./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af383046837f49b57572febe7198ecca5fffa750 ............................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af383046837f49b57572febe7198ecca5fffa750 ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:37:14,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:37:14,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:37:14,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:37:14,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:37:14,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:37:14,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:37:14,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:37:14,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:37:14,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:37:14,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:37:14,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:37:14,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:37:14,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:37:14,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:37:14,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:37:14,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:37:14,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:37:14,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:37:14,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:37:14,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:37:14,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:37:14,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:37:14,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:37:14,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:37:14,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:37:14,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:37:14,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:37:14,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:37:14,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:37:14,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:37:14,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:37:14,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:37:14,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:37:14,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:37:14,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:37:14,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:37:14,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:37:14,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:37:14,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:37:14,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:37:14,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 00:37:14,675 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:37:14,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:37:14,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:37:14,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:37:14,677 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:37:14,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:37:14,677 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:37:14,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:37:14,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:37:14,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:37:14,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:37:14,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:37:14,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:37:14,679 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:37:14,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:37:14,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:37:14,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:37:14,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:37:14,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:37:14,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:37:14,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:37:14,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:37:14,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:37:14,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:37:14,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:37:14,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:37:14,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:37:14,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:37:14,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af383046837f49b57572febe7198ecca5fffa750 [2019-11-20 00:37:14,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:37:14,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:37:14,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:37:14,842 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:37:14,842 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:37:14,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-11-20 00:37:14,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/data/6526f6e3d/b819507923b44dd2bfd0f74d3e2ca7a0/FLAG277ab9a54 [2019-11-20 00:37:15,328 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:37:15,329 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-11-20 00:37:15,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/data/6526f6e3d/b819507923b44dd2bfd0f74d3e2ca7a0/FLAG277ab9a54 [2019-11-20 00:37:15,352 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/data/6526f6e3d/b819507923b44dd2bfd0f74d3e2ca7a0 [2019-11-20 00:37:15,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:37:15,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:37:15,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:37:15,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:37:15,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:37:15,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e99e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15, skipping insertion in model container [2019-11-20 00:37:15,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,375 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:37:15,395 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:37:15,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:37:15,593 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:37:15,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:37:15,637 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:37:15,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15 WrapperNode [2019-11-20 00:37:15,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:37:15,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:37:15,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:37:15,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:37:15,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:37:15,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:37:15,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:37:15,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:37:15,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (1/1) ... [2019-11-20 00:37:15,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:37:15,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:37:15,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:37:15,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:37:15,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:37:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 00:37:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:37:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:37:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 00:37:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:37:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:37:15,999 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:37:15,999 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 00:37:16,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:16 BoogieIcfgContainer [2019-11-20 00:37:16,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:37:16,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:37:16,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:37:16,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:37:16,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:37:15" (1/3) ... [2019-11-20 00:37:16,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd0d315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:37:16, skipping insertion in model container [2019-11-20 00:37:16,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:15" (2/3) ... [2019-11-20 00:37:16,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd0d315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:37:16, skipping insertion in model container [2019-11-20 00:37:16,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:16" (3/3) ... [2019-11-20 00:37:16,008 INFO L109 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2019-11-20 00:37:16,015 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:37:16,020 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 00:37:16,027 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 00:37:16,046 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:37:16,047 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:37:16,047 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:37:16,047 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:37:16,047 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:37:16,047 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:37:16,047 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:37:16,047 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:37:16,060 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-20 00:37:16,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 00:37:16,066 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:37:16,067 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 00:37:16,067 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:37:16,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:37:16,074 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-11-20 00:37:16,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:37:16,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402886493] [2019-11-20 00:37:16,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:37:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:37:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:37:16,200 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:37:16,200 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 00:37:16,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:37:16 BoogieIcfgContainer [2019-11-20 00:37:16,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:37:16,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:37:16,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:37:16,219 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:37:16,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:16" (3/4) ... [2019-11-20 00:37:16,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:37:16,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:37:16,225 INFO L168 Benchmark]: Toolchain (without parser) took 867.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:37:16,225 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:37:16,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -205.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:16,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:37:16,227 INFO L168 Benchmark]: Boogie Preprocessor took 18.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:16,227 INFO L168 Benchmark]: RCFGBuilder took 308.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:16,228 INFO L168 Benchmark]: TraceAbstraction took 216.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:16,228 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:37:16,231 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -205.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 308.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 216.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 100, overapproximation of someUnaryDOUBLEoperation at line 111. Possible FailurePath: [L100] float sum = a + b; [L101] union mix m; [L102] m.f = sum [L103] EXPR m.i [L103] COND TRUE !(m.i != 0x80000000) [L103] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 00:37:18,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:37:18,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:37:18,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:37:18,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:37:18,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:37:18,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:37:18,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:37:18,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:37:18,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:37:18,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:37:18,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:37:18,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:37:18,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:37:18,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:37:18,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:37:18,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:37:18,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:37:18,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:37:18,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:37:18,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:37:18,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:37:18,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:37:18,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:37:18,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:37:18,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:37:18,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:37:18,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:37:18,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:37:18,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:37:18,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:37:18,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:37:18,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:37:18,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:37:18,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:37:18,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:37:18,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:37:18,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:37:18,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:37:18,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:37:18,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:37:18,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 00:37:18,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:37:18,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:37:18,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:37:18,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:37:18,095 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:37:18,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:37:18,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:37:18,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:37:18,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:37:18,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:37:18,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:37:18,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:37:18,097 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 00:37:18,097 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 00:37:18,098 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:37:18,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:37:18,098 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:37:18,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:37:18,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:37:18,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:37:18,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:37:18,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:37:18,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:37:18,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:37:18,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:37:18,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:37:18,101 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 00:37:18,101 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 00:37:18,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:37:18,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 00:37:18,102 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af383046837f49b57572febe7198ecca5fffa750 [2019-11-20 00:37:18,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:37:18,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:37:18,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:37:18,375 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:37:18,375 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:37:18,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-11-20 00:37:18,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/data/9cbdd3981/f26e8a6d71564dabb24ba1b86c028ac0/FLAG276aa4ea5 [2019-11-20 00:37:18,796 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:37:18,797 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2019-11-20 00:37:18,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/data/9cbdd3981/f26e8a6d71564dabb24ba1b86c028ac0/FLAG276aa4ea5 [2019-11-20 00:37:19,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/data/9cbdd3981/f26e8a6d71564dabb24ba1b86c028ac0 [2019-11-20 00:37:19,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:37:19,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:37:19,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:37:19,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:37:19,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:37:19,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7b5f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19, skipping insertion in model container [2019-11-20 00:37:19,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,197 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:37:19,215 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:37:19,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:37:19,370 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:37:19,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:37:19,414 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:37:19,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19 WrapperNode [2019-11-20 00:37:19,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:37:19,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:37:19,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:37:19,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:37:19,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:37:19,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:37:19,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:37:19,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:37:19,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (1/1) ... [2019-11-20 00:37:19,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:37:19,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:37:19,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:37:19,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:37:19,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:37:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 00:37:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:37:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:37:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 00:37:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:37:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:37:19,749 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:37:19,750 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 00:37:19,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:19 BoogieIcfgContainer [2019-11-20 00:37:19,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:37:19,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:37:19,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:37:19,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:37:19,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:37:19" (1/3) ... [2019-11-20 00:37:19,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bec418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:37:19, skipping insertion in model container [2019-11-20 00:37:19,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:19" (2/3) ... [2019-11-20 00:37:19,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bec418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:37:19, skipping insertion in model container [2019-11-20 00:37:19,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:19" (3/3) ... [2019-11-20 00:37:19,769 INFO L109 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2019-11-20 00:37:19,777 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:37:19,798 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 00:37:19,817 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 00:37:19,851 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:37:19,851 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:37:19,851 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:37:19,851 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:37:19,852 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:37:19,852 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:37:19,852 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:37:19,852 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:37:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-20 00:37:19,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 00:37:19,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:37:19,868 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 00:37:19,869 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:37:19,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:37:19,873 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-11-20 00:37:19,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:37:19,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402460079] [2019-11-20 00:37:19,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 00:37:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:37:19,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 00:37:19,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:37:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:37:20,044 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:37:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:37:20,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402460079] [2019-11-20 00:37:20,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:37:20,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-20 00:37:20,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780625267] [2019-11-20 00:37:20,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:37:20,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:37:20,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:37:20,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:37:20,082 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2019-11-20 00:37:20,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:37:20,104 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2019-11-20 00:37:20,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:37:20,107 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-20 00:37:20,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:37:20,112 INFO L225 Difference]: With dead ends: 15 [2019-11-20 00:37:20,113 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 00:37:20,115 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:37:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 00:37:20,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 00:37:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 00:37:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 00:37:20,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-20 00:37:20,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:37:20,139 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:37:20,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:37:20,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:37:20,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 00:37:20,353 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 00:37:20,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 00:37:20,390 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 00:37:20,390 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 00:37:20,391 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 00:37:20,391 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 00:37:20,391 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2019-11-20 00:37:20,391 INFO L447 ceAbstractionStarter]: At program point L112(lines 108 113) the Hoare annotation is: true [2019-11-20 00:37:20,391 INFO L447 ceAbstractionStarter]: At program point L105(lines 99 106) the Hoare annotation is: true [2019-11-20 00:37:20,391 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-20 00:37:20,392 INFO L444 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2019-11-20 00:37:20,392 INFO L444 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2019-11-20 00:37:20,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:37:20 BoogieIcfgContainer [2019-11-20 00:37:20,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:37:20,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:37:20,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:37:20,397 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:37:20,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:37:19" (3/4) ... [2019-11-20 00:37:20,401 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 00:37:20,411 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 00:37:20,411 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 00:37:20,411 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 00:37:20,448 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e64e801e-6a82-4f9d-9434-b8e974fc9592/bin/uautomizer/witness.graphml [2019-11-20 00:37:20,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:37:20,450 INFO L168 Benchmark]: Toolchain (without parser) took 1270.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:20,451 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:37:20,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.63 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:20,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -211.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:20,452 INFO L168 Benchmark]: Boogie Preprocessor took 25.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:20,453 INFO L168 Benchmark]: RCFGBuilder took 223.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:20,454 INFO L168 Benchmark]: TraceAbstraction took 644.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:20,454 INFO L168 Benchmark]: Witness Printer took 51.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:37:20,457 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.63 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -211.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 223.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 644.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Witness Printer took 51.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 10 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 9 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...