./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/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/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/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-cad4683 [2019-10-22 08:56:44,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:44,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:44,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:44,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:44,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:44,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:44,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:44,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:44,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:44,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:44,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:44,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:44,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:44,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:44,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:44,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:44,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:44,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:44,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:44,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:44,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:44,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:44,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:44,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:44,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:44,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:44,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:44,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:44,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:44,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:44,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:44,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:44,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:44,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:44,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:44,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:44,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:44,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:44,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:44,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:44,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:44,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:44,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:44,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:44,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:44,499 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:44,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:44,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:44,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:44,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:44,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:44,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:44,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:44,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:44,501 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:44,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:44,501 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:44,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:44,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:44,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:44,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:44,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:44,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:44,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:44,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:44,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:44,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:44,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:44,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:44,504 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/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/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 [2019-10-22 08:56:44,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:44,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:44,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:44,545 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:44,545 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:44,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-10-22 08:56:44,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/data/52c5fe2a2/daaa60fb09fe49808bf1d96d7b17afeb/FLAG154404475 [2019-10-22 08:56:45,002 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:45,003 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-10-22 08:56:45,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/data/52c5fe2a2/daaa60fb09fe49808bf1d96d7b17afeb/FLAG154404475 [2019-10-22 08:56:45,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/data/52c5fe2a2/daaa60fb09fe49808bf1d96d7b17afeb [2019-10-22 08:56:45,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:45,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:45,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:45,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:45,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:45,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e68467f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45, skipping insertion in model container [2019-10-22 08:56:45,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,052 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:45,069 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:45,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:45,272 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:45,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:45,371 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:45,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45 WrapperNode [2019-10-22 08:56:45,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:45,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:45,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:45,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:45,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:45,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:45,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:45,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:45,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (1/1) ... [2019-10-22 08:56:45,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:45,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:45,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:45,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:45,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/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 [2019-10-22 08:56:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 08:56:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:56:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 08:56:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:56:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:56:45,739 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:45,739 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 08:56:45,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:45 BoogieIcfgContainer [2019-10-22 08:56:45,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:45,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:45,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:45,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:45,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:45" (1/3) ... [2019-10-22 08:56:45,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ebb477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:45, skipping insertion in model container [2019-10-22 08:56:45,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:45" (2/3) ... [2019-10-22 08:56:45,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ebb477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:45, skipping insertion in model container [2019-10-22 08:56:45,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:45" (3/3) ... [2019-10-22 08:56:45,747 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2019-10-22 08:56:45,757 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:45,763 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:56:45,773 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:56:45,804 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:45,805 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:45,805 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:45,805 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:45,805 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:45,805 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:45,805 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:45,805 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-10-22 08:56:45,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:56:45,825 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:45,825 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:45,828 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:45,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:45,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2019-10-22 08:56:45,841 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:45,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137683875] [2019-10-22 08:56:45,842 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:45,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:45,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:46,018 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:46,019 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:56:46,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:46 BoogieIcfgContainer [2019-10-22 08:56:46,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:46,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:46,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:46,044 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:46,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:45" (3/4) ... [2019-10-22 08:56:46,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:46,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:46,049 INFO L168 Benchmark]: Toolchain (without parser) took 1016.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,050 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:46,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -197.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.62 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. [2019-10-22 08:56:46,058 INFO L168 Benchmark]: Boogie Preprocessor took 31.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,058 INFO L168 Benchmark]: RCFGBuilder took 301.86 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: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,059 INFO L168 Benchmark]: TraceAbstraction took 301.82 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,059 INFO L168 Benchmark]: Witness Printer took 4.24 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,063 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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -197.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.62 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 31.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 301.86 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: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 301.82 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: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.24 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: 7.0 MB). Peak memory consumption was 7.0 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-cad4683 [2019-10-22 08:56:48,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:48,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:48,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:48,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:48,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:48,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:48,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:48,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:48,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:48,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:48,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:48,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:48,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:48,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:48,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:48,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:48,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:48,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:48,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:48,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:48,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:48,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:48,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:48,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:48,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:48,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:48,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:48,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:48,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:48,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:48,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:48,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:48,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:48,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:48,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:48,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:48,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:48,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:48,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:48,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:48,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:56:48,101 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:48,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:48,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:48,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:48,103 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:48,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:48,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:48,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:48,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:48,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:48,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:48,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:48,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:56:48,104 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:56:48,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:48,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:48,105 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:48,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:48,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:48,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:48,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:48,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:48,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:48,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:48,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:48,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:48,107 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:56:48,107 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:56:48,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:48,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:56:48,108 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/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/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 [2019-10-22 08:56:48,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:48,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:48,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:48,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:48,153 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:48,154 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-10-22 08:56:48,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/data/4a4f2213c/558d5a120eba4b26a6a0e1c089e22f24/FLAG0383e0a5e [2019-10-22 08:56:48,567 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:48,568 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2019-10-22 08:56:48,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/data/4a4f2213c/558d5a120eba4b26a6a0e1c089e22f24/FLAG0383e0a5e [2019-10-22 08:56:48,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/data/4a4f2213c/558d5a120eba4b26a6a0e1c089e22f24 [2019-10-22 08:56:48,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:48,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:48,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:48,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:48,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:48,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef1c1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:48, skipping insertion in model container [2019-10-22 08:56:48,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:48" (1/1) ... [2019-10-22 08:56:48,952 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:48,971 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:49,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:49,155 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:49,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:49,201 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:49,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49 WrapperNode [2019-10-22 08:56:49,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:49,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:49,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:49,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:49,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (1/1) ... [2019-10-22 08:56:49,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (1/1) ... [2019-10-22 08:56:49,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:49,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:49,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:49,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:49,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (1/1) ... [2019-10-22 08:56:49,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (1/1) ... [2019-10-22 08:56:49,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (1/1) ... [2019-10-22 08:56:49,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (1/1) ... [2019-10-22 08:56:49,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (1/1) ... [2019-10-22 08:56:49,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (1/1) ... [2019-10-22 08:56:49,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (1/1) ... [2019-10-22 08:56:49,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:49,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:49,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:49,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:49,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/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 [2019-10-22 08:56:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-10-22 08:56:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-10-22 08:56:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 08:56:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:56:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 08:56:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:56:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:56:49,749 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:49,749 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 08:56:49,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:49 BoogieIcfgContainer [2019-10-22 08:56:49,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:49,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:49,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:49,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:49,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:48" (1/3) ... [2019-10-22 08:56:49,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ef2f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:49, skipping insertion in model container [2019-10-22 08:56:49,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:49" (2/3) ... [2019-10-22 08:56:49,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ef2f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:49, skipping insertion in model container [2019-10-22 08:56:49,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:49" (3/3) ... [2019-10-22 08:56:49,757 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2019-10-22 08:56:49,767 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:49,775 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:56:49,785 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:56:49,817 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:49,817 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:49,817 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:49,817 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:49,817 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:49,817 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:49,818 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:49,818 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:49,838 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-10-22 08:56:49,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:56:49,845 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:49,846 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:49,848 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:49,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:49,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2019-10-22 08:56:49,863 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:56:49,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205837251] [2019-10-22 08:56:49,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/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 [2019-10-22 08:56:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:49,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-22 08:56:49,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:50,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 08:56:50,082 INFO L375 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 [2019-10-22 08:56:50,083 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:56:50,130 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:56:50,133 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. [2019-10-22 08:56:50,133 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:107, output treesize:107 [2019-10-22 08:56:50,378 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2019-10-22 08:56:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:50,387 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:56:50,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:56:50,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:56:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:50,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205837251] [2019-10-22 08:56:50,787 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:50,788 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 10 [2019-10-22 08:56:50,788 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668347340] [2019-10-22 08:56:50,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 08:56:50,793 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:56:50,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 08:56:50,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:56:50,809 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 10 states. [2019-10-22 08:56:51,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:51,460 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2019-10-22 08:56:51,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:56:51,466 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-10-22 08:56:51,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:51,485 INFO L225 Difference]: With dead ends: 32 [2019-10-22 08:56:51,485 INFO L226 Difference]: Without dead ends: 10 [2019-10-22 08:56:51,488 INFO L600 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 [2019-10-22 08:56:51,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-10-22 08:56:51,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-10-22 08:56:51,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-10-22 08:56:51,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2019-10-22 08:56:51,521 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2019-10-22 08:56:51,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:51,522 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2019-10-22 08:56:51,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 08:56:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2019-10-22 08:56:51,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:56:51,523 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:51,523 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:51,724 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 08:56:51,724 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:51,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:51,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2019-10-22 08:56:51,725 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:56:51,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119890799] [2019-10-22 08:56:51,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/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 [2019-10-22 08:56:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:51,887 INFO L168 tionRefinementEngine]: Strategy WOLF found a feasible trace [2019-10-22 08:56:51,887 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:56:52,089 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-10-22 08:56:52,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:52 BoogieIcfgContainer [2019-10-22 08:56:52,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:52,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:52,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:52,124 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:52,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:49" (3/4) ... [2019-10-22 08:56:52,127 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 08:56:52,165 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4caefa31-fc7d-4e8e-8a26-17e295459fe2/bin/uautomizer/witness.graphml [2019-10-22 08:56:52,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:52,166 INFO L168 Benchmark]: Toolchain (without parser) took 3229.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -117.1 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:52,167 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:52,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.46 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 934.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:52,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 934.9 MB in the beginning and 1.2 GB in the end (delta: -240.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:52,168 INFO L168 Benchmark]: Boogie Preprocessor took 33.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:52,169 INFO L168 Benchmark]: RCFGBuilder took 356.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:52,169 INFO L168 Benchmark]: TraceAbstraction took 2372.61 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: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:52,170 INFO L168 Benchmark]: Witness Printer took 40.91 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. [2019-10-22 08:56:52,172 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.46 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 934.9 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 157.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 934.9 MB in the beginning and 1.2 GB in the end (delta: -240.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 356.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2372.61 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: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. * Witness Printer took 40.91 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. * 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: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 15 SDslu, 54 SDs, 0 SdLazy, 65 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 3 QuantifiedInterpolants, 4720 SizeOfPredicates, 8 NumberOfNonLiveVariables, 42 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...