./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 30f4e4ab 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 0.1.24-30f4e4a [2019-11-28 01:07:32,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:07:32,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:07:32,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:07:32,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:07:32,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:07:32,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:07:32,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:07:32,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:07:32,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:07:32,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:07:32,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:07:32,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:07:32,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:07:32,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:07:32,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:07:32,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:07:32,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:07:32,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:07:32,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:07:32,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:07:32,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:07:32,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:07:32,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:07:32,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:07:32,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:07:32,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:07:32,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:07:32,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:07:32,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:07:32,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:07:32,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:07:32,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:07:32,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:07:32,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:07:32,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:07:32,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:07:32,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:07:32,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:07:32,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:07:32,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:07:32,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-28 01:07:32,678 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:07:32,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:07:32,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:07:32,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:07:32,683 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:07:32,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:07:32,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:07:32,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:07:32,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:07:32,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:07:32,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:07:32,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:07:32,688 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:07:32,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:07:32,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:07:32,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:07:32,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:07:32,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:07:32,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:07:32,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:07:32,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:07:32,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:07:32,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:07:32,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:07:32,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:07:32,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:07:32,694 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 01:07:33,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:07:33,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:07:33,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:07:33,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:07:33,040 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:07:33,041 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_is_power_of_two_harness.i [2019-11-28 01:07:33,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55918047c/b4daae7b313e4f8dac600732201ec66b/FLAG3e8f303d0 [2019-11-28 01:07:33,713 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:07:33,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_is_power_of_two_harness.i [2019-11-28 01:07:33,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55918047c/b4daae7b313e4f8dac600732201ec66b/FLAG3e8f303d0 [2019-11-28 01:07:33,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55918047c/b4daae7b313e4f8dac600732201ec66b [2019-11-28 01:07:33,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:07:33,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:07:33,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:07:33,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:07:33,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:07:33,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:07:33" (1/1) ... [2019-11-28 01:07:33,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760d99d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:33, skipping insertion in model container [2019-11-28 01:07:33,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:07:33" (1/1) ... [2019-11-28 01:07:33,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:07:34,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:07:34,412 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2019-11-28 01:07:34,417 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2019-11-28 01:07:34,717 WARN L612 FunctionHandler]: implicit declaration of function __builtin_popcountl [2019-11-28 01:07:34,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:07:34,729 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:07:34,747 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2019-11-28 01:07:34,749 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2019-11-28 01:07:34,793 WARN L612 FunctionHandler]: implicit declaration of function __builtin_popcountl [2019-11-28 01:07:34,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:07:35,022 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:07:35,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35 WrapperNode [2019-11-28 01:07:35,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:07:35,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:07:35,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:07:35,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:07:35,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (1/1) ... [2019-11-28 01:07:35,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (1/1) ... [2019-11-28 01:07:35,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:07:35,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:07:35,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:07:35,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:07:35,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (1/1) ... [2019-11-28 01:07:35,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (1/1) ... [2019-11-28 01:07:35,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (1/1) ... [2019-11-28 01:07:35,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (1/1) ... [2019-11-28 01:07:35,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (1/1) ... [2019-11-28 01:07:35,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (1/1) ... [2019-11-28 01:07:35,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (1/1) ... [2019-11-28 01:07:35,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:07:35,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:07:35,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:07:35,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:07:35,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (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 01:07:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_popcountl [2019-11-28 01:07:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:07:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:07:35,477 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 01:07:35,477 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 01:07:35,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:07:35 BoogieIcfgContainer [2019-11-28 01:07:35,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 01:07:35,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 01:07:35,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 01:07:35,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 01:07:35,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:07:33" (1/3) ... [2019-11-28 01:07:35,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab969f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:07:35, skipping insertion in model container [2019-11-28 01:07:35,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:35" (2/3) ... [2019-11-28 01:07:35,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab969f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:07:35, skipping insertion in model container [2019-11-28 01:07:35,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:07:35" (3/3) ... [2019-11-28 01:07:35,487 INFO L109 eAbstractionObserver]: Analyzing ICFG aws_is_power_of_two_harness.i [2019-11-28 01:07:35,502 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 01:07:35,510 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 01:07:35,521 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 01:07:35,549 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 01:07:35,550 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 01:07:35,550 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 01:07:35,550 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 01:07:35,550 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 01:07:35,550 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 01:07:35,551 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 01:07:35,551 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 01:07:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-28 01:07:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 01:07:35,577 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 01:07:35,578 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 01:07:35,578 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 01:07:35,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 01:07:35,586 INFO L82 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2019-11-28 01:07:35,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 01:07:35,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100075338] [2019-11-28 01:07:35,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 01:07:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 01:07:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 01:07:35,841 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 01:07:35,842 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 01:07:35,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:07:35 BoogieIcfgContainer [2019-11-28 01:07:35,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 01:07:35,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 01:07:35,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 01:07:35,874 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 01:07:35,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:07:35" (3/4) ... [2019-11-28 01:07:35,879 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 01:07:35,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 01:07:35,883 INFO L168 Benchmark]: Toolchain (without parser) took 1918.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -64.9 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:35,884 INFO L168 Benchmark]: CDTParser took 0.46 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 01:07:35,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1055.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -102.7 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:35,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.21 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:35,890 INFO L168 Benchmark]: Boogie Preprocessor took 23.58 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 01:07:35,891 INFO L168 Benchmark]: RCFGBuilder took 369.92 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:35,892 INFO L168 Benchmark]: TraceAbstraction took 392.89 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:35,893 INFO L168 Benchmark]: Witness Printer took 6.28 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 01:07:35,904 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 1055.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -102.7 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.21 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.58 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 369.92 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 392.89 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.28 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 0.1.24-30f4e4a [2019-11-28 01:07:37,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:07:37,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:07:37,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:07:37,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:07:37,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:07:37,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:07:38,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:07:38,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:07:38,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:07:38,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:07:38,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:07:38,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:07:38,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:07:38,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:07:38,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:07:38,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:07:38,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:07:38,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:07:38,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:07:38,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:07:38,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:07:38,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:07:38,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:07:38,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:07:38,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:07:38,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:07:38,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:07:38,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:07:38,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:07:38,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:07:38,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:07:38,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:07:38,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:07:38,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:07:38,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:07:38,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:07:38,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:07:38,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:07:38,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:07:38,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:07:38,046 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-28 01:07:38,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:07:38,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:07:38,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:07:38,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:07:38,064 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:07:38,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:07:38,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:07:38,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:07:38,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:07:38,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:07:38,065 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:07:38,066 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:07:38,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:07:38,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:07:38,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:07:38,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:07:38,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:07:38,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:07:38,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:07:38,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:07:38,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:07:38,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:07:38,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:07:38,069 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:07:38,069 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:07:38,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:07:38,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:07:38,070 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-28 01:07:38,070 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 01:07:38,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:07:38,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:07:38,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:07:38,413 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:07:38,414 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:07:38,416 INFO L428 ainManager$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 01:07:38,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb81941b2/e6217716d24f4b85bab1ac2fe9b17d4a/FLAG73f8c67e5 [2019-11-28 01:07:39,077 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:07:39,079 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 01:07:39,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb81941b2/e6217716d24f4b85bab1ac2fe9b17d4a/FLAG73f8c67e5 [2019-11-28 01:07:39,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb81941b2/e6217716d24f4b85bab1ac2fe9b17d4a [2019-11-28 01:07:39,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:07:39,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:07:39,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:07:39,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:07:39,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:07:39,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:07:39" (1/1) ... [2019-11-28 01:07:39,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f3499a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:39, skipping insertion in model container [2019-11-28 01:07:39,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:07:39" (1/1) ... [2019-11-28 01:07:39,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:07:39,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:07:39,807 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2019-11-28 01:07:39,812 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2019-11-28 01:07:40,289 WARN L612 FunctionHandler]: implicit declaration of function __builtin_popcountl [2019-11-28 01:07:40,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:07:40,329 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:07:40,367 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2019-11-28 01:07:40,369 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2019-11-28 01:07:40,453 WARN L612 FunctionHandler]: implicit declaration of function __builtin_popcountl [2019-11-28 01:07:40,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:07:40,725 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:07:40,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40 WrapperNode [2019-11-28 01:07:40,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:07:40,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:07:40,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:07:40,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:07:40,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (1/1) ... [2019-11-28 01:07:40,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (1/1) ... [2019-11-28 01:07:40,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:07:40,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:07:40,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:07:40,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:07:40,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (1/1) ... [2019-11-28 01:07:40,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (1/1) ... [2019-11-28 01:07:40,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (1/1) ... [2019-11-28 01:07:40,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (1/1) ... [2019-11-28 01:07:40,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (1/1) ... [2019-11-28 01:07:40,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (1/1) ... [2019-11-28 01:07:40,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (1/1) ... [2019-11-28 01:07:40,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:07:40,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:07:40,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:07:40,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:07:40,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (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 01:07:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_popcountl [2019-11-28 01:07:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:07:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:07:41,277 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 01:07:41,277 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 01:07:41,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:07:41 BoogieIcfgContainer [2019-11-28 01:07:41,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 01:07:41,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 01:07:41,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 01:07:41,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 01:07:41,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:07:39" (1/3) ... [2019-11-28 01:07:41,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584fdd44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:07:41, skipping insertion in model container [2019-11-28 01:07:41,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:07:40" (2/3) ... [2019-11-28 01:07:41,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584fdd44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:07:41, skipping insertion in model container [2019-11-28 01:07:41,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:07:41" (3/3) ... [2019-11-28 01:07:41,287 INFO L109 eAbstractionObserver]: Analyzing ICFG aws_is_power_of_two_harness.i [2019-11-28 01:07:41,298 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 01:07:41,303 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 01:07:41,313 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 01:07:41,332 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 01:07:41,332 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 01:07:41,332 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 01:07:41,332 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 01:07:41,333 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 01:07:41,333 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 01:07:41,333 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 01:07:41,333 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 01:07:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-28 01:07:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 01:07:41,351 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 01:07:41,352 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 01:07:41,352 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 01:07:41,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 01:07:41,358 INFO L82 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2019-11-28 01:07:41,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 01:07:41,368 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261750592] [2019-11-28 01:07:41,368 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 01:07:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 01:07:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 01:07:41,498 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 01:07:41,499 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 01:07:41,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 01:07:41,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:07:41 BoogieIcfgContainer [2019-11-28 01:07:41,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 01:07:41,752 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 01:07:41,752 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 01:07:41,752 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 01:07:41,753 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:07:41" (3/4) ... [2019-11-28 01:07:41,756 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 01:07:41,798 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 01:07:41,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 01:07:41,801 INFO L168 Benchmark]: Toolchain (without parser) took 2473.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.3 MB in the beginning and 1.0 GB in the end (delta: -59.1 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:41,802 INFO L168 Benchmark]: CDTParser took 0.32 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 01:07:41,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1399.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -109.2 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:41,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:07:41,804 INFO L168 Benchmark]: Boogie Preprocessor took 55.57 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:41,805 INFO L168 Benchmark]: RCFGBuilder took 397.07 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:41,806 INFO L168 Benchmark]: TraceAbstraction took 471.40 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:41,807 INFO L168 Benchmark]: Witness Printer took 46.63 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:07:41,813 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 1399.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -109.2 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.82 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 55.57 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 397.07 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 471.40 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Witness Printer took 46.63 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: 6.7 MB). Peak memory consumption was 6.7 MB. 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: 0.3s, 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...