:44:48,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:44:48,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:44:48,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:44:48,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:44:48,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:44:48,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:44:48,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:44:48,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:44:48,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:44:48,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:44:48,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:44:48,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:44:48,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:44:48,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:44:48,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:44:48,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:44:48,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:44:48,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:44:48,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:44:48,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:44:48,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:44:48,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:44:48,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:44:48,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:44:48,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:44:48,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:44:48,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:44:48,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:44:48,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:44:48,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:44:48,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:44:48,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:44:48,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:44:48,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:44:48,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:44:48,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:44:48,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:44:48,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:44:48,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:44:48,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 06:44:48,441 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:44:48,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:44:48,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:44:48,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:44:48,442 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:44:48,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:44:48,443 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:44:48,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:44:48,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:44:48,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:44:48,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:44:48,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:44:48,444 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 06:44:48,444 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 06:44:48,444 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:44:48,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:44:48,445 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:44:48,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:44:48,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:44:48,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:44:48,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:44:48,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:44:48,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:44:48,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:44:48,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:44:48,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:44:48,447 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 06:44:48,447 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 06:44:48,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:44:48,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 06:44:48,448 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_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f322714ac20f006604c99f1f234e99ccbfae195 [2019-11-20 06:44:48,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:44:48,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:44:48,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:44:48,751 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:44:48,751 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:44:48,752 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-11-20 06:44:48,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/data/fba32e216/b1c4d3ead8ff49b5907f304ef29c5f12/FLAG72248a778 [2019-11-20 06:44:49,189 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:44:49,190 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-11-20 06:44:49,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/data/fba32e216/b1c4d3ead8ff49b5907f304ef29c5f12/FLAG72248a778 [2019-11-20 06:44:49,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/data/fba32e216/b1c4d3ead8ff49b5907f304ef29c5f12 [2019-11-20 06:44:49,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:44:49,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:44:49,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:44:49,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:44:49,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:44:49,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cba802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49, skipping insertion in model container [2019-11-20 06:44:49,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,605 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:44:49,625 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:44:49,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:44:49,787 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:44:49,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:44:49,828 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:44:49,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49 WrapperNode [2019-11-20 06:44:49,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:44:49,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:44:49,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:44:49,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:44:49,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:44:49,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:44:49,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:44:49,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:44:49,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (1/1) ... [2019-11-20 06:44:49,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:44:49,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:44:49,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:44:49,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:44:49,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:44:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 06:44:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 06:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 06:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 06:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:44:49,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 06:44:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 06:44:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:44:50,314 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:44:50,314 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 06:44:50,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:50 BoogieIcfgContainer [2019-11-20 06:44:50,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:44:50,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:44:50,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:44:50,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:44:50,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:44:49" (1/3) ... [2019-11-20 06:44:50,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507fa64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:44:50, skipping insertion in model container [2019-11-20 06:44:50,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:49" (2/3) ... [2019-11-20 06:44:50,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507fa64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:44:50, skipping insertion in model container [2019-11-20 06:44:50,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:50" (3/3) ... [2019-11-20 06:44:50,323 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2019-11-20 06:44:50,331 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:44:50,338 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 06:44:50,358 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 06:44:50,404 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:44:50,410 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:44:50,410 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:44:50,410 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:44:50,410 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:44:50,410 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:44:50,411 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:44:50,411 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:44:50,423 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-11-20 06:44:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 06:44:50,428 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:44:50,429 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:50,429 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:44:50,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:50,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2019-11-20 06:44:50,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:44:50,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815784180] [2019-11-20 06:44:50,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 06:44:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:44:50,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 06:44:50,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:44:50,619 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 06:44:50,645 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2019-11-20 06:44:50,645 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 06:44:50,696 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:44:50,698 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 06:44:50,699 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:107, output treesize:107 [2019-11-20 06:44:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:44:50,944 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:44:51,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:44:51,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:44:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:44:51,348 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815784180] [2019-11-20 06:44:51,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:44:51,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 10 [2019-11-20 06:44:51,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547530999] [2019-11-20 06:44:51,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 06:44:51,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:44:51,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 06:44:51,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-20 06:44:51,365 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 10 states. [2019-11-20 06:44:52,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:44:52,369 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2019-11-20 06:44:52,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 06:44:52,372 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-11-20 06:44:52,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:44:52,380 INFO L225 Difference]: With dead ends: 32 [2019-11-20 06:44:52,381 INFO L226 Difference]: Without dead ends: 10 [2019-11-20 06:44:52,387 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-20 06:44:52,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-20 06:44:52,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-20 06:44:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 06:44:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2019-11-20 06:44:52,412 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2019-11-20 06:44:52,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:44:52,413 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2019-11-20 06:44:52,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 06:44:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2019-11-20 06:44:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 06:44:52,413 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:44:52,413 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:52,618 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 06:44:52,618 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:44:52,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:52,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2019-11-20 06:44:52,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:44:52,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772512204] [2019-11-20 06:44:52,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 06:44:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:52,779 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-20 06:44:52,779 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 06:44:52,980 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 06:44:53,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:44:53 BoogieIcfgContainer [2019-11-20 06:44:53,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:44:53,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:44:53,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:44:53,006 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:44:53,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:50" (3/4) ... [2019-11-20 06:44:53,008 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 06:44:53,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_37431d45-612a-4958-880b-a59089e60a0a/bin/uautomizer/witness.graphml [2019-11-20 06:44:53,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:44:53,062 INFO L168 Benchmark]: Toolchain (without parser) took 3471.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -66.7 MB). Peak memory consumption was 81.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:53,063 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:44:53,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.95 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:53,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:53,064 INFO L168 Benchmark]: Boogie Preprocessor took 26.08 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:53,065 INFO L168 Benchmark]: RCFGBuilder took 378.15 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:53,066 INFO L168 Benchmark]: TraceAbstraction took 2688.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:53,066 INFO L168 Benchmark]: Witness Printer took 55.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:44:53,069 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 236.95 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.08 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 378.15 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2688.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. * Witness Printer took 55.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L32] double a; [L33] float r; [L35] a = __VERIFIER_nondet_double() [L8] double dmax; [L9] float f; [L11] EXPR \read(d) [L11] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L13] ((unsigned*)&dmax)[0] = 0x47efffff [L14] ((unsigned*)&dmax)[1] = 0xe0000000 [L16] EXPR \read(d) [L16] EXPR \read(dmax) [L16] COND FALSE !(d > dmax) [L19] EXPR \read(d) [L19] EXPR \read(dmax) [L19] COND FALSE !(-d > dmax) [L23] EXPR \read(d) [L23] d >= -3.41e38 && d <= 3.41e38 [L3] COND TRUE !(cond) [L3] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 15 SDslu, 54 SDs, 0 SdLazy, 65 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 3 QuantifiedInterpolants, 4720 SizeOfPredicates, 8 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 incorrect! Received shutdown request...