./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0684a.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_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/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 6f0e5ff08d8d375b1c12be7373d81b68e548344f ...................................................................................................................................................................................................................................................................................................................................................................................... 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_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/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 6f0e5ff08d8d375b1c12be7373d81b68e548344f ............................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:25:22,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:25:22,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:25:22,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:25:22,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:25:22,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:25:22,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:25:22,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:25:22,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:25:22,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:25:22,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:25:22,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:25:22,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:25:22,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:25:22,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:25:22,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:25:22,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:25:22,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:25:22,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:25:22,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:25:22,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:25:22,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:25:22,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:25:22,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:25:22,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:25:22,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:25:22,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:25:22,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:25:22,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:25:22,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:25:22,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:25:22,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:25:22,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:25:22,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:25:22,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:25:22,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:25:22,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:25:22,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:25:22,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:25:22,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:25:22,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:25:22,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:25:22,209 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:25:22,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:25:22,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:25:22,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:25:22,211 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:25:22,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:25:22,211 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:25:22,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:25:22,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:25:22,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:25:22,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:25:22,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:25:22,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:25:22,212 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:25:22,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:25:22,212 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:25:22,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:25:22,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:25:22,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:25:22,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:25:22,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:25:22,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:25:22,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:25:22,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:25:22,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:25:22,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:25:22,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:25:22,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:25:22,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:25:22,214 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_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/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 -> 6f0e5ff08d8d375b1c12be7373d81b68e548344f [2019-12-07 17:25:22,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:25:22,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:25:22,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:25:22,324 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:25:22,324 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:25:22,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2019-12-07 17:25:22,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/data/73db1d578/9cf49489c0bf42f69f25074ab6ed5d17/FLAGb2fa1d933 [2019-12-07 17:25:22,789 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:25:22,790 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2019-12-07 17:25:22,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/data/73db1d578/9cf49489c0bf42f69f25074ab6ed5d17/FLAGb2fa1d933 [2019-12-07 17:25:22,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/data/73db1d578/9cf49489c0bf42f69f25074ab6ed5d17 [2019-12-07 17:25:22,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:25:22,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:25:22,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:25:22,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:25:22,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:25:22,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:25:22" (1/1) ... [2019-12-07 17:25:22,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c950872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:22, skipping insertion in model container [2019-12-07 17:25:22,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:25:22" (1/1) ... [2019-12-07 17:25:22,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:25:22,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:25:23,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:25:23,041 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:25:23,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:25:23,095 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:25:23,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23 WrapperNode [2019-12-07 17:25:23,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:25:23,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:25:23,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:25:23,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:25:23,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (1/1) ... [2019-12-07 17:25:23,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (1/1) ... [2019-12-07 17:25:23,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:25:23,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:25:23,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:25:23,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:25:23,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (1/1) ... [2019-12-07 17:25:23,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (1/1) ... [2019-12-07 17:25:23,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (1/1) ... [2019-12-07 17:25:23,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (1/1) ... [2019-12-07 17:25:23,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (1/1) ... [2019-12-07 17:25:23,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (1/1) ... [2019-12-07 17:25:23,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (1/1) ... [2019-12-07 17:25:23,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:25:23,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:25:23,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:25:23,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:25:23,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/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 17:25:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:25:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 17:25:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:25:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 17:25:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:25:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:25:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:25:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 17:25:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:25:23,663 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:25:23,663 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 17:25:23,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:25:23 BoogieIcfgContainer [2019-12-07 17:25:23,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:25:23,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:25:23,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:25:23,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:25:23,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:25:22" (1/3) ... [2019-12-07 17:25:23,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3a1351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:25:23, skipping insertion in model container [2019-12-07 17:25:23,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:23" (2/3) ... [2019-12-07 17:25:23,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3a1351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:25:23, skipping insertion in model container [2019-12-07 17:25:23,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:25:23" (3/3) ... [2019-12-07 17:25:23,669 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684a.c [2019-12-07 17:25:23,675 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:25:23,680 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:25:23,687 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:25:23,703 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:25:23,703 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:25:23,703 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:25:23,703 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:25:23,703 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:25:23,703 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:25:23,703 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:25:23,703 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:25:23,715 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-12-07 17:25:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 17:25:23,719 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:25:23,719 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:25:23,720 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:25:23,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:25:23,723 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2019-12-07 17:25:23,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:25:23,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140546205] [2019-12-07 17:25:23,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:25:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:25:23,824 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 17:25:23,825 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140546205] [2019-12-07 17:25:23,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:25:23,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:25:23,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079163252] [2019-12-07 17:25:23,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:25:23,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:25:23,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:25:23,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:25:23,839 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2019-12-07 17:25:23,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:25:23,859 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2019-12-07 17:25:23,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:25:23,860 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 17:25:23,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:25:23,868 INFO L225 Difference]: With dead ends: 246 [2019-12-07 17:25:23,868 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 17:25:23,870 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 17:25:23,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 17:25:23,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 17:25:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 17:25:23,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2019-12-07 17:25:23,899 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2019-12-07 17:25:23,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:25:23,899 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2019-12-07 17:25:23,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:25:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2019-12-07 17:25:23,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 17:25:23,900 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:25:23,900 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 17:25:23,900 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:25:23,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:25:23,901 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2019-12-07 17:25:23,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:25:23,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830664006] [2019-12-07 17:25:23,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:25:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:25:23,961 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 17:25:23,961 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830664006] [2019-12-07 17:25:23,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:25:23,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:25:23,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805281433] [2019-12-07 17:25:23,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:25:23,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:25:23,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:25:23,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:25:23,963 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2019-12-07 17:25:23,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:25:23,985 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2019-12-07 17:25:23,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:25:23,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 17:25:23,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:25:23,988 INFO L225 Difference]: With dead ends: 229 [2019-12-07 17:25:23,988 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 17:25:23,989 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 17:25:23,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 17:25:23,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 17:25:23,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 17:25:23,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2019-12-07 17:25:23,998 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2019-12-07 17:25:23,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:25:23,998 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2019-12-07 17:25:23,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:25:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2019-12-07 17:25:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 17:25:23,998 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:25:23,999 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 17:25:23,999 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:25:23,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:25:23,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2019-12-07 17:25:23,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:25:23,999 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066960208] [2019-12-07 17:25:23,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:25:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:25:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:25:24,164 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:25:24,164 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:25:24,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:25:24 BoogieIcfgContainer [2019-12-07 17:25:24,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:25:24,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:25:24,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:25:24,199 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:25:24,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:25:23" (3/4) ... [2019-12-07 17:25:24,202 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:25:24,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:25:24,204 INFO L168 Benchmark]: Toolchain (without parser) took 1397.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 946.3 MB in the beginning and 978.5 MB in the end (delta: -32.2 MB). Peak memory consumption was 94.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:25:24,204 INFO L168 Benchmark]: CDTParser took 0.19 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 17:25:24,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:25:24,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:25:24,205 INFO L168 Benchmark]: Boogie Preprocessor took 46.23 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:25:24,206 INFO L168 Benchmark]: RCFGBuilder took 478.87 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: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:25:24,206 INFO L168 Benchmark]: TraceAbstraction took 534.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 978.5 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:25:24,206 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:25:24,209 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 288.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.23 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 478.87 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: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 534.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 978.5 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 286]: 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 285. 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 = __VERIFIER_nondet_double(); [L277] double y = 1.0 / 0.0; [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] [L280] isfinite_double(x) && isinf_double(y) [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] [L280] isfinite_double(x) && isinf_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] [L280] COND TRUE isfinite_double(x) && isinf_double(y) [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] [L282] double res = __ieee754_atan2(y, x); [L285] COND TRUE res != pi_o_2 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] [L286] __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 17:25:25,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:25:25,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:25:25,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:25:25,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:25:25,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:25:25,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:25:25,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:25:25,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:25:25,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:25:25,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:25:25,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:25:25,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:25:25,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:25:25,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:25:25,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:25:25,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:25:25,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:25:25,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:25:25,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:25:25,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:25:25,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:25:25,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:25:25,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:25:25,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:25:25,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:25:25,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:25:25,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:25:25,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:25:25,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:25:25,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:25:25,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:25:25,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:25:25,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:25:25,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:25:25,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:25:25,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:25:25,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:25:25,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:25:25,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:25:25,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:25:25,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:25:25,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:25:25,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:25:25,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:25:25,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:25:25,588 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:25:25,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:25:25,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:25:25,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:25:25,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:25:25,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:25:25,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:25:25,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:25:25,589 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:25:25,589 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:25:25,590 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:25:25,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:25:25,590 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:25:25,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:25:25,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:25:25,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:25:25,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:25:25,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:25:25,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:25:25,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:25:25,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:25:25,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:25:25,591 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:25:25,591 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:25:25,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:25:25,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:25:25,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:25:25,592 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_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/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 -> 6f0e5ff08d8d375b1c12be7373d81b68e548344f [2019-12-07 17:25:25,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:25:25,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:25:25,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:25:25,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:25:25,788 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:25:25,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2019-12-07 17:25:25,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/data/7014aabee/a377b61300914f2eb49550ef185c5c8b/FLAG928b1d1bd [2019-12-07 17:25:26,269 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:25:26,270 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/sv-benchmarks/c/float-newlib/double_req_bl_0684a.c [2019-12-07 17:25:26,275 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/data/7014aabee/a377b61300914f2eb49550ef185c5c8b/FLAG928b1d1bd [2019-12-07 17:25:26,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/data/7014aabee/a377b61300914f2eb49550ef185c5c8b [2019-12-07 17:25:26,285 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:25:26,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:25:26,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:25:26,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:25:26,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:25:26,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,291 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 05:25:26, skipping insertion in model container [2019-12-07 17:25:26,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:25:26,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:25:26,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:25:26,463 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:25:26,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:25:26,558 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:25:26,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26 WrapperNode [2019-12-07 17:25:26,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:25:26,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:25:26,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:25:26,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:25:26,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:25:26,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:25:26,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:25:26,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:25:26,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (1/1) ... [2019-12-07 17:25:26,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:25:26,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:25:26,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:25:26,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:25:26,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/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 17:25:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 17:25:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 17:25:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:25:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 17:25:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:25:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:25:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:25:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:25:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:26:03,782 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:26:03,782 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 17:26:03,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:26:03 BoogieIcfgContainer [2019-12-07 17:26:03,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:26:03,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:26:03,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:26:03,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:26:03,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:25:26" (1/3) ... [2019-12-07 17:26:03,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53067422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:26:03, skipping insertion in model container [2019-12-07 17:26:03,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:25:26" (2/3) ... [2019-12-07 17:26:03,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53067422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:26:03, skipping insertion in model container [2019-12-07 17:26:03,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:26:03" (3/3) ... [2019-12-07 17:26:03,788 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0684a.c [2019-12-07 17:26:03,794 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:26:03,799 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:26:03,806 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:26:03,823 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:26:03,823 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:26:03,823 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:26:03,823 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:26:03,823 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:26:03,824 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:26:03,824 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:26:03,824 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:26:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-12-07 17:26:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 17:26:03,839 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:26:03,840 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:26:03,840 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:26:03,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:26:03,844 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2019-12-07 17:26:03,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:26:03,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536783125] [2019-12-07 17:26:03,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/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 17:26:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:26:04,205 INFO L264 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:26:04,210 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:26:04,221 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 17:26:04,221 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:26:04,224 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 17:26:04,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536783125] [2019-12-07 17:26:04,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:26:04,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:26:04,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166790990] [2019-12-07 17:26:04,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:26:04,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:26:04,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:26:04,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:26:04,240 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2019-12-07 17:26:04,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:26:04,262 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2019-12-07 17:26:04,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:26:04,263 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 17:26:04,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:26:04,271 INFO L225 Difference]: With dead ends: 246 [2019-12-07 17:26:04,271 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 17:26:04,274 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 17:26:04,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 17:26:04,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 17:26:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 17:26:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2019-12-07 17:26:04,304 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2019-12-07 17:26:04,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:26:04,304 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2019-12-07 17:26:04,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:26:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2019-12-07 17:26:04,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 17:26:04,305 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:26:04,305 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 17:26:04,505 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:26:04,506 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:26:04,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:26:04,507 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2019-12-07 17:26:04,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:26:04,508 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341429083] [2019-12-07 17:26:04,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/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 17:26:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:26:04,904 INFO L264 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:26:04,905 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:26:04,917 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 17:26:04,917 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:26:04,919 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 17:26:04,920 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341429083] [2019-12-07 17:26:04,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:26:04,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 17:26:04,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527604207] [2019-12-07 17:26:04,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:26:04,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:26:04,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:26:04,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:26:04,922 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2019-12-07 17:26:04,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:26:04,972 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2019-12-07 17:26:04,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:26:04,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 17:26:04,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:26:04,974 INFO L225 Difference]: With dead ends: 229 [2019-12-07 17:26:04,974 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 17:26:04,975 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 17:26:04,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 17:26:04,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 17:26:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 17:26:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2019-12-07 17:26:04,983 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2019-12-07 17:26:04,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:26:04,983 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2019-12-07 17:26:04,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:26:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2019-12-07 17:26:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 17:26:04,984 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:26:04,984 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 17:26:05,184 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:26:05,185 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:26:05,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:26:05,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2019-12-07 17:26:05,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:26:05,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903751381] [2019-12-07 17:26:05,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/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 17:26:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:26:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:26:06,685 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 17:26:06,685 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:26:06,885 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 17:26:06,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:26:06 BoogieIcfgContainer [2019-12-07 17:26:06,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:26:06,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:26:06,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:26:06,950 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:26:06,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:26:03" (3/4) ... [2019-12-07 17:26:06,952 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:26:07,007 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0fb61ff2-b603-4600-a0fa-7254a10fb8cd/bin/uautomizer/witness.graphml [2019-12-07 17:26:07,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:26:07,008 INFO L168 Benchmark]: Toolchain (without parser) took 40721.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.7 MB in the beginning and 900.6 MB in the end (delta: 53.1 MB). Peak memory consumption was 180.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,009 INFO L168 Benchmark]: CDTParser took 0.17 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 17:26:07,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.15 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,010 INFO L168 Benchmark]: Boogie Preprocessor took 51.38 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,010 INFO L168 Benchmark]: RCFGBuilder took 37122.92 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: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,010 INFO L168 Benchmark]: TraceAbstraction took 3165.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 907.3 MB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,010 INFO L168 Benchmark]: Witness Printer took 57.44 ms. Allocated memory is still 1.2 GB. Free memory was 907.3 MB in the beginning and 900.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,012 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 272.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.15 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.38 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37122.92 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: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3165.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 907.3 MB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. * Witness Printer took 57.44 ms. Allocated memory is still 1.2 GB. Free memory was 907.3 MB in the beginning and 900.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 286]: 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={-2147483645:0}, 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 = __VERIFIER_nondet_double(); [L277] double y = 1.0 / 0.0; [L260] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, 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={-2147483645:0}, 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] [L280] isfinite_double(x) && isinf_double(y) [L246] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, 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={-2147483645:0}, 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] [L280] isfinite_double(x) && isinf_double(y) VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, 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] [L280] COND TRUE isfinite_double(x) && isinf_double(y) [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, 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={-2147483645:0}, 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={-2147483645:0}, 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={-2147483645:0}, 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] [L282] double res = __ieee754_atan2(y, x); [L285] COND TRUE res != pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, 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] [L286] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={-2147483645:0}, 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: 3.0s, 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, 1.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 252 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...