./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7de8352890f1d55270cdee8daa00c3bfaf4226ea ....................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7de8352890f1d55270cdee8daa00c3bfaf4226ea ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:40:00,064 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:40:00,066 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:40:00,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:40:00,080 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:40:00,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:40:00,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:40:00,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:40:00,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:40:00,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:40:00,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:40:00,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:40:00,089 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:40:00,091 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:40:00,098 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:40:00,098 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:40:00,099 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:40:00,100 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:40:00,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:40:00,105 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:40:00,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:40:00,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:40:00,111 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:40:00,117 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:40:00,118 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:40:00,119 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:40:00,119 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:40:00,120 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:40:00,120 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:40:00,121 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:40:00,123 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:40:00,123 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:40:00,124 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:40:00,124 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:40:00,124 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:40:00,125 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:40:00,125 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:40:00,142 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:40:00,142 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:40:00,142 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:40:00,143 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:40:00,143 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:40:00,143 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:40:00,143 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:40:00,143 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:40:00,143 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:40:00,143 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:40:00,144 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:40:00,144 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:40:00,144 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:40:00,144 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:40:00,145 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:40:00,145 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:40:00,145 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:40:00,145 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:40:00,145 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:40:00,146 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:40:00,146 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:40:00,146 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:40:00,146 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:40:00,146 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:40:00,146 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:40:00,147 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:40:00,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:40:00,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:40:00,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:40:00,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:40:00,150 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:40:00,150 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:40:00,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:40:00,150 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:40:00,150 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan 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 -> Taipan 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 -> 7de8352890f1d55270cdee8daa00c3bfaf4226ea [2018-10-26 19:40:00,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:40:00,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:40:00,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:40:00,201 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:40:00,201 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:40:00,202 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c [2018-10-26 19:40:00,247 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/data/40acdce26/b65b32b14b2247b1a74df3e7ef9c6d29/FLAG12f52c4e4 [2018-10-26 19:40:00,617 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:40:00,617 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c [2018-10-26 19:40:00,623 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/data/40acdce26/b65b32b14b2247b1a74df3e7ef9c6d29/FLAG12f52c4e4 [2018-10-26 19:40:00,632 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/data/40acdce26/b65b32b14b2247b1a74df3e7ef9c6d29 [2018-10-26 19:40:00,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:40:00,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:40:00,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:40:00,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:40:00,641 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:40:00,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e089980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00, skipping insertion in model container [2018-10-26 19:40:00,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:40:00,664 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:40:00,794 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:40:00,797 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:40:00,809 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:40:00,818 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:40:00,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00 WrapperNode [2018-10-26 19:40:00,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:40:00,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:40:00,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:40:00,819 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:40:00,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:40:00,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:40:00,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:40:00,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:40:00,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (1/1) ... [2018-10-26 19:40:00,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:40:00,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:40:00,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:40:00,856 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:40:00,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/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 [2018-10-26 19:40:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:40:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:40:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:40:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:40:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:40:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:40:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 19:40:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 19:40:01,183 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:40:01,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:40:01 BoogieIcfgContainer [2018-10-26 19:40:01,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:40:01,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:40:01,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:40:01,188 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:40:01,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:40:00" (1/3) ... [2018-10-26 19:40:01,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6496d547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:40:01, skipping insertion in model container [2018-10-26 19:40:01,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:00" (2/3) ... [2018-10-26 19:40:01,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6496d547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:40:01, skipping insertion in model container [2018-10-26 19:40:01,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:40:01" (3/3) ... [2018-10-26 19:40:01,191 INFO L112 eAbstractionObserver]: Analyzing ICFG zonotope_tight_true-unreach-call_true-termination.c [2018-10-26 19:40:01,202 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:40:01,209 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:40:01,223 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:40:01,254 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:40:01,254 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:40:01,255 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:40:01,255 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:40:01,255 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:40:01,255 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:40:01,255 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:40:01,255 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:40:01,273 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-10-26 19:40:01,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:40:01,279 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:40:01,280 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:40:01,282 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:40:01,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:40:01,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-10-26 19:40:01,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:40:01,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:40:01,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:40:01,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:40:01,340 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:40:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:40:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:40:01,406 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 19:40:01,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:40:01 BoogieIcfgContainer [2018-10-26 19:40:01,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:40:01,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:40:01,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:40:01,436 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:40:01,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:40:01" (3/4) ... [2018-10-26 19:40:01,441 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:40:01,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:40:01,444 INFO L168 Benchmark]: Toolchain (without parser) took 808.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:40:01,447 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:40:01,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.95 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 946.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:40:01,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.69 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:40:01,450 INFO L168 Benchmark]: Boogie Preprocessor took 17.94 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 943.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:40:01,451 INFO L168 Benchmark]: RCFGBuilder took 328.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 943.5 MB in the beginning and 1.2 GB in the end (delta: -221.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:40:01,452 INFO L168 Benchmark]: TraceAbstraction took 250.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:40:01,452 INFO L168 Benchmark]: Witness Printer took 7.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:40:01,457 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.95 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 946.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.69 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.94 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 943.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 328.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 943.5 MB in the beginning and 1.2 GB in the end (delta: -221.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 250.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Witness Printer took 7.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 19, overapproximation of someBinaryArithmeticDOUBLEoperation at line 19. Possible FailurePath: [L13] double x,y; [L15] x = __VERIFIER_nondet_double() [L18] y = x*x - x VAL [x=2] [L19] COND TRUE y >= 0 [L19] y = x / 10. VAL [x=2] [L22] CALL __VERIFIER_assert(y >= 0. && y <= 4.) VAL [\old(cond)=0] [L9] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L9] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-1dbac8b [2018-10-26 19:40:03,415 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:40:03,417 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:40:03,427 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:40:03,427 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:40:03,428 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:40:03,429 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:40:03,431 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:40:03,432 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:40:03,433 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:40:03,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:40:03,434 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:40:03,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:40:03,435 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:40:03,436 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:40:03,437 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:40:03,438 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:40:03,440 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:40:03,442 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:40:03,443 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:40:03,444 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:40:03,445 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:40:03,447 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:40:03,448 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:40:03,448 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:40:03,449 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:40:03,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:40:03,451 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:40:03,452 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:40:03,453 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:40:03,453 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:40:03,453 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:40:03,454 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:40:03,454 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:40:03,455 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:40:03,456 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:40:03,456 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 19:40:03,474 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:40:03,474 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:40:03,475 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:40:03,476 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:40:03,476 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:40:03,476 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:40:03,476 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:40:03,477 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:40:03,478 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:40:03,478 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:40:03,478 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:40:03,478 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:40:03,478 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:40:03,478 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:40:03,479 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:40:03,479 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:40:03,479 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:40:03,479 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:40:03,479 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:40:03,479 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:40:03,480 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:40:03,480 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:40:03,480 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:40:03,480 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:40:03,480 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:40:03,480 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:40:03,480 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:40:03,481 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:40:03,481 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 19:40:03,481 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:40:03,486 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:40:03,486 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:40:03,487 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan 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 -> Taipan 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 -> 7de8352890f1d55270cdee8daa00c3bfaf4226ea [2018-10-26 19:40:03,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:40:03,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:40:03,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:40:03,564 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:40:03,564 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:40:03,565 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c [2018-10-26 19:40:03,615 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/data/200904caf/99d4c692a4484f628cf20f966e5390ad/FLAGa0c27b2c8 [2018-10-26 19:40:04,004 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:40:04,004 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/sv-benchmarks/c/float-benchs/zonotope_tight_true-unreach-call_true-termination.c [2018-10-26 19:40:04,013 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/data/200904caf/99d4c692a4484f628cf20f966e5390ad/FLAGa0c27b2c8 [2018-10-26 19:40:04,028 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/data/200904caf/99d4c692a4484f628cf20f966e5390ad [2018-10-26 19:40:04,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:40:04,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:40:04,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:40:04,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:40:04,038 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:40:04,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f662ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04, skipping insertion in model container [2018-10-26 19:40:04,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:40:04,071 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:40:04,214 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:40:04,219 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:40:04,236 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:40:04,253 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:40:04,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04 WrapperNode [2018-10-26 19:40:04,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:40:04,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:40:04,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:40:04,255 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:40:04,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:40:04,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:40:04,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:40:04,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:40:04,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (1/1) ... [2018-10-26 19:40:04,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:40:04,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:40:04,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:40:04,309 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:40:04,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/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 [2018-10-26 19:40:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:40:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:40:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:40:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:40:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:40:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:40:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 19:40:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 19:40:07,840 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:40:07,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:40:07 BoogieIcfgContainer [2018-10-26 19:40:07,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:40:07,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:40:07,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:40:07,844 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:40:07,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:40:04" (1/3) ... [2018-10-26 19:40:07,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb905ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:40:07, skipping insertion in model container [2018-10-26 19:40:07,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:40:04" (2/3) ... [2018-10-26 19:40:07,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb905ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:40:07, skipping insertion in model container [2018-10-26 19:40:07,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:40:07" (3/3) ... [2018-10-26 19:40:07,847 INFO L112 eAbstractionObserver]: Analyzing ICFG zonotope_tight_true-unreach-call_true-termination.c [2018-10-26 19:40:07,856 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:40:07,871 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:40:07,889 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:40:07,918 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:40:07,919 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:40:07,919 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:40:07,919 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:40:07,919 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:40:07,921 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:40:07,922 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:40:07,922 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:40:07,922 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:40:07,939 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-10-26 19:40:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:40:07,945 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:40:07,946 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:40:07,948 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:40:07,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:40:07,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-10-26 19:40:07,959 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:40:07,959 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/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 [2018-10-26 19:40:07,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:40:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:08,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:40:10,778 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) RNE 10.0))) (and (fp.leq main_~x~0 .cse0) (fp.geq main_~x~0 (_ +zero 11 53)) (= (fp.div RNE main_~x~0 .cse0) c_main_~y~0)))) is different from false [2018-10-26 19:40:12,954 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) RNE 10.0))) (and (fp.leq main_~x~0 .cse0) (fp.geq main_~x~0 (_ +zero 11 53)) (= (fp.div RNE main_~x~0 .cse0) c_main_~y~0)))) is different from true [2018-10-26 19:40:30,173 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c___VERIFIER_assert_#in~cond| (_ bv0 32)))) (or (and .cse0 (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) RNE 10.0))) (and (not (fp.geq (fp.div RNE main_~x~0 .cse1) (_ +zero 11 53))) (fp.leq main_~x~0 .cse1) (fp.geq main_~x~0 (_ +zero 11 53)))))) (= (bvadd |c___VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32)) (and .cse0 (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse2 ((_ to_fp 11 53) RNE 10.0))) (and (fp.leq v_prenex_1 .cse2) (fp.geq v_prenex_1 (_ +zero 11 53)) (not (fp.leq (fp.div RNE v_prenex_1 .cse2) ((_ to_fp 11 53) RNE 4.0))))))))) is different from false [2018-10-26 19:40:41,304 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (= (_ bv0 32) c___VERIFIER_assert_~cond))) (or (and .cse0 (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) RNE 10.0))) (and (fp.leq v_prenex_1 .cse1) (fp.geq v_prenex_1 (_ +zero 11 53)) (not (fp.leq (fp.div RNE v_prenex_1 .cse1) ((_ to_fp 11 53) RNE 4.0))))))) (= (bvadd c___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (and .cse0 (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse2 ((_ to_fp 11 53) RNE 10.0))) (and (not (fp.geq (fp.div RNE main_~x~0 .cse2) (_ +zero 11 53))) (fp.leq main_~x~0 .cse2) (fp.geq main_~x~0 (_ +zero 11 53)))))))) is different from false [2018-10-26 19:40:52,448 WARN L832 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) RNE 10.0))) (and (fp.leq v_prenex_1 .cse0) (fp.geq v_prenex_1 (_ +zero 11 53)) (not (fp.leq (fp.div RNE v_prenex_1 .cse0) ((_ to_fp 11 53) RNE 4.0)))))) (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) RNE 10.0))) (and (not (fp.geq (fp.div RNE main_~x~0 .cse1) (_ +zero 11 53))) (fp.leq main_~x~0 .cse1) (fp.geq main_~x~0 (_ +zero 11 53)))))) is different from false [2018-10-26 19:40:54,640 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) RNE 10.0))) (and (fp.leq v_prenex_1 .cse0) (fp.geq v_prenex_1 (_ +zero 11 53)) (not (fp.leq (fp.div RNE v_prenex_1 .cse0) ((_ to_fp 11 53) RNE 4.0)))))) (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) RNE 10.0))) (and (not (fp.geq (fp.div RNE main_~x~0 .cse1) (_ +zero 11 53))) (fp.leq main_~x~0 .cse1) (fp.geq main_~x~0 (_ +zero 11 53)))))) is different from true [2018-10-26 19:40:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:40:54,645 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:40:54,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:40:54,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 19:40:54,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:40:54,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:40:54,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=5, Unknown=6, NotChecked=20, Total=42 [2018-10-26 19:40:54,682 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2018-10-26 19:40:58,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:40:58,766 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2018-10-26 19:40:58,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:40:58,816 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2018-10-26 19:40:58,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:40:58,825 INFO L225 Difference]: With dead ends: 33 [2018-10-26 19:40:58,825 INFO L226 Difference]: Without dead ends: 11 [2018-10-26 19:40:58,829 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=11, Invalid=5, Unknown=6, NotChecked=20, Total=42 [2018-10-26 19:40:58,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-10-26 19:40:58,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-10-26 19:40:58,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-10-26 19:40:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2018-10-26 19:40:58,859 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 10 [2018-10-26 19:40:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:40:58,859 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2018-10-26 19:40:58,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:40:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2018-10-26 19:40:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:40:58,860 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:40:58,860 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:40:58,861 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:40:58,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:40:58,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1734924095, now seen corresponding path program 1 times [2018-10-26 19:40:58,863 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:40:58,863 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/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 [2018-10-26 19:40:58,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:40:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:40:59,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:41:12,230 WARN L179 SmtUtils]: Spent 10.92 s on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 19:41:14,276 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul RNE main_~x~0 main_~x~0))) (and (= (fp.add RNE .cse0 ((_ to_fp 11 53) RNE 2.0)) c_main_~y~0) (fp.leq main_~x~0 ((_ to_fp 11 53) RNE 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub RNE .cse0 main_~x~0) ((_ to_fp 11 53) RNE (_ bv0 32))))))) is different from false [2018-10-26 19:41:16,317 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul RNE main_~x~0 main_~x~0))) (and (= (fp.add RNE .cse0 ((_ to_fp 11 53) RNE 2.0)) c_main_~y~0) (fp.leq main_~x~0 ((_ to_fp 11 53) RNE 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub RNE .cse0 main_~x~0) ((_ to_fp 11 53) RNE (_ bv0 32))))))) is different from true [2018-10-26 19:41:30,375 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c___VERIFIER_assert_#in~cond| (_ bv0 32)))) (or (= (bvadd |c___VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32)) (and (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul RNE main_~x~0 main_~x~0))) (and (fp.leq main_~x~0 ((_ to_fp 11 53) RNE 10.0)) (not (fp.geq (fp.add RNE .cse0 ((_ to_fp 11 53) RNE 2.0)) (_ +zero 11 53))) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub RNE .cse0 main_~x~0) ((_ to_fp 11 53) RNE (_ bv0 32))))))) .cse1) (and .cse1 (exists ((v_prenex_5 (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul RNE v_prenex_5 v_prenex_5))) (and (not (fp.geq (fp.sub RNE .cse2 v_prenex_5) ((_ to_fp 11 53) RNE (_ bv0 32)))) (not (fp.leq (fp.add RNE .cse2 ((_ to_fp 11 53) RNE 2.0)) ((_ to_fp 11 53) RNE 4.0))) (fp.leq v_prenex_5 ((_ to_fp 11 53) RNE 10.0)) (fp.geq v_prenex_5 (_ +zero 11 53)))))))) is different from false [2018-10-26 19:41:40,671 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 (= (_ bv0 32) c___VERIFIER_assert_~cond))) (or (and .cse0 (exists ((v_prenex_5 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul RNE v_prenex_5 v_prenex_5))) (and (not (fp.geq (fp.sub RNE .cse1 v_prenex_5) ((_ to_fp 11 53) RNE (_ bv0 32)))) (not (fp.leq (fp.add RNE .cse1 ((_ to_fp 11 53) RNE 2.0)) ((_ to_fp 11 53) RNE 4.0))) (fp.leq v_prenex_5 ((_ to_fp 11 53) RNE 10.0)) (fp.geq v_prenex_5 (_ +zero 11 53)))))) (and .cse0 (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul RNE main_~x~0 main_~x~0))) (and (fp.leq main_~x~0 ((_ to_fp 11 53) RNE 10.0)) (not (fp.geq (fp.add RNE .cse2 ((_ to_fp 11 53) RNE 2.0)) (_ +zero 11 53))) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub RNE .cse2 main_~x~0) ((_ to_fp 11 53) RNE (_ bv0 32)))))))) (= (bvadd c___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)))) is different from false [2018-10-26 19:41:50,978 WARN L832 $PredicateComparison]: unable to prove that (or (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul RNE main_~x~0 main_~x~0))) (and (fp.leq main_~x~0 ((_ to_fp 11 53) RNE 10.0)) (not (fp.geq (fp.add RNE .cse0 ((_ to_fp 11 53) RNE 2.0)) (_ +zero 11 53))) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub RNE .cse0 main_~x~0) ((_ to_fp 11 53) RNE (_ bv0 32))))))) (exists ((v_prenex_5 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul RNE v_prenex_5 v_prenex_5))) (and (not (fp.geq (fp.sub RNE .cse1 v_prenex_5) ((_ to_fp 11 53) RNE (_ bv0 32)))) (not (fp.leq (fp.add RNE .cse1 ((_ to_fp 11 53) RNE 2.0)) ((_ to_fp 11 53) RNE 4.0))) (fp.leq v_prenex_5 ((_ to_fp 11 53) RNE 10.0)) (fp.geq v_prenex_5 (_ +zero 11 53)))))) is different from false [2018-10-26 19:41:53,017 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul RNE main_~x~0 main_~x~0))) (and (fp.leq main_~x~0 ((_ to_fp 11 53) RNE 10.0)) (not (fp.geq (fp.add RNE .cse0 ((_ to_fp 11 53) RNE 2.0)) (_ +zero 11 53))) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub RNE .cse0 main_~x~0) ((_ to_fp 11 53) RNE (_ bv0 32))))))) (exists ((v_prenex_5 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul RNE v_prenex_5 v_prenex_5))) (and (not (fp.geq (fp.sub RNE .cse1 v_prenex_5) ((_ to_fp 11 53) RNE (_ bv0 32)))) (not (fp.leq (fp.add RNE .cse1 ((_ to_fp 11 53) RNE 2.0)) ((_ to_fp 11 53) RNE 4.0))) (fp.leq v_prenex_5 ((_ to_fp 11 53) RNE 10.0)) (fp.geq v_prenex_5 (_ +zero 11 53)))))) is different from true [2018-10-26 19:41:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:41:53,019 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:41:53,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:41:53,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 19:41:53,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:41:53,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:41:53,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=5, Unknown=6, NotChecked=20, Total=42 [2018-10-26 19:41:53,038 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand 7 states. [2018-10-26 19:41:55,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:41:55,032 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2018-10-26 19:41:55,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:41:55,080 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2018-10-26 19:41:55,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:41:55,081 INFO L225 Difference]: With dead ends: 11 [2018-10-26 19:41:55,081 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:41:55,082 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.3s TimeCoverageRelationStatistics Valid=11, Invalid=5, Unknown=6, NotChecked=20, Total=42 [2018-10-26 19:41:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:41:55,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:41:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:41:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:41:55,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-10-26 19:41:55,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:41:55,083 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:41:55,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:41:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:41:55,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:41:55,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:42:20,631 WARN L179 SmtUtils]: Spent 25.50 s on a formula simplification that was a NOOP. DAG size: 26 [2018-10-26 19:42:22,068 WARN L179 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 81 DAG size of output: 1 [2018-10-26 19:42:22,071 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-26 19:42:22,071 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:42:22,071 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:42:22,071 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 19:42:22,072 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:42:22,072 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:42:22,072 INFO L421 ceAbstractionStarter]: At program point L19-2(lines 19 20) the Hoare annotation is: (or (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) RNE 10.0))) (and (fp.leq main_~x~0 .cse0) (fp.geq main_~x~0 (_ +zero 11 53)) (= (fp.div RNE main_~x~0 .cse0) main_~y~0)))) (and (fp.leq main_~x~0 ((_ to_fp 11 53) RNE 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)) (exists ((main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul RNE main_~x~0 main_~x~0))) (and (= (fp.add RNE .cse1 ((_ to_fp 11 53) RNE 2.0)) main_~y~0) (fp.leq main_~x~0 ((_ to_fp 11 53) RNE 10.0)) (fp.geq main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub RNE .cse1 main_~x~0) ((_ to_fp 11 53) RNE (_ bv0 32))))))))) [2018-10-26 19:42:22,073 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 11 24) the Hoare annotation is: true [2018-10-26 19:42:22,073 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 11 24) no Hoare annotation was computed. [2018-10-26 19:42:22,073 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 11 24) no Hoare annotation was computed. [2018-10-26 19:42:22,077 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-26 19:42:22,077 INFO L425 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2018-10-26 19:42:22,077 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 9) the Hoare annotation is: true [2018-10-26 19:42:22,078 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 9) no Hoare annotation was computed. [2018-10-26 19:42:22,078 INFO L425 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-10-26 19:42:22,078 INFO L425 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2018-10-26 19:42:22,078 INFO L425 ceAbstractionStarter]: For program point L9-3(line 9) no Hoare annotation was computed. [2018-10-26 19:42:22,079 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-10-26 19:42:22,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:42:22 BoogieIcfgContainer [2018-10-26 19:42:22,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:42:22,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:42:22,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:42:22,088 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:42:22,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:40:07" (3/4) ... [2018-10-26 19:42:22,093 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:42:22,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 19:42:22,102 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 19:42:22,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 19:42:22,107 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 19:42:22,107 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 19:42:22,107 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 19:42:22,135 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e09a1648-667f-4975-befe-873302c726b1/bin-2019/utaipan/witness.graphml [2018-10-26 19:42:22,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:42:22,136 INFO L168 Benchmark]: Toolchain (without parser) took 138103.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -127.9 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:42:22,136 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:42:22,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.89 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:42:22,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.12 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:42:22,138 INFO L168 Benchmark]: Boogie Preprocessor took 31.05 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:42:22,138 INFO L168 Benchmark]: RCFGBuilder took 3531.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:42:22,141 INFO L168 Benchmark]: TraceAbstraction took 134246.33 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: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:42:22,141 INFO L168 Benchmark]: Witness Printer took 47.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:42:22,144 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 219.89 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.12 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.05 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3531.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 134246.33 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: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. * Witness Printer took 47.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 134.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 6.2s AutomataDifference, 0.0s DeadEndRemovalTime, 26.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 3 SDslu, 55 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 7 PreInvPairs, 8 NumberOfFragments, 66 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 284 FormulaSimplificationTreeSizeReductionInter, 26.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 99.8s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 8 QuantifiedInterpolants, 4266 SizeOfPredicates, 6 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...