./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.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_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/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 a90ab4b5fd896d7fe8c91ee95d37e83b559389ba ...................................................................................................................................................................................................................................................................................................................................................................................... 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_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/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 a90ab4b5fd896d7fe8c91ee95d37e83b559389ba ............................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:46:51,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:46:51,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:46:51,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:46:51,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:46:51,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:46:51,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:46:51,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:46:51,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:46:51,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:46:51,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:46:51,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:46:51,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:46:51,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:46:51,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:46:51,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:46:51,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:46:51,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:46:51,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:46:51,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:46:51,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:46:51,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:46:51,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:46:51,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:46:51,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:46:51,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:46:51,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:46:51,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:46:51,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:46:51,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:46:51,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:46:51,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:46:51,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:46:51,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:46:51,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:46:51,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:46:51,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:46:51,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:46:51,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:46:51,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:46:51,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:46:51,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:46:51,132 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:46:51,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:46:51,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:46:51,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:46:51,133 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:46:51,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:46:51,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:46:51,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:46:51,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:46:51,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:46:51,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:46:51,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:46:51,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:46:51,135 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:46:51,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:46:51,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:46:51,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:46:51,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:46:51,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:46:51,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:46:51,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:46:51,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:46:51,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:46:51,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:46:51,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:46:51,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:46:51,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:46:51,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:46:51,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:46:51,137 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_63babf70-4085-4de9-8f3c-806851b2f362/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 -> a90ab4b5fd896d7fe8c91ee95d37e83b559389ba [2019-12-07 18:46:51,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:46:51,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:46:51,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:46:51,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:46:51,244 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:46:51,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2019-12-07 18:46:51,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/data/260d41bed/d6937fd994cc46659b5536aa9e4ca480/FLAGa6a06dca3 [2019-12-07 18:46:51,605 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:46:51,605 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2019-12-07 18:46:51,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/data/260d41bed/d6937fd994cc46659b5536aa9e4ca480/FLAGa6a06dca3 [2019-12-07 18:46:51,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/data/260d41bed/d6937fd994cc46659b5536aa9e4ca480 [2019-12-07 18:46:51,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:46:51,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:46:51,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:46:51,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:46:51,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:46:51,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ca5aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51, skipping insertion in model container [2019-12-07 18:46:51,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:46:51,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:46:51,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:46:51,837 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:46:51,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:46:51,890 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:46:51,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51 WrapperNode [2019-12-07 18:46:51,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:46:51,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:46:51,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:46:51,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:46:51,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:46:51,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:46:51,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:46:51,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:46:51,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (1/1) ... [2019-12-07 18:46:51,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:46:51,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:46:51,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:46:51,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:46:51,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/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 18:46:52,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:46:52,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 18:46:52,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:46:52,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 18:46:52,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:46:52,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:46:52,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:46:52,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 18:46:52,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:46:52,460 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:46:52,460 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 18:46:52,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:46:52 BoogieIcfgContainer [2019-12-07 18:46:52,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:46:52,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:46:52,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:46:52,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:46:52,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:46:51" (1/3) ... [2019-12-07 18:46:52,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f371615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:46:52, skipping insertion in model container [2019-12-07 18:46:52,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:51" (2/3) ... [2019-12-07 18:46:52,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f371615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:46:52, skipping insertion in model container [2019-12-07 18:46:52,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:46:52" (3/3) ... [2019-12-07 18:46:52,466 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2019-12-07 18:46:52,472 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:46:52,477 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:46:52,484 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:46:52,500 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:46:52,500 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:46:52,500 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:46:52,501 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:46:52,501 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:46:52,501 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:46:52,501 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:46:52,501 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:46:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-12-07 18:46:52,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 18:46:52,517 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:46:52,518 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:46:52,518 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:46:52,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:46:52,522 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2019-12-07 18:46:52,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:46:52,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968371321] [2019-12-07 18:46:52,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:46:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:46:52,625 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 18:46:52,625 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968371321] [2019-12-07 18:46:52,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:46:52,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:46:52,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891036802] [2019-12-07 18:46:52,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:46:52,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:46:52,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:46:52,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:46:52,639 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2019-12-07 18:46:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:46:52,659 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2019-12-07 18:46:52,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:46:52,660 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 18:46:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:46:52,668 INFO L225 Difference]: With dead ends: 246 [2019-12-07 18:46:52,668 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 18:46:52,671 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 18:46:52,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 18:46:52,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 18:46:52,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 18:46:52,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2019-12-07 18:46:52,700 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2019-12-07 18:46:52,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:46:52,701 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2019-12-07 18:46:52,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:46:52,701 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2019-12-07 18:46:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 18:46:52,701 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:46:52,701 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 18:46:52,702 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:46:52,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:46:52,702 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2019-12-07 18:46:52,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:46:52,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197864296] [2019-12-07 18:46:52,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:46:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:46:52,769 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 18:46:52,769 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197864296] [2019-12-07 18:46:52,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:46:52,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:46:52,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629892748] [2019-12-07 18:46:52,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:46:52,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:46:52,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:46:52,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:46:52,771 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2019-12-07 18:46:52,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:46:52,790 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2019-12-07 18:46:52,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:46:52,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 18:46:52,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:46:52,792 INFO L225 Difference]: With dead ends: 229 [2019-12-07 18:46:52,792 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 18:46:52,793 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 18:46:52,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 18:46:52,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 18:46:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 18:46:52,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2019-12-07 18:46:52,801 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2019-12-07 18:46:52,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:46:52,801 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2019-12-07 18:46:52,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:46:52,801 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2019-12-07 18:46:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 18:46:52,802 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:46:52,802 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 18:46:52,802 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:46:52,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:46:52,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2019-12-07 18:46:52,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:46:52,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820345552] [2019-12-07 18:46:52,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:46:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:46:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:46:52,998 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:46:52,998 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:46:53,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:46:53 BoogieIcfgContainer [2019-12-07 18:46:53,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:46:53,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:46:53,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:46:53,033 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:46:53,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:46:52" (3/4) ... [2019-12-07 18:46:53,035 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:46:53,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:46:53,037 INFO L168 Benchmark]: Toolchain (without parser) took 1415.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 940.8 MB in the beginning and 943.8 MB in the end (delta: -3.1 MB). Peak memory consumption was 100.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:53,037 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:46:53,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:53,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:53,039 INFO L168 Benchmark]: Boogie Preprocessor took 43.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:53,039 INFO L168 Benchmark]: RCFGBuilder took 479.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:53,040 INFO L168 Benchmark]: TraceAbstraction took 570.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 943.8 MB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:46:53,040 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 1.1 GB. Free memory is still 943.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:46:53,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 479.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 570.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 943.8 MB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 ms. Allocated memory is still 1.1 GB. Free memory is still 943.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 285]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 284. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L276] double x = -1.0 / 0.0; [L277] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L279] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L279] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L279] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L281] double res = __ieee754_atan2(y, x); [L284] COND TRUE res != pi VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L285] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, 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 18:46:54,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:46:54,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:46:54,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:46:54,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:46:54,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:46:54,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:46:54,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:46:54,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:46:54,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:46:54,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:46:54,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:46:54,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:46:54,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:46:54,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:46:54,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:46:54,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:46:54,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:46:54,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:46:54,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:46:54,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:46:54,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:46:54,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:46:54,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:46:54,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:46:54,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:46:54,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:46:54,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:46:54,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:46:54,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:46:54,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:46:54,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:46:54,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:46:54,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:46:54,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:46:54,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:46:54,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:46:54,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:46:54,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:46:54,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:46:54,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:46:54,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:46:54,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:46:54,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:46:54,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:46:54,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:46:54,435 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:46:54,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:46:54,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:46:54,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:46:54,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:46:54,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:46:54,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:46:54,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:46:54,436 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:46:54,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:46:54,437 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:46:54,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:46:54,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:46:54,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:46:54,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:46:54,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:46:54,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:46:54,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:46:54,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:46:54,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:46:54,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:46:54,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:46:54,438 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:46:54,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:46:54,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:46:54,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:46:54,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:46:54,439 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_63babf70-4085-4de9-8f3c-806851b2f362/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 -> a90ab4b5fd896d7fe8c91ee95d37e83b559389ba [2019-12-07 18:46:54,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:46:54,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:46:54,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:46:54,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:46:54,611 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:46:54,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2019-12-07 18:46:54,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/data/fd836160e/ae42fbe6d4a04c9c867631bd8af5017f/FLAG84f212f15 [2019-12-07 18:46:55,007 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:46:55,007 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/sv-benchmarks/c/float-newlib/double_req_bl_0682b.c [2019-12-07 18:46:55,012 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/data/fd836160e/ae42fbe6d4a04c9c867631bd8af5017f/FLAG84f212f15 [2019-12-07 18:46:55,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/data/fd836160e/ae42fbe6d4a04c9c867631bd8af5017f [2019-12-07 18:46:55,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:46:55,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:46:55,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:46:55,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:46:55,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:46:55,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,029 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 06:46:55, skipping insertion in model container [2019-12-07 18:46:55,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:46:55,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:46:55,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:46:55,201 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:46:55,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:46:55,292 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:46:55,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55 WrapperNode [2019-12-07 18:46:55,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:46:55,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:46:55,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:46:55,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:46:55,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:46:55,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:46:55,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:46:55,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:46:55,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (1/1) ... [2019-12-07 18:46:55,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:46:55,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:46:55,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:46:55,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:46:55,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/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 18:46:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 18:46:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 18:46:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:46:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 18:46:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:46:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:46:55,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:46:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:46:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:47:32,713 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:47:32,713 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 18:47:32,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:47:32 BoogieIcfgContainer [2019-12-07 18:47:32,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:47:32,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:47:32,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:47:32,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:47:32,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:46:55" (1/3) ... [2019-12-07 18:47:32,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0825a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:47:32, skipping insertion in model container [2019-12-07 18:47:32,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:46:55" (2/3) ... [2019-12-07 18:47:32,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0825a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:47:32, skipping insertion in model container [2019-12-07 18:47:32,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:47:32" (3/3) ... [2019-12-07 18:47:32,719 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682b.c [2019-12-07 18:47:32,725 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:47:32,730 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:47:32,737 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:47:32,753 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:47:32,754 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:47:32,754 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:47:32,754 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:47:32,754 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:47:32,754 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:47:32,754 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:47:32,754 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:47:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-12-07 18:47:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 18:47:32,770 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:47:32,770 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:47:32,771 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:47:32,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:47:32,774 INFO L82 PathProgramCache]: Analyzing trace with hash -617567418, now seen corresponding path program 1 times [2019-12-07 18:47:32,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:47:32,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728026127] [2019-12-07 18:47:32,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/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 18:47:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:47:33,134 INFO L264 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 18:47:33,138 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:47:33,148 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 18:47:33,148 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:47:33,152 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 18:47:33,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728026127] [2019-12-07 18:47:33,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:47:33,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 18:47:33,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366086741] [2019-12-07 18:47:33,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:47:33,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:47:33,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:47:33,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:47:33,173 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2019-12-07 18:47:33,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:47:33,196 INFO L93 Difference]: Finished difference Result 246 states and 412 transitions. [2019-12-07 18:47:33,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:47:33,197 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-12-07 18:47:33,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:47:33,209 INFO L225 Difference]: With dead ends: 246 [2019-12-07 18:47:33,209 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 18:47:33,212 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 18:47:33,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 18:47:33,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 18:47:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 18:47:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 169 transitions. [2019-12-07 18:47:33,241 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 169 transitions. Word has length 15 [2019-12-07 18:47:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:47:33,241 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 169 transitions. [2019-12-07 18:47:33,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:47:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 169 transitions. [2019-12-07 18:47:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 18:47:33,242 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:47:33,242 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 18:47:33,443 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:47:33,443 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:47:33,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:47:33,444 INFO L82 PathProgramCache]: Analyzing trace with hash -397782484, now seen corresponding path program 1 times [2019-12-07 18:47:33,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:47:33,445 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538220294] [2019-12-07 18:47:33,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/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 18:47:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:47:33,840 INFO L264 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:47:33,842 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:47:33,852 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 18:47:33,852 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:47:33,854 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 18:47:33,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538220294] [2019-12-07 18:47:33,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:47:33,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 18:47:33,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088157431] [2019-12-07 18:47:33,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:47:33,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:47:33,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:47:33,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:47:33,856 INFO L87 Difference]: Start difference. First operand 120 states and 169 transitions. Second operand 3 states. [2019-12-07 18:47:33,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:47:33,905 INFO L93 Difference]: Finished difference Result 229 states and 326 transitions. [2019-12-07 18:47:33,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:47:33,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-07 18:47:33,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:47:33,907 INFO L225 Difference]: With dead ends: 229 [2019-12-07 18:47:33,907 INFO L226 Difference]: Without dead ends: 120 [2019-12-07 18:47:33,908 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 18:47:33,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-07 18:47:33,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-07 18:47:33,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-07 18:47:33,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2019-12-07 18:47:33,916 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 18 [2019-12-07 18:47:33,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:47:33,916 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2019-12-07 18:47:33,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:47:33,916 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2019-12-07 18:47:33,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 18:47:33,917 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:47:33,917 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 18:47:34,117 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:47:34,118 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:47:34,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:47:34,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1006577033, now seen corresponding path program 1 times [2019-12-07 18:47:34,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:47:34,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768514186] [2019-12-07 18:47:34,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/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 18:47:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:47:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:47:35,836 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 18:47:35,836 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:47:36,037 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:47:36,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:47:36 BoogieIcfgContainer [2019-12-07 18:47:36,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:47:36,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:47:36,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:47:36,085 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:47:36,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:47:32" (3/4) ... [2019-12-07 18:47:36,087 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 18:47:36,140 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_63babf70-4085-4de9-8f3c-806851b2f362/bin/uautomizer/witness.graphml [2019-12-07 18:47:36,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:47:36,141 INFO L168 Benchmark]: Toolchain (without parser) took 41117.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 952.4 MB in the beginning and 887.9 MB in the end (delta: 64.5 MB). Peak memory consumption was 185.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:36,142 INFO L168 Benchmark]: CDTParser took 0.13 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 18:47:36,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:36,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.18 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:36,142 INFO L168 Benchmark]: Boogie Preprocessor took 46.55 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:36,143 INFO L168 Benchmark]: RCFGBuilder took 37328.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.7 MB in the end (delta: 89.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:36,143 INFO L168 Benchmark]: TraceAbstraction took 3369.31 ms. Allocated memory is still 1.2 GB. Free memory was 999.7 MB in the beginning and 894.8 MB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:36,143 INFO L168 Benchmark]: Witness Printer took 55.23 ms. Allocated memory is still 1.2 GB. Free memory was 894.8 MB in the beginning and 887.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:47:36,144 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 268.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -157.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.18 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.55 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37328.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.7 MB in the end (delta: 89.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3369.31 ms. Allocated memory is still 1.2 GB. Free memory was 999.7 MB in the beginning and 894.8 MB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. * Witness Printer took 55.23 ms. Allocated memory is still 1.2 GB. Free memory was 894.8 MB in the beginning and 887.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 285]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L276] double x = -1.0 / 0.0; [L277] double y = __VERIFIER_nondet_double(); [L246] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L279] EXPR isinf_double(x) && isfinite_double(y) [L260] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L279] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L279] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L281] double res = __ieee754_atan2(y, x); [L284] COND TRUE res != pi VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L285] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 0 SDslu, 163 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...