./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/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 fcf534df2acf49cd98974d7f01989073db823dea ...................................................................................................................................................................................................................................................................................................................................................................................... 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_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/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 fcf534df2acf49cd98974d7f01989073db823dea .............................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-07 12:59:50,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:59:50,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:59:50,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:59:50,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:59:50,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:59:50,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:59:50,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:59:50,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:59:50,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:59:50,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:59:50,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:59:50,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:59:50,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:59:50,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:59:50,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:59:50,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:59:50,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:59:50,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:59:50,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:59:50,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:59:50,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:59:50,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:59:50,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:59:50,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:59:50,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:59:50,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:59:50,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:59:50,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:59:50,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:59:50,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:59:50,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:59:50,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:59:50,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:59:50,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:59:50,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:59:50,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:59:50,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:59:50,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:59:50,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:59:50,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:59:50,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:59:50,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:59:50,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:59:50,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:59:50,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:59:50,707 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:59:50,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:59:50,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:59:50,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:59:50,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:59:50,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:59:50,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:59:50,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:59:50,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:59:50,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:59:50,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:59:50,708 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:59:50,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:59:50,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:59:50,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:59:50,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:59:50,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:59:50,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:59:50,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:59:50,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:59:50,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:59:50,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:59:50,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:59:50,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:59:50,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:59:50,710 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_0556d3d5-83bc-4dbd-9705-f75a181a71b2/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 -> fcf534df2acf49cd98974d7f01989073db823dea [2019-12-07 12:59:50,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:59:50,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:59:50,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:59:50,820 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:59:50,820 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:59:50,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2019-12-07 12:59:50,860 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/data/a09d4a4e2/b1fcc56f841f49b78980407c08d7d7f7/FLAG913c58fa8 [2019-12-07 12:59:51,260 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:59:51,260 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2019-12-07 12:59:51,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/data/a09d4a4e2/b1fcc56f841f49b78980407c08d7d7f7/FLAG913c58fa8 [2019-12-07 12:59:51,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/data/a09d4a4e2/b1fcc56f841f49b78980407c08d7d7f7 [2019-12-07 12:59:51,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:59:51,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:59:51,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:51,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:59:51,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:59:51,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:51,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea903bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51, skipping insertion in model container [2019-12-07 12:59:51,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:51,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:59:51,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:59:51,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:51,871 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:59:51,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:51,927 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:59:51,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51 WrapperNode [2019-12-07 12:59:51,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:51,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:59:51,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:59:51,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:59:51,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:51,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:51,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:59:51,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:59:51,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:59:51,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:59:51,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:51,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:51,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:51,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:52,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:52,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:52,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (1/1) ... [2019-12-07 12:59:52,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:59:52,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:59:52,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:59:52,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:59:52,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/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 [2019-12-07 12:59:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:59:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 12:59:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:59:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 12:59:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:59:52,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:59:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:59:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 12:59:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:59:52,473 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:59:52,474 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 12:59:52,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:52 BoogieIcfgContainer [2019-12-07 12:59:52,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:59:52,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:59:52,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:59:52,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:59:52,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:59:51" (1/3) ... [2019-12-07 12:59:52,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb5f58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:59:52, skipping insertion in model container [2019-12-07 12:59:52,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:51" (2/3) ... [2019-12-07 12:59:52,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb5f58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:59:52, skipping insertion in model container [2019-12-07 12:59:52,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:52" (3/3) ... [2019-12-07 12:59:52,479 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2019-12-07 12:59:52,486 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:59:52,490 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:59:52,498 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:59:52,515 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:59:52,515 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:59:52,515 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:59:52,515 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:59:52,515 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:59:52,515 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:59:52,515 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:59:52,515 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:59:52,527 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-12-07 12:59:52,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 12:59:52,532 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:52,532 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:52,533 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:52,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:52,536 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2019-12-07 12:59:52,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:59:52,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267170067] [2019-12-07 12:59:52,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:59:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:59:52,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267170067] [2019-12-07 12:59:52,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:59:52,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:59:52,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126572184] [2019-12-07 12:59:52,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:59:52,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:59:52,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:59:52,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:59:52,652 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2019-12-07 12:59:52,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:59:52,673 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2019-12-07 12:59:52,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:59:52,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 12:59:52,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:59:52,681 INFO L225 Difference]: With dead ends: 246 [2019-12-07 12:59:52,682 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 12:59:52,684 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:59:52,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 12:59:52,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 12:59:52,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 12:59:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2019-12-07 12:59:52,712 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2019-12-07 12:59:52,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:59:52,712 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2019-12-07 12:59:52,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:59:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2019-12-07 12:59:52,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:59:52,713 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:52,713 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:52,713 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:52,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:52,713 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2019-12-07 12:59:52,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:59:52,714 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892732198] [2019-12-07 12:59:52,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:59:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:59:52,782 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892732198] [2019-12-07 12:59:52,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:59:52,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:59:52,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377057443] [2019-12-07 12:59:52,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:59:52,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:59:52,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:59:52,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:59:52,784 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2019-12-07 12:59:52,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:59:52,801 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2019-12-07 12:59:52,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:59:52,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 12:59:52,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:59:52,803 INFO L225 Difference]: With dead ends: 229 [2019-12-07 12:59:52,803 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 12:59:52,804 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:59:52,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 12:59:52,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 12:59:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 12:59:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2019-12-07 12:59:52,811 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2019-12-07 12:59:52,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:59:52,811 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2019-12-07 12:59:52,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:59:52,812 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2019-12-07 12:59:52,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 12:59:52,812 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:52,812 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:52,812 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:52,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:52,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2019-12-07 12:59:52,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:59:52,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248153081] [2019-12-07 12:59:52,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:59:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:59:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:59:52,977 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:59:52,977 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:59:53,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:59:53 BoogieIcfgContainer [2019-12-07 12:59:53,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:59:53,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:59:53,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:59:53,014 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:59:53,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:52" (3/4) ... [2019-12-07 12:59:53,017 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:59:53,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:59:53,019 INFO L168 Benchmark]: Toolchain (without parser) took 1381.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 945.1 MB in the beginning and 937.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:53,019 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:53,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:53,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 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. [2019-12-07 12:59:53,021 INFO L168 Benchmark]: Boogie Preprocessor took 43.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 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. [2019-12-07 12:59:53,021 INFO L168 Benchmark]: RCFGBuilder took 459.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:53,021 INFO L168 Benchmark]: TraceAbstraction took 538.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 937.5 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:53,022 INFO L168 Benchmark]: Witness Printer took 3.56 ms. Allocated memory is still 1.1 GB. Free memory is still 937.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:53,025 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 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. * Boogie Preprocessor took 43.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 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 459.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 538.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 937.5 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.56 ms. Allocated memory is still 1.1 GB. Free memory is still 937.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 285]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 284. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L276] double x = -1.0 / 0.0; [L277] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L279] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L279] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L279] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] double res = __ieee754_atan2(y, x); [L284] COND TRUE res != -pi VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L285] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 12:59:54,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:59:54,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:59:54,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:59:54,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:59:54,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:59:54,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:59:54,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:59:54,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:59:54,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:59:54,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:59:54,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:59:54,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:59:54,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:59:54,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:59:54,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:59:54,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:59:54,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:59:54,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:59:54,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:59:54,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:59:54,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:59:54,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:59:54,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:59:54,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:59:54,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:59:54,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:59:54,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:59:54,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:59:54,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:59:54,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:59:54,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:59:54,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:59:54,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:59:54,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:59:54,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:59:54,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:59:54,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:59:54,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:59:54,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:59:54,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:59:54,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 12:59:54,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:59:54,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:59:54,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:59:54,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:59:54,383 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:59:54,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:59:54,384 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:59:54,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:59:54,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:59:54,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:59:54,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:59:54,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:59:54,384 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:59:54,385 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:59:54,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:59:54,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:59:54,385 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:59:54,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:59:54,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:59:54,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:59:54,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:59:54,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:59:54,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:59:54,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:59:54,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:59:54,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:59:54,386 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 12:59:54,387 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:59:54,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:59:54,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:59:54,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:59:54,387 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_0556d3d5-83bc-4dbd-9705-f75a181a71b2/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 -> fcf534df2acf49cd98974d7f01989073db823dea [2019-12-07 12:59:54,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:59:54,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:59:54,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:59:54,589 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:59:54,589 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:59:54,590 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2019-12-07 12:59:54,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/data/51c8fd220/c25f566b195a4422838835297cf3cac7/FLAG475ea5da5 [2019-12-07 12:59:55,060 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:59:55,060 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/sv-benchmarks/c/float-newlib/double_req_bl_0682a.c [2019-12-07 12:59:55,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/data/51c8fd220/c25f566b195a4422838835297cf3cac7/FLAG475ea5da5 [2019-12-07 12:59:55,074 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/data/51c8fd220/c25f566b195a4422838835297cf3cac7 [2019-12-07 12:59:55,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:59:55,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:59:55,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:55,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:59:55,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:59:55,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b897a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55, skipping insertion in model container [2019-12-07 12:59:55,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:59:55,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:59:55,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:55,255 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:59:55,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:55,355 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:59:55,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55 WrapperNode [2019-12-07 12:59:55,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:55,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:59:55,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:59:55,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:59:55,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:59:55,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:59:55,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:59:55,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:59:55,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (1/1) ... [2019-12-07 12:59:55,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:59:55,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:59:55,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:59:55,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:59:55,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/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 [2019-12-07 12:59:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 12:59:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 12:59:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:59:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 12:59:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:59:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:59:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:59:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:59:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:00:32,939 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:00:32,939 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 13:00:32,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:00:32 BoogieIcfgContainer [2019-12-07 13:00:32,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:00:32,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:00:32,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:00:32,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:00:32,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:59:55" (1/3) ... [2019-12-07 13:00:32,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd2cc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:00:32, skipping insertion in model container [2019-12-07 13:00:32,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:55" (2/3) ... [2019-12-07 13:00:32,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd2cc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:00:32, skipping insertion in model container [2019-12-07 13:00:32,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:00:32" (3/3) ... [2019-12-07 13:00:32,945 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2019-12-07 13:00:32,951 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:00:32,956 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:00:32,963 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:00:32,979 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:00:32,980 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:00:32,980 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:00:32,980 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:00:32,980 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:00:32,980 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:00:32,980 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:00:32,981 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:00:32,992 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-12-07 13:00:32,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 13:00:32,996 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:00:32,997 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:00:32,997 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:00:33,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:00:33,001 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2019-12-07 13:00:33,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:00:33,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438840825] [2019-12-07 13:00:33,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/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 [2019-12-07 13:00:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:00:33,356 INFO L264 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:00:33,360 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:00:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:00:33,375 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:00:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:00:33,382 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438840825] [2019-12-07 13:00:33,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:00:33,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:00:33,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787901833] [2019-12-07 13:00:33,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:00:33,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:00:33,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:00:33,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:00:33,400 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2019-12-07 13:00:33,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:00:33,421 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2019-12-07 13:00:33,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:00:33,422 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 13:00:33,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:00:33,431 INFO L225 Difference]: With dead ends: 246 [2019-12-07 13:00:33,431 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 13:00:33,433 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:00:33,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 13:00:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 13:00:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 13:00:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2019-12-07 13:00:33,463 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2019-12-07 13:00:33,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:00:33,463 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2019-12-07 13:00:33,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:00:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2019-12-07 13:00:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:00:33,464 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:00:33,464 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:00:33,665 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:00:33,666 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:00:33,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:00:33,666 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2019-12-07 13:00:33,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:00:33,668 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971494932] [2019-12-07 13:00:33,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 13:00:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:00:34,073 INFO L264 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:00:34,074 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:00:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:00:34,085 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:00:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:00:34,088 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971494932] [2019-12-07 13:00:34,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:00:34,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 13:00:34,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24913732] [2019-12-07 13:00:34,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:00:34,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:00:34,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:00:34,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:00:34,090 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2019-12-07 13:00:34,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:00:34,119 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2019-12-07 13:00:34,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:00:34,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 13:00:34,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:00:34,122 INFO L225 Difference]: With dead ends: 229 [2019-12-07 13:00:34,122 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 13:00:34,123 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:00:34,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 13:00:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 13:00:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 13:00:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2019-12-07 13:00:34,130 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2019-12-07 13:00:34,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:00:34,130 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2019-12-07 13:00:34,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:00:34,130 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2019-12-07 13:00:34,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 13:00:34,131 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:00:34,131 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:00:34,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:00:34,332 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:00:34,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:00:34,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2019-12-07 13:00:34,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:00:34,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833187329] [2019-12-07 13:00:34,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 13:00:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:00:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:00:36,125 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 13:00:36,125 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:00:36,326 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:00:36,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:00:36 BoogieIcfgContainer [2019-12-07 13:00:36,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:00:36,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:00:36,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:00:36,402 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:00:36,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:00:32" (3/4) ... [2019-12-07 13:00:36,405 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:00:36,465 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0556d3d5-83bc-4dbd-9705-f75a181a71b2/bin/uautomizer/witness.graphml [2019-12-07 13:00:36,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:00:36,466 INFO L168 Benchmark]: Toolchain (without parser) took 41389.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 952.4 MB in the beginning and 911.8 MB in the end (delta: 40.6 MB). Peak memory consumption was 176.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:00:36,467 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-12-07 13:00:36,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:00:36,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.56 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:00:36,468 INFO L168 Benchmark]: Boogie Preprocessor took 50.76 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:00:36,468 INFO L168 Benchmark]: RCFGBuilder took 37485.32 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: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:00:36,468 INFO L168 Benchmark]: TraceAbstraction took 3461.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 918.4 MB in the end (delta: 107.5 MB). Peak memory consumption was 107.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:00:36,468 INFO L168 Benchmark]: Witness Printer took 63.05 ms. Allocated memory is still 1.2 GB. Free memory was 918.4 MB in the beginning and 911.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:00:36,470 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 277.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.56 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.76 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37485.32 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: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3461.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 918.4 MB in the end (delta: 107.5 MB). Peak memory consumption was 107.5 MB. Max. memory is 11.5 GB. * Witness Printer took 63.05 ms. Allocated memory is still 1.2 GB. Free memory was 918.4 MB in the beginning and 911.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 285]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L276] double x = -1.0 / 0.0; [L277] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L279] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L279] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L279] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L281] double res = __ieee754_atan2(y, x); [L284] COND TRUE res != -pi VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L285] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...