./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_is_power_of_two_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c9c8a757 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_is_power_of_two_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 64bit --witnessprinter.graph.data.programhash cae4d22ed75317dc8394177d0ccfc215153eb491 ............................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_is_power_of_two_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 64bit --witnessprinter.graph.data.programhash cae4d22ed75317dc8394177d0ccfc215153eb491 .................................................................................................................................................................................................................................... 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-c9c8a75 [2019-11-28 09:34:21,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 09:34:21,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 09:34:21,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 09:34:21,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 09:34:21,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 09:34:21,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 09:34:21,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 09:34:21,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 09:34:21,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 09:34:21,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 09:34:21,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 09:34:21,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 09:34:21,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 09:34:21,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 09:34:21,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 09:34:21,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 09:34:21,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 09:34:21,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 09:34:21,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 09:34:21,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 09:34:21,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 09:34:21,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 09:34:21,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 09:34:21,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 09:34:21,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 09:34:21,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 09:34:21,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 09:34:21,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 09:34:21,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 09:34:21,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 09:34:21,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 09:34:21,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 09:34:21,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 09:34:21,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 09:34:21,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 09:34:21,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 09:34:21,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 09:34:21,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 09:34:21,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 09:34:21,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 09:34:21,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-28 09:34:21,173 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 09:34:21,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 09:34:21,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 09:34:21,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 09:34:21,177 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 09:34:21,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 09:34:21,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 09:34:21,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 09:34:21,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 09:34:21,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 09:34:21,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 09:34:21,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 09:34:21,180 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 09:34:21,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 09:34:21,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 09:34:21,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 09:34:21,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 09:34:21,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 09:34:21,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 09:34:21,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 09:34:21,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 09:34:21,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 09:34:21,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 09:34:21,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 09:34:21,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 09:34:21,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 09:34:21,185 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cae4d22ed75317dc8394177d0ccfc215153eb491 [2019-11-28 09:34:21,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 09:34:21,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 09:34:21,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 09:34:21,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 09:34:21,585 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 09:34:21,586 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_is_power_of_two_harness.i [2019-11-28 09:34:21,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dfac68ce/f3be0fd1fdf14ce299481040ab2a8fc9/FLAG8c3e05f24 [2019-11-28 09:34:22,265 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 09:34:22,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_is_power_of_two_harness.i [2019-11-28 09:34:22,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dfac68ce/f3be0fd1fdf14ce299481040ab2a8fc9/FLAG8c3e05f24 [2019-11-28 09:34:22,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dfac68ce/f3be0fd1fdf14ce299481040ab2a8fc9 [2019-11-28 09:34:22,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 09:34:22,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 09:34:22,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 09:34:22,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 09:34:22,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 09:34:22,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:34:22" (1/1) ... [2019-11-28 09:34:22,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245d122c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:22, skipping insertion in model container [2019-11-28 09:34:22,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:34:22" (1/1) ... [2019-11-28 09:34:22,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 09:34:22,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 09:34:22,961 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2019-11-28 09:34:22,968 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2019-11-28 09:34:23,311 WARN L612 FunctionHandler]: implicit declaration of function __builtin_popcountl [2019-11-28 09:34:23,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:34:23,328 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 09:34:23,344 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2019-11-28 09:34:23,345 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2019-11-28 09:34:23,392 WARN L612 FunctionHandler]: implicit declaration of function __builtin_popcountl [2019-11-28 09:34:23,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:34:23,585 INFO L208 MainTranslator]: Completed translation [2019-11-28 09:34:23,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23 WrapperNode [2019-11-28 09:34:23,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 09:34:23,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 09:34:23,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 09:34:23,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 09:34:23,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (1/1) ... [2019-11-28 09:34:23,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (1/1) ... [2019-11-28 09:34:23,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 09:34:23,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 09:34:23,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 09:34:23,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 09:34:23,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (1/1) ... [2019-11-28 09:34:23,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (1/1) ... [2019-11-28 09:34:23,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (1/1) ... [2019-11-28 09:34:23,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (1/1) ... [2019-11-28 09:34:23,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (1/1) ... [2019-11-28 09:34:23,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (1/1) ... [2019-11-28 09:34:23,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (1/1) ... [2019-11-28 09:34:23,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 09:34:23,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 09:34:23,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 09:34:23,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 09:34:23,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 09:34:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_popcountl [2019-11-28 09:34:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 09:34:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 09:34:24,080 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 09:34:24,081 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 09:34:24,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:34:24 BoogieIcfgContainer [2019-11-28 09:34:24,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 09:34:24,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 09:34:24,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 09:34:24,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 09:34:24,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 09:34:22" (1/3) ... [2019-11-28 09:34:24,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a042610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 09:34:24, skipping insertion in model container [2019-11-28 09:34:24,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:23" (2/3) ... [2019-11-28 09:34:24,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a042610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 09:34:24, skipping insertion in model container [2019-11-28 09:34:24,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:34:24" (3/3) ... [2019-11-28 09:34:24,091 INFO L109 eAbstractionObserver]: Analyzing ICFG aws_is_power_of_two_harness.i [2019-11-28 09:34:24,101 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 09:34:24,108 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 09:34:24,121 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 09:34:24,147 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 09:34:24,147 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 09:34:24,148 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 09:34:24,148 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 09:34:24,148 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 09:34:24,148 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 09:34:24,148 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 09:34:24,149 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 09:34:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-28 09:34:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 09:34:24,170 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 09:34:24,171 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 09:34:24,172 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 09:34:24,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 09:34:24,178 INFO L82 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2019-11-28 09:34:24,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 09:34:24,188 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552894436] [2019-11-28 09:34:24,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 09:34:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 09:34:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 09:34:24,386 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 09:34:24,387 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 09:34:24,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 09:34:24 BoogieIcfgContainer [2019-11-28 09:34:24,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 09:34:24,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 09:34:24,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 09:34:24,418 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 09:34:24,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:34:24" (3/4) ... [2019-11-28 09:34:24,424 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 09:34:24,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 09:34:24,427 INFO L168 Benchmark]: Toolchain (without parser) took 1917.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -61.1 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2019-11-28 09:34:24,428 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 09:34:24,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1077.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -100.6 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2019-11-28 09:34:24,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.07 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 09:34:24,431 INFO L168 Benchmark]: Boogie Preprocessor took 32.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 09:34:24,432 INFO L168 Benchmark]: RCFGBuilder took 402.20 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-11-28 09:34:24,433 INFO L168 Benchmark]: TraceAbstraction took 333.05 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-28 09:34:24,433 INFO L168 Benchmark]: Witness Printer took 7.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 09:34:24,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1077.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -100.6 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.07 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 402.20 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 333.05 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Witness Printer took 7.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 218]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 2641. Possible FailurePath: [L2681] size_t test_val; [L2641] return x && (!(x & (x - 1))); [L2683-L2684] _Bool rval = aws_is_power_of_two(test_val); [L2686] int popcount = __builtin_popcountl(test_val); [L218] COND TRUE !cond [L218] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 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=10occurred 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, 5 NumberOfCodeBlocks, 5 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-c9c8a75 [2019-11-28 09:34:26,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 09:34:26,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 09:34:26,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 09:34:26,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 09:34:26,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 09:34:26,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 09:34:26,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 09:34:26,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 09:34:26,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 09:34:26,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 09:34:26,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 09:34:26,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 09:34:26,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 09:34:26,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 09:34:26,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 09:34:26,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 09:34:26,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 09:34:26,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 09:34:26,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 09:34:26,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 09:34:26,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 09:34:26,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 09:34:26,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 09:34:26,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 09:34:26,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 09:34:26,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 09:34:26,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 09:34:26,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 09:34:26,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 09:34:26,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 09:34:26,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 09:34:26,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 09:34:26,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 09:34:26,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 09:34:26,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 09:34:26,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 09:34:26,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 09:34:26,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 09:34:26,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 09:34:26,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 09:34:26,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-28 09:34:26,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 09:34:26,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 09:34:26,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 09:34:26,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 09:34:26,435 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 09:34:26,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 09:34:26,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 09:34:26,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 09:34:26,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 09:34:26,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 09:34:26,437 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 09:34:26,437 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 09:34:26,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 09:34:26,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 09:34:26,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 09:34:26,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 09:34:26,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 09:34:26,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 09:34:26,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 09:34:26,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 09:34:26,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 09:34:26,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 09:34:26,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 09:34:26,441 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 09:34:26,441 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 09:34:26,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 09:34:26,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 09:34:26,441 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-28 09:34:26,442 INFO L138 SettingsManager]: * To the following directory=dump/ 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cae4d22ed75317dc8394177d0ccfc215153eb491 [2019-11-28 09:34:26,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 09:34:26,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 09:34:26,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 09:34:26,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 09:34:26,764 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 09:34:26,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_is_power_of_two_harness.i [2019-11-28 09:34:26,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b495ec7fa/16296609bf034cf1aec04cc6db9830bd/FLAG3b8da7901 [2019-11-28 09:34:27,414 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 09:34:27,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_is_power_of_two_harness.i [2019-11-28 09:34:27,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b495ec7fa/16296609bf034cf1aec04cc6db9830bd/FLAG3b8da7901 [2019-11-28 09:34:27,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b495ec7fa/16296609bf034cf1aec04cc6db9830bd [2019-11-28 09:34:27,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 09:34:27,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 09:34:27,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 09:34:27,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 09:34:27,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 09:34:27,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:34:27" (1/1) ... [2019-11-28 09:34:27,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76576ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:27, skipping insertion in model container [2019-11-28 09:34:27,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:34:27" (1/1) ... [2019-11-28 09:34:27,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 09:34:27,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 09:34:28,041 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2019-11-28 09:34:28,049 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2019-11-28 09:34:28,348 WARN L612 FunctionHandler]: implicit declaration of function __builtin_popcountl [2019-11-28 09:34:28,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:34:28,368 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 09:34:28,389 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2019-11-28 09:34:28,391 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2019-11-28 09:34:28,504 WARN L612 FunctionHandler]: implicit declaration of function __builtin_popcountl [2019-11-28 09:34:28,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 09:34:28,799 INFO L208 MainTranslator]: Completed translation [2019-11-28 09:34:28,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28 WrapperNode [2019-11-28 09:34:28,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 09:34:28,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 09:34:28,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 09:34:28,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 09:34:28,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (1/1) ... [2019-11-28 09:34:28,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (1/1) ... [2019-11-28 09:34:28,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 09:34:28,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 09:34:28,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 09:34:28,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 09:34:28,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (1/1) ... [2019-11-28 09:34:28,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (1/1) ... [2019-11-28 09:34:28,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (1/1) ... [2019-11-28 09:34:28,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (1/1) ... [2019-11-28 09:34:28,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (1/1) ... [2019-11-28 09:34:28,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (1/1) ... [2019-11-28 09:34:28,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (1/1) ... [2019-11-28 09:34:28,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 09:34:28,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 09:34:28,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 09:34:28,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 09:34:28,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 09:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_popcountl [2019-11-28 09:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 09:34:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 09:34:29,371 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 09:34:29,372 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 09:34:29,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:34:29 BoogieIcfgContainer [2019-11-28 09:34:29,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 09:34:29,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 09:34:29,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 09:34:29,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 09:34:29,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 09:34:27" (1/3) ... [2019-11-28 09:34:29,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36826477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 09:34:29, skipping insertion in model container [2019-11-28 09:34:29,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:34:28" (2/3) ... [2019-11-28 09:34:29,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36826477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 09:34:29, skipping insertion in model container [2019-11-28 09:34:29,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:34:29" (3/3) ... [2019-11-28 09:34:29,382 INFO L109 eAbstractionObserver]: Analyzing ICFG aws_is_power_of_two_harness.i [2019-11-28 09:34:29,398 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 09:34:29,406 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 09:34:29,420 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 09:34:29,450 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 09:34:29,450 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 09:34:29,451 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 09:34:29,451 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 09:34:29,451 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 09:34:29,452 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 09:34:29,452 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 09:34:29,452 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 09:34:29,471 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-28 09:34:29,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 09:34:29,479 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 09:34:29,481 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 09:34:29,481 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 09:34:29,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 09:34:29,489 INFO L82 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2019-11-28 09:34:29,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 09:34:29,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826434722] [2019-11-28 09:34:29,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 09:34:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 09:34:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 09:34:29,683 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 09:34:29,683 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 09:34:29,888 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 09:34:29,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 09:34:29 BoogieIcfgContainer [2019-11-28 09:34:29,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 09:34:29,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 09:34:29,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 09:34:29,935 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 09:34:29,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:34:29" (3/4) ... [2019-11-28 09:34:29,941 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 09:34:29,999 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 09:34:30,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 09:34:30,006 INFO L168 Benchmark]: Toolchain (without parser) took 2366.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.9 MB in the beginning and 999.3 MB in the end (delta: -52.3 MB). Peak memory consumption was 92.9 MB. Max. memory is 11.5 GB. [2019-11-28 09:34:30,007 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 09:34:30,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1164.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -101.9 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2019-11-28 09:34:30,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.59 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 09:34:30,014 INFO L168 Benchmark]: Boogie Preprocessor took 37.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 09:34:30,015 INFO L168 Benchmark]: RCFGBuilder took 456.68 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-28 09:34:30,016 INFO L168 Benchmark]: TraceAbstraction took 558.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.3 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-28 09:34:30,017 INFO L168 Benchmark]: Witness Printer took 67.62 ms. Allocated memory is still 1.2 GB. Free memory is still 999.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 09:34:30,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1164.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -101.9 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.59 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 456.68 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 558.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.3 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Witness Printer took 67.62 ms. Allocated memory is still 1.2 GB. Free memory is still 999.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 218]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L2681] size_t test_val; [L2641] return x && (!(x & (x - 1))); [L2683-L2684] _Bool rval = aws_is_power_of_two(test_val); [L2686] int popcount = __builtin_popcountl(test_val); [L218] COND TRUE !cond [L218] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, 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=10occurred 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, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! Received shutdown request...